*****TBD*****

This subclass is indented under the class definition. Structure comprising a freely rotatable connection and an alternatively engageable rigid connection between parts of an assembly joining a hub to a shaft wherein the rigid connection may be engaged to lock the hub and shaft against relative rotation or disengaged to permit the hub to free-wheel with respect to the shaft.

SEE OR SEARCH CLASS:

180,	Motor Vehicles, subclasses 42 , 49, 75, and 78 for floating axles.
192,	Clutches and Power-Stop Control, appropriate subclasses for similar subject matter which may be engaged or disengaged while the hub is rotating.

2	INCLUDING FRANGIBLE COMPONENT

	This subclass is indented under the class definition. Structure wherein the members or the means connecting the members includes a distinct section or means having a characteristic by virtue of which the members or the means will fail ahead of any other part of the structure.

3	SELECTIVELY ASSEMBLED, E.G., CONVERTIBLE, ETC.

	This subclass is indented under the class definition. Structure comprising a plurality of components wherein (1) the components may be reassembled in a different relationship to provide a joint of a different type, or to change the relationship of the members, or (2) the components can selectively accommodate one of a plurality of dissimilar members.

4	. Selective orientation

	This subclass is indented under subclass 3. Structure wherein the components can be reassembled to change the orientation of the members.

5	INFLATABLE CONNECTOR

	This subclass is indented under the class definition. Structure wherein the connector comprises a closed chamber having at least one flexible wall and means to introduce fluid into said chamber to expand said wall into securing relationship with a member.

6	WITH OPENING FOR ACCESS TO CONNECTOR OR OPERATOR

This subclass is indented under the class definition. Structure comprising an opening to a recess in the joint assembly for permitting access to a connecting means or an operator therefor located within said recess.

SEE OR SEARCH THIS CLASS, SUBCLASS:

376+,

for an opening which merely allows for the insertion of a retainer and is essential to the joint.

7	. To threaded component

	This subclass is indented under subclass 6. Structure wherein the opening provides access to a threaded component of the joint, e.g., to a bolt or a threaded part of a member.

8	.. Transverse to thread axis

	This subclass is indented under subclass 7. Structure wherein the opening is transverse to the axis of the threads of the threaded component.

9	. To biased component

	This subclass is indented under subclass 6. Structure wherein the opening provides access to a joint component which is biased, either by inherent resiliency or by a separate means.

10	CLOSURE OR PLUG SPACED FROM JOINT

This subclass is indented under the class definition. Structure comprising an opening with a closure or having one or more separate parts which permit access to the interior thereof without disassembly of the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6+,	for an opening which provides access to a connector or operator therefor.

11	WITH ADJUNCTIVE PROTECTOR, BROKEN PARTS RETAINER, REPAIR, ASSEMBLY OR DISASSEMBLY FEATURE

This subclass is indented under the class definition. Structure comprising a feature for facilitating the assembly or disassembly of the joint, for preventing improper assembly, for protecting the joint, or joint parts prior to or during assembly, for facilitating repair of the joint or for preventing broken parts of a damaged joint from scattering, wherein the function of the feature is dormant in the assembled joint.

(1) Note. The structure of many joints, for example, screw and cam joints inherently serve to draw the members into position. In order to be classified as an assembly or disassembly feature in this subclass, the feature must involve more than the structure essential to the assembling, or disassembling of the members.

12	. Holding means or protector functioning only during transportation, assembly or disassembly

This subclass is indented under subclass 11. Structure including a means for (a) temporarily supporting or holding in predetermined relation all or a portion of the joint components during assembly or disassembly, or (b) immobilizing a movable part to permit transportation, safe storage, assembly or disassembly, or (c) means protecting a joint component during assembly, disassembly, or transportation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17+,	for an integral or attached handle.
19+,	for a joint combined with a tool or having means for engaging or accommodating a tool.

13	. Position or guide means

	This subclass is indented under subclass 11. Structure comprising means for guiding the members to be joined into proper position or for guiding one or more joint components into proper relationship for completing the joint.

14	.. Related to joint component

	This subclass is indented under subclass 13. Structure wherein the means guides component, e.g., connector, gasket, dowel, etc., into proper relation for completing the joint.

15	. Utilizing fluid pressure

	This subclass is indented under subclass 11. Structure wherein the feature utilizes fluid pressure in performing its function.

16	. Back-off means, e.g., separator, etc.

This subclass is indented under subclass 11. Structure including means for applying a force directly to a joint component to disengage it from operative engagement with the rest of the assembly.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321+,

for means to disengage a latch.

17	. Handle or handwheel

This subclass is indented under subclass 11. Structure comprising a portion modified for grasping with the hand.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321+,

for a handle to operate a latch.

18	.. Actuates retainer or blocker

This subclass is indented under subclass 17. Structure wherein the grasping means operate a retaining element or a means blocking a retaining element from disengagement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321+,

for a manipulable latch.

19	. Tool-engaging or accommodating means or with tool

This subclass is indented under subclass 11. Structure comprising (a) distinct means for coacting with or facilitating the use of a tool to assemble or disassemble the joint, or (b) a tool for assembling or disassembling the joint which tool is distinct from and dormant in the assembled joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

274+,

for a deforming means used in effecting a joint wherein said means remains as a part of the joint or wherein said means or its equivalent is necessary to fabricate the particular joint.

20	.. For latch or retainer

	This subclass is indented under subclass 19. Structure wherein the tool engaging means is associated with a latch or retainer.

21	. Releasably captive nut or bolt

	This subclass is indented under subclass 11. Structure wherein a nut or bolt is separably secured in position on one of the members by means which holds it while it is being engaged with a complementary bolt or nut.

22	. Means to lock bolt or nut when other is turned

	This subclass is indented under subclass 11. Structure including a bolt and a nut and means to prevent turning of either the bolt or the nut while the other is being turned.

23	WITH ADJUNCTIVE SHIELD

This subclass is indented under the class definition. Structure comprising means in addition to the joint for protecting the joint or one of the connected members at the locus thereof, or for preventing contact between the joint or members and an extraneous structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286,	for a joint comprising a first connection bridged by a diverse connector wherein the connector may inherently act as a protector for the first connection.

24	STRUCTURALLY INSTALLED IN DIVERSE ART DEVICE

	This subclass is indented under the class definition. Structure comprising subject matter of this class forming a part of an assembly which also includes discrete subject matter of another class, only so much of the assembly being included as is necessary to associate the subject matter of the other class with that of this class.

25	. Head or base

	This subclass is indented under subclass 24. Structure wherein one of the members is of polyhedral configuration, which configuration is utilized in construction of the joint.

26	COUPLING SUPPORTED BY INDEPENDENT BEARING

This subclass is indented under the class definition. Structure comprising a separate coupling connecting two members, said coupling being journaled in a bearing which is distinct from the connection between the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52+,	for articulated connections in general.

27	WITH INDICATOR OR INSPECTION MEANS

	This subclass is indented under the class definition. Structure comprising means for showing the condition of the joint, e.g., alignment, etc., the condition or position of a component thereof, or means facilitating inspection of the joint or a component thereof.

28	UTILIZING THERMAL CHARACTERISTIC, E.G., EXPANSION OR CONTRACTION, ETC.

This subclass is indented under the class definition. Structure so constructed as to utilize a particular temperature response of a joint component in the forming of the joint or in the preservation of the joint under various temperature conditions.

(1) Note. By particular temperature response is meant a characteristic which is peculiar to the material or configuration of the joint component under consideration and which is not common to material or structures in general. Thus, mere expansion or contraction of a component under varying temperature conditions is not considered a particular temperature response, but a component which expands or contracts, preferentially in a given direction or differentially under varying conditions, or the combination of two components having differential coefficients of expansion, fall within the scope of this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

270+,	for a joint formed by the solidification of a fusible material.
273,	for members connected by a shrunk fit.

SEE OR SEARCH CLASS:

313,

Electric Lamp and Discharge Devices, subclasses 317+ for electric lamp and electric space discharge devices provided with lead-in wires sealed into the envelope of the lamp or discharge device and subclasses 334+ for the structure of nonmetallic electrodes or shields which are joined to a lead-wire or connector.

29	. Interposed material of intermediate coefficient of expansion

	This subclass is indented under subclass 28. Structure wherein a component is interposed between and cooperates with members having diverse coefficients of expansion, said component having a coefficient of expansion intermediate those of the coacting members.

30	. Members having different coefficients of expansion

This subclass is indented under subclass 28. Structure wherein two members have different coefficients of expansion.

SEE OR SEARCH CLASS:

428,	Stock Material or Miscellaneous Articles, subclass 630 for composite metallic stock having an additional glass component.

31	WITH FLUID PRESSURE RESPONSIVE COMPONENT

This subclass is indented under the class definition. Structure including either (a) a retaining means actuated by fluid pressure responsive means or (b) means forming a distinct fluid pressure chamber to balance fluid pressure forces at plural points in the joint assembly.

SEE OR SEARCH CLASS:

277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclass 926 for a seal having means to create a fluid pressure equilibrium at a joint or juncture.

32	WITH AMBIENT CONDITION RESPONSIVE CONTROL MEANS

This subclass is indented under the class definition. Structure comprising means for sensing some condition of the environment of the connection and exerting a controlling operation on the connection in response thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28+,	for a connection utilizing a thermal characteristic.
31,	for a connection comprising a fluid pressure responsive component.

33	WITH INDEPENDENT HANDLE OR OPERATOR

	This subclass is indented under the class definition. Structure including means for moving one member relative to another, which means is independent of the connection between the members.

34	WITH DISTINCT FLUID OR ARTICLE HANDLING OR DIRECTING FEATURE

This subclass is indented under the class definition. Structure comprising means for handling or directing fluid or an article such as cable, etc., wherein the means and the fluid are not essential to the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40,	for a joint provided with fluid, e.g., lubricant, wherein there is no particular feature for retaining or conveying the fluid.
265+,	for a molded joint wherein the fluid is essential to the joint.

SEE OR SEARCH CLASS:

384,	Bearings, subclass 322 for bearings modified for lubrication and see search notes.

35	. External reservoir

	This subclass is indented under subclass 34. Structure comprising a fluid reservoir or container external of the joint assembly.

36	. Pressure fitting

	This subclass is indented under subclass 34. Structure comprising a fitting communicating between the interior and exterior of the joint, said fitting including pressure responsive means to permit fluid to flow into, but not out of the joint.

37	. Including port or reservoir communicating with joint

	This subclass is indented under subclass 34. Structure including a port or reservoir for conveying fluid to the joint.

38	.. Articulated member

	This subclass is indented under subclass 37. Structure comprising members which are connected for relative movement.

39	... At joint interface

	This subclass is indented under subclass 38. Structure wherein the port communicates directly with the joint interface.

40	NON-ADHERING FLUENT MATERIAL AT JOINT

This subclass is indented under the class definition. Structure comprising a fluent material within the confines of the joint which material does not adhere securely to the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34+,	for a joint provided with means for conveying fluid to the joint or a particular feature for storing or holding the fluid.

41	WITH STRAIN-LIMITING MEANS

	This subclass is indented under the class definition. Structure comprising means in addition to the joint for preventing a sharp bend or kink in one of the members when subjected to a stress adjacent the joint by distributing the resulting curvature over a wide area thereby reducing the concentration of stress at any one point.

	This subclass is indented under the class definition. Structure combined with auxiliary means other than connecting means and serving no connecting function, said auxiliary means (a) preforming its function independently of the joint, or (b) serving to perfect the connecting means for its intended purpose.

43	ROTARILY CONNECTED, DIFFERENTIALLY TRANSLATABLE MEMBERS, E.G., TURN-BUCKLE, ETC.

This subclass is indented under the class definition. Structure comprising a connector having a rotatable part adapted to move two connected members simultaneously in opposite directions, or in the same direction at different speeds.

SEE OR SEARCH CLASS:

29,	Metal Working, subclass 896.7 for a process of making a turnbuckle or of securing a tension member to a turnbuckle.
254,	Implements or Apparatus for Applying Pushing or Pulling Force, subclasses 204 and 231+ for similar structure in a tensioning apparatus which is removed after the tensioning operation is completed.
301,	Land Vehicles: Wheels and Axles, subclasses 92+ for similar structure for adjusting the length of a nonresilient tire.

44	. Having tool-engaging means or operating handle

	This subclass is indented under subclass 43. Structure wherein the connector is provided with a handle or a particular means for engagement with a tool.

45	. Having operating mechanism

	This subclass is indented under subclass 43. Structure wherein the rotatable part of the connector is rotated by an operating mechanism.

46	. Having locking means

	This subclass is indented under subclass 43. Structure wherein the connector is provided with a means for locking it in an adjusted position.

47	. Differential pitch, similar hand

	This subclass is indented under subclass 43. Structure wherein the rotatable part has two sets of threads for engagement with respective parts, the threads of each set being of the same hand but of different pitch.

48	. Externally threaded actuator

	This subclass is indented under subclass 43. Structure wherein the rotatable part has at least one set of external threads.

49	LATERALLY RELATED MEMBERS CONNECTED BY LATCH MEANS, E.G., SCAFFOLD CONNECTORS

	This subclass is indented under the class definition. Structure wherein two side-by-side members are secured together by means of a latch.

50	FLEXIBLE DIAPHRAGM OR BELLOWS

This subclass is indented under the class definition. Structure comprising a flexible diaphragm or bellows secured to each of the members.

SEE OR SEARCH CLASS:

74,	Machine Element or Mechanism, subclasses 18+ for a flexible diaphragm or bellows including a mechanical movement or mechanism.
277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclasses 634+ for a static contact seal for other than an internal combustion engine, or a pipe, conduit, or cable that is a flexible sleeve, boot or diaphragm.

51	. With additional connection or packing

	This subclass is indented under subclass 50. Structure comprising a connecting means or packing between the two members in addition to the diaphragm or bellows.

52	ARTICULATED MEMBERS

This subclass is indented under the class definition. Structure comprising a connection between the members which comprises a particular feature which provides for relative movement of the members about a bearing surface.

(1) Note. In order to be classified in this subclass the connection must comprise a feature which is peculiar to articulation. A feature of general utility which will merely permit movement under certain conditions will not be classified here but will be classified below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38+,	for an articulated member associated with a fluid port or reservoir communicating with the joint.
220+,	for two members connected for relative movement through a flexible connection.

SEE OR SEARCH CLASS:

33,	Geometrical Instruments, subclasses 466 and 467 for various articulated connections between parts of a straightedge.
81,	Tools, subclasses 300+ for pliers having pivoted handles, particularly subclass 416 for pivotal joint details.
172,	Earth Working, subclasses 372+ for an adjustable connection between an earth working means and a handle therefor.
248,	Supports, subclasses 70 , 122.1, 256, 257+, 265, 269+, 274.1+, and 475+ for an adjustable bracket; subclasses 106, 157+, 161+, 177.1+, 188.2+, and 371+ for an adjustable stand; subclasses 59, 323+, and 495+ for an adjustable suspended support; subclasses 354+ for an adjustable prop; subclasses 448+ for an adjustable easel; subclasses 514+ for an angularly adjustable staff support; and subclasses 646+ for an adjustable machinery support.
280,	Land Vehicles, subclasses 400+ for an articulated connection between two vehicles.
464,	Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, appropriate subclasses for a flexible or articulated coupling between rotary torque transmitting members.

53	. Plural distinct articulation axes

This subclass is indented under subclass 52. Structure wherein two members are connected for movement about two or more axes by plural joints or by a single joint having plural distinct bearing means.

SEE OR SEARCH CLASS:

248,	Supports, subclasses 276.1+ for an adjustable bracket comprising plural articulations.

54	.. Three or more parallel axes

	This subclass is indented under subclass 53. Structure comprising at least four members united by three distinct connections and movable about at least three parallel axes.

55	.. Single adjustment for plural axes

	This subclass is indented under subclass 53. Structure comprising means for performing a single adjustment on plural articulation axes, e.g., tension or take-up, locking means, etc.

56	.. Plural ball and socket

	This subclass is indented under subclass 53. Structure comprising plural distinct ball and socket joints.

	This subclass is indented under subclass 53. Structure including plural, nonparallel, rotary axes which together enable a member to be moved in more than one plane relative to another member.

58	... Non-coplanar axes

	This subclass is indented under subclass 57. Structure wherein at least two of the axes lie in different planes.

59	.. Angular and linear

This subclass is indented under subclass 53. Structure comprising a rotary axis and a translatory or sliding axis.

SEE OR SEARCH CLASS:

33,	Geometrical Instruments, subclasses 430 , 454, 464-467, 471, 473, 480+, and 485 for a sliding pivotal adjustment between parts of a straightedge.

60	... Screw and swivel

	This subclass is indented under subclass 59. Structure comprising a threaded connection and an independent swivel connection.

61	... Pivot stud slidable in elongated opening

	This subclass is indented under subclass 59. Structure comprising a pivot stud which extends through an elongated aperture in both pivotal and slidable relation.

62	.. Parallel rotary

	This subclass is indented under subclass 53. Structure comprising serially arranged, parallel, rotary axes.

63	.. Plural translating connections

	This subclass is indented under subclass 53. Structure comprising plural slidable connections.

	This subclass is indented under subclass 52. Structure comprising three or more independent joints, one of which is nonserially related to the other two, wherein at least one joint provides for relative motion between the respective members.

65	. Member pivoted at rigid corner

	This subclass is indented under subclass 52. Structure wherein a member is pivoted at the junction of two distinct intersecting surfaces.

66	. Including static joint

	This subclass is indented under subclass 52. Structure comprising an articulate joint and a distinct and independent static joint.

67	.. Trunnion assembly to side of rod

	This subclass is indented under subclass 66. Structure comprising an assembly attached intermediate the ends of a rod, which assembly comprises at least one gudgeon pin or bearing for cooperating with a gudgeon pin on another structure.

68	.. One member is plate or side

	This subclass is indented under subclass 66. Structure wherein one of the members is a plate or the side of a rod.

69	... Secant, i.e., rod extending through plate

	This subclass is indented under subclass 68. Structure wherein one member is a rod which extends through an opening in the plate.

70	... Plate or side forms bearing surface

	This subclass is indented under subclass 68. Structure wherein the surface of the plate constitutes one of the relatively movable bearing surfaces.

71	... Bearing component clamped to plate or side, e.g., bolted, etc.

This subclass is indented under subclass 68. Structure wherein a component of the articulate joint is secured to the plate by a clamping fastener.

(1) Note. Included are fasteners such as bolts, screws and rivets.

72	.. Articulate joint intermediate end joints

	This subclass is indented under subclass 66. Structure wherein the articulate joint is serially disposed intermediate two static joints.

73	... Variable angle

	This subclass is indented under subclass 72. Structure wherein the articulate joint is rotatable, whereby the angle between the articulated members can be varied.

74	.... Universal

	This subclass is indented under subclass 73. Structure wherein the articulate joint provides for rotary motion in more than one plane.

75	.. Angled or offset members

	This subclass is indented under subclass 66. Structure wherein the articulate and static joints are so related that two of the members are offset from each other or extend at an angle to each other regardless of the disposition of the articulate joint.

76	.. Articulate joint is ball and socket

	This subclass is indented under subclass 66. Structure wherein the articulate joint comprises a ball and socket joint which is capable of movement on more than one axis.

77	... With threaded joint

	This subclass is indented under subclass 76. Structure wherein the static joint comprises a threaded connection.

78	.. Articulate joint is a swivel

	This subclass is indented under subclass 66. Structure wherein the articulate joint comprises two members which are free to rotate indefinitely.

79	.. Articulate joint comprises pivoted clevis or channel bar

	This subclass is indented under subclass 66. Structure wherein the articulate joint comprises arms or sides of a U-shaped or channel-shaped member which are traversed by a pivot pin and pivoted to another member thereby.

80	.. Articulate joint is a slide

	This subclass is indented under subclass 66. Structure wherein the articulate joint provides for translatory movement of the connected members.

81	. Including operator

This subclass is indented under subclass 52. Structure comprising an operator or handle for varying the relative position of the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33,	for an assembly feature comprising an operator or handle for moving one member relative to another which is independent of the connection.

82	. Arcuate shank moves in complementary guide

	This subclass is indented under subclass 52. Structure wherein one of the members is elongated and arcuate and moves in a guide which engages opposite sides of the member.

83	. Lockable at fixed position

This subclass is indented under subclass 52. Structure including means to lock the members in one or more positions.

SEE OR SEARCH CLASS:

81,	Tools, subclasses 300+ for pivoted handle pliers, particularly subclasses 318+ for pliers having means to immobilize the jaws.

84	.. At selected angle

This subclass is indented under subclass 83. Structure wherein the members are lockable in an angular relationship.

SEE OR SEARCH CLASS:

248,	Supports, subclasses 514+ for an angularly adjustable staff support; and subclasses 664+ for an angularly adjustable machinery support.

85	... Movable brace between members

	This subclass is indented under subclass 84. Structure provided with a movable brace associated with both members to maintain them in a selected position.

86	... Members rotatable about oblique axes

	This subclass is indented under subclass 84. Structure comprising bearing components having contacting surfaces oblique to the axes of the members, whereby when the members are rotated the angularity of the members will change.

87	... Clamping screw traverses sliding complementary arcuate bearing surfaces

This subclass is indented under subclass 84. Structure comprising arcuate bearing surfaces which interfit with each other and a clamping screw which traverses the bearing interface to clamp the bearing surfaces together and lock the bearing components in a fixed position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61,	for a screw traversing an elongated aperture in one component to provide distinct pivotal and translatory axes.

88	... Securing yoke or ring spaced radially from locking means

	This subclass is indented under subclass 84. Structure comprising a component which partially or completely encompasses the members to retain them against separation, said component being spaced radially of the articulation axis.

	This subclass is indented under subclass 88. Structure wherein the component is provided with a shank which is anchored to the joint assembly by a single threaded retainer which coacts with complementary threads on said shank.

90	... Ball and socket

	This subclass is indented under subclass 84. Structure comprising a ball and socket connection between the members.

91	... Including pivot stud

	This subclass is indented under subclass 84. Structure including a pin or stud about which a member is pivoted.

92	.... Including radially spaced detent or latch component

	This subclass is indented under subclass 91. Structure provided with a detent or latch means for locking the members in position, said means being located at a point radially spaced from the pivot point.

93	..... Engaging notch or recess in outer periphery of component

	This subclass is indented under subclass 92. Structure wherein the detent or latch on one member enters a notch or opening in the periphery of a cooperating component on the other member.

94	..... Side of rod engages recess in radial face

	This subclass is indented under subclass 92. Structure wherein the side of a rod enters a recess formed in a radial face of a component associated with the other member.

95	..... Pivoted detent

	This subclass is indented under subclass 92. Structure wherein the detent or latch is pivotally mounted.

96	..... Engaging recess in radial face

	This subclass is indented under subclass 92. Structure wherein the detent or latch is adapted to engage a complementary recess in the radial face of another component.

97	.... Including radial interengaging tongue and slot or serrations

	This subclass is indented under subclass 91. Structure provided with one or more interengaging projections and recesses or slots to maintain the members in position.

98	.... Radially spaced arcuate slot engages fastener

	This subclass is indented under subclass 91. Structure provided with an arcuate slot which is radially spaced from the stud and through which a bolt or other fastener passes to secure the joint in adjusted position.

99	.... Locked by plural motions of one member

	This subclass is indented under subclass 91. Structure wherein the locking or unlocking action is effected by moving one of the members through at least two motions relative to the other.

100	.... Including bridging keeper

	This subclass is indented under subclass 91. Structure wherein the members are secured by a device which bridges the pivot and engages a component on each side thereof.

101	.... Locked by nesting parts

	This subclass is indented under subclass 91. Structure wherein the relative position of two pivoted members is fixed by the interengagement of nesting parts associated with respective members.

102	.... Members locked in axial alignment

	This subclass is indented under subclass 91. Structure wherein the locking means is adapted to secure the members in axial alignment.

103	... Plural distinct positions

	This subclass is indented under subclass 84. Structure wherein the locking means is adapted for selectively holding the members in a plurality of distinct positions.

104	.. Plural distinct positions

	This subclass is indented under subclass 83. Structure wherein one of the members is adapted for movement to a plurality of positions or orientations and the locking means secures said member in such positions or orientations.

105	... Unidirectional movement, e.g., ratchet, etc.

	This subclass is indented under subclass 104. Structure wherein the members may move freely in one direction, but are inhibited from movement in the opposite direction.

106	... At least one discrete position

	This subclass is indented under subclass 104. Structure wherein the lock means secures the members in at least one predetermined position.

107	.... Step-by-step adjustment

	This subclass is indented under subclass 106. Structure wherein one member is provided with a plurality of securing elements which permit adjustment of the members by a series of discrete steps.

108	..... Retainer extends through aligned recesses

	This subclass is indented under subclass 107. Structure comprising recesses in the respective members and a retainer extending between selected recesses to hold the members in a selected position.

109.1

.. Telescoping members:

	This subclass is indented under subclass 83. Subject matter wherein one member extends into the other member and is longitudinally movable therein.

109.2

... Having detent:

	This subclass is indented under subclass 109.1. Subject matter including a locking and releasing member (e.g., pawl, etc.).

109.3

.... Spring biased:

	This subclass is indented under subclass 109.2. Subject matter wherein the telescoping members are held in place by a releasable resilient member.

109.4

.... Threaded:

	This subclass is indented under subclass 109.2. Subject matter wherein two or more members include mating helical windings by which said members are connected.

109.5

.... Cam or wedge:

	This subclass is indented under subclass 109.2. Subject matter including an eccentric or tapered means intended to secure or lock the members in place.

109.6

.... Having transverse pin:

	This subclass is indented under subclass 109.2. Subject matter including a cross-wise oriented short, stiff fastener.

109.7

... Remotely actuated:

	This subclass is indented under subclass 109.1. Subject matter wherein the motion of the members is controlled at a distance.

109.8

... Self-locking:

	This subclass is indented under subclass 109.1. Subject matter wherein a securing means engages after a certain length of displacement is reached by one of the members.

110	.. Clamped members

	This subclass is indented under subclass 83. Structure wherein the members are secured by a clamping means.

111	. Rotatable members resiliently biased to one position

	This subclass is indented under subclass 52. Structure comprising resilient means for biasing a pair of rotatably engaged members toward one position.

112	. Including limit means

	This subclass is indented under subclass 52. Structure comprising means for limiting the relative motion of the members in at least one direction.

113	.. For pivotal motion

	This subclass is indented under subclass 112. Structure wherein the members are pivotally connected and the means limits the angular motion about the pivot.

114	... Ball and socket with restricted movement about one axis

	This subclass is indented under subclass 113. Structure comprising a ball and socket joint having means which limits angular motion along one axis to a greater degree than along another axis at ninety degrees thereto.

115	.... Ball stud passes through confining opening

	This subclass is indented under subclass 114. Structure wherein a rod or stud attached to the ball passes through a slot associated with the socket.

116	... Pin and slot

	Structure under 113 wherein the means are the ends of a slot which coact with a pin or equivalent movable within the slot to limit angular movement.

117	... Opposed stops on one member

	This subclass is indented under subclass 13. Structure comprising two angularly spaced stops on one member which limit the angular motion about the pivot in two directions.

118	. Threaded interface

This subclass is indented under subclass 52. Structure wherein the interface between the two articulated members comprises mutually threaded components.

SEE OR SEARCH THIS CLASS, SUBCLASS:

343,	for a threaded connection having no structural feature peculiar to articulation.

This subclass is indented under subclass 52. Structure wherein two members are connected for angular motion in a plane transverse to the axis of at least one member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65,	for a member pivoted at a rigid corner.
91+,	for a connection comprising a pivot stud and means to lock the members at a selected angle.
113+,	for a pivotal connection including limit means.

SEE OR SEARCH CLASS:

33,	Geometrical Instruments, subclasses 495 through 499for a pivot between parts of a straightedge.
114,	Ships, subclass 98 for a pivotal connection between gaffs, booms, etc., and a mast or other support.
116,	Signals and Indicators, subclass 51 for a motion or direction indicator pivotally mounted on a vehicle.
135,	Tent, Canopy, Umbrella, or Cane, subclass 62 for a pivotal connection between the tip and the shaft of a cane.
191,	Electricity: Transmission to Vehicles, subclasses 60.2 and 60.3 for a pivot between a trolley head and its support.
217,	Wooden Receptacles, subclasses 14 through 16and 46-48 for a pivotal connection between components of a wooden receptacle.
220,	Receptacles, subclasses 30+ for a pivotal connection between a closure and a receptacle.
335,	Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, subclass 276 for a pivot between an armature and its mounting means and see the notes thereunder.
384,	Bearings, subclasses 192+ pivot bearings where there is sliding or rolling contact between separate elements and see search notes.
415,	Rotary Kinetic Fluid Motors or Pumps, subclass 141 for a pivotably mounted blade portion, and subclasses 160+ for individually pivoted vanes, in a fluid motor or pump of that class.

120	.. Including circumferential biasing or damping means

	This subclass is indented under subclass 119. Structure comprising means to bias a member circumferentially about the pivot pin or to form a circumferentially acting abutment to dampen movement of a member.

121	.. Rocking or rolling contact

This subclass is indented under subclass 119. Structure wherein the bearing surfaces are in line contact with each other which line constitutes an instantaneous axis about which the members pivot.

SEE OR SEARCH CLASS:

178,	Telegraphy, subclass 107 for a telegraph key mounted by means of a knife-edge pivot.

122	.. Universal ball and socket

This subclass is indented under subclass 119. Structure comprising members having mating surfaces, at least one of which is concave and one of which constitutes a ball or the equivalent, to permit limited relative movement of the members in more than one plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

56,	for plural ball and socket connections.
75,	for a rigid joint and an angled or offset ball and socket joint.
76+,	for a ball and socket joint and a rigid joint.
90,	for a ball and socket joint which is lockable at a selected angle.

SEE OR SEARCH CLASS:

128,	Surgery, subclass 122 for a ball and socket connection between elements of a truss.
248,	Supports, subclasses 181.1+ for a ball and socket joint associated with an adjustable article supporting head on a stand.
278,	Land Vehicles: Animal Draft Appliances, subclass 80 for a thill coupling including a ball and socket.
280,	Land Vehicles, subclasses 511+ for a ball and socket connection between articulated vehicles.
285,	Pipe Joints or Couplings, subclasses 51 , 135, 138.1, 146.1+, and 261+ for similar structure associated with a pipe joint.

123	... Including internal tie means

This subclass is indented under subclass 122. Structure comprising link or tie means within or passing through both the ball and socket members to hold them in coupled relation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286,	for diverse bridging connectors in general.

124	... Plural concave surfaces with diverse curvature

This subclass is indented under subclass 122. Structure comprising a plurality of distinct concave bearing surfaces associated with one member and complementary convex bearing surfaces associated with the other member, said concave surfaces having either different centers or different radii of curvature.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127,	for a ball and sock joint having a plurality of separate, movable, spherical bearings.

125	.... Interposed concavo-convex component

	This subclass is indented under subclass 124. Structure comprising an element having a convex and concave surface interposed between and complementary to a ball and socket whereby said interposed element provides a socket and ball to cooperate with the first mentioned ball and socket respectively.

126	.... Outer surfaces

	This subclass is indented under subclass 124. Structure wherein the outer surfaces of the assembly are concave.

127	... Swiveled ball parts or seat

	This subclass is indented under subclass 122. Structure including (a) separate bearing means between ball parts or (b) a ball seat which has bearing surfaces on opposite sides such that the seat is readily movable relative to both the ball and an adjacent surface of the socket or other member.

128	... Composite ball

	This subclass is indented under subclass 122. Structure comprising a ball composed of a plurality of assembled segments which segments move relative to the socket or housing.

129	.... Spring biased segments

	This subclass is indented under subclass 128. Structure wherein a spring acts between the ball segments.

130	.... Nonmetallic part

	This subclass is indented under subclass 128. Structure wherein at least one part of the ball is of nonmetallic material.

131	.... Stud extends into ball

	This subclass is indented under subclass 128. Structure wherein one of the segments is the end of a stud which extends into the ball.

132	... Elastomerically biased or backed components

	This subclass is indented under subclass 122. Structure comprising (a) an elastomeric component which biases a seat into engagement with the ball or (b) a socket comprising an elastomeric component which forms a backing for a ball engaging part.

133	... Elastomeric seat

	This subclass is indented under subclass 122. Structure comprising a ball seat made of elastomeric material.

134	... Externally packed

This subclass is indented under subclass 122. Structure wherein the members are provided with a packing remote from the bearing faces.

(1) Note. For packing at the bearing interface, search the subclasses below, particularly 135+.

SEE OR SEARCH CLASS:

277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclass 635 for a static contact seal for other than an internal combustion engine, or a pipe, conduit, or cable that is a flexible sleeve, boot, or diaphragm having a dome, cup, or bell shape, or is for a ball joint.

135	... Including liner, shim, or discrete seat

This subclass is indented under subclass 122. Structure comprising an element interposed between the members which element forms part or all of one bearing face.

SEE OR SEARCH CLASS:

277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclass 507 for a dynamic, circumferential contact seal for other than a piston that accommodates gyrating or oscillating motion using a spherical bearing surface.

136	.... Spring acts through wedging surfaces

	This subclass is indented under subclass 135. Structure wherein a spring cuts between coacting wedge surfaces (a) on distinct parts of the interposed element or (b) on the element and the socket wall.

137	.... Variably preloaded

	This subclass is indented under subclass 135. Structure comprising adjustable means for varying the compression or tension of a spring biasing the element.

138	.... Spring-biased seat opposite ball stud

	This subclass is indented under subclass 135. Structure wherein a spring biases the seat into engagement with the ball on the side of the ball opposite to that from which a rod like member extends.

	This subclass is indented under subclass 135. Structure wherein the interposed element is of porous construction.

140	.... Completely spacing the members

	This subclass is indented under subclass 135. Structure wherein the element completely separates the members from contact with each other at the bearing interface.

141	... Divided socket-type coupling

	This subclass is indented under subclass 122. Structure wherein the socket comprises a coupling device which is axially divided to form two or more separate segments which are jointed together to secure the ball and socket in operative engagement.

142	... Bifurcated socket

This subclass is indented under subclass 122. Structure wherein the socket is formed in a bifurcated component, one half of the socket being in each furcation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141,	for a divided socket-type coupling.

143	... Separable socket sections

This subclass is indented under subclass 122. Structure wherein the socket is composed of a plurality of parts which may be separated without destroying any part thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141,	for a divided socket-type coupling.

144	... Spring-biased

This subclass is indented under subclass 122. Structure wherein a resilient means urges the ball and socket members into engagement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

135+,

for a directly biased packing or seat.

145	.. Including tension or take-up means

	This subclass is indented under subclass 119. Structure wherein means is provided for exerting a force against the bearing interface or for taking up looseness or compensating for wear in the joint.

146	... Interposed spring means coaxial with pivot

	This subclass is indented under subclass 145. Structure comprising spring means interposed between two pivot parts and acting in the direction of the pivot axis, said spring means comprising (a) a single spring coaxial with the pivot or (b) a plurality of springs arranged symmetrically about the pivot.

147	... Acting through tapered surface on bearing component

	This subclass is indented under subclass 145. Structure wherein the force exerted by the means is applied through a tapered surface on a bearing component whereby the bearing component is biased by a force acting in a direction other than that of the applied force.

148	... Manually variable

	This subclass is indented under subclass 145. Structure comprising means for varying the force manually.

149	... External of bearing assembly, e.g., antirattler, etc.

	This subclass is indented under subclass 145. Structure wherein the means is external of the bearing assembly.

150	.. T-pivot, e.g., wrist pin, etc.

This subclass is indented under subclass 119. Structure wherein a pivot pin is engaged at spaced points with an outer member and at an intermediate point with an inner member.

SEE OR SEARCH CLASS:

92,	Expansible Chamber Devices, subclass 230 for a piston comprising a pin supporting boss encircled by an annular ring.

151	... Floating pin

	This subclass is indented under subclass 150. Structure wherein the pivot pin is rotatable with respect to both of the pivoted members.

152	... Pin is integral with or secured to inner member

	This subclass is indented under subclass 150. Structure wherein the pin is integral or nonrotatably engaged with the inner member.

153	... Expanded pin or end

	This subclass is indented under subclass 150. Structure wherein the pivot pin or an end thereof is expanded to secure the pin.

154	... Including distinct pin retainer

	This subclass is indented under subclass 150. Structure comprising a distinct means for retaining the pin in operative position on one of the members.

155	.... Unitary clip or plug

	This subclass is indented under subclass 154. Structure wherein the same comprises a unitary clip or a plug in the pin receiving part of the member.

156	.... Threaded pin end

	This subclass is indented under subclass 154. Structure wherein the retaining means comprises a threaded end on the pin.

157	... Fork and tongue

	This subclass is indented under subclass 150. Structure wherein the outer member is bifurcated and the inner member comprises a part extending between the tines.

158	.... With interposed antifriction means

	This subclass is indented under subclass 157. Structure wherein antifriction means is interposed either between the members or a member and a pivot pin.

159	.... Oppositely laterally movable tines

	This subclass is indented under subclass 157. Structure wherein the bifurcated portions are relatively movable in opposite directions along the axis of the pivot pin.

160	.. On oblique interface

	This subclass is indented under subclass 119. Structure wherein the pivot axis extends at an oblique angle to an axis of the member.

161	.. Transverse pin or stud

	This subclass is indented under subclass 119. Structure wherein a pivot pin or stud is transverse to the longitudinal axis of both the members.

162	... Traverses interposed facing component

	This subclass is indented under subclass 161. Structure wherein the pin extends through a separate facing means interposed between the members or between a member and the pin.

163	... Attached to or integral with one member

	This subclass is indented under subclass 161. Structure wherein the pin is either integral with or fixedly secured to one of the members.

This subclass is indented under subclass 52. Structure wherein the members are rotatable with respect to each other.

SEE OR SEARCH CLASS:

59,	Chain, Staple, and Horseshoe Making, subclass 9 for an apparatus for making a swivel for use with a chain or similar article and subclass 95 for a swivel for use with a chain or similar article.

165	.. Rod in socket

	This subclass is indented under subclass 164. Structure comprising a rod rotatably secured in a socket.

166	. Axially spring-biased coaxial members

	This subclass is indented under subclass 52. Structure comprising a pair of coaxial members biased in an axial direction by resilient means.

167	TRANSVERSE ROD TO SPACED PLATE SURFACES

	This subclass is indented under the class definition. Structure wherein two distinct spaced plate surfaces are structurally related to a rod which is transverse to at least one plate.

168	. Retainer utilizes or abuts plural plates

	This subclass is indented under subclass 167. Structure wherein a rod is held to a plate by a retaining element which abuts or utilizes both plates.

This subclass is indented under the class definition. Structure comprising three or more independent joints, one of which is nonserially related to the other two.

(1) Note. Distinct connection between a rod and the respective ends of a looped rod are included.

170	. Three or more radiating members

	This subclass is indented under subclass 169. Structure comprising at least three interconnected members having axes which radiate outwardly from a single point, which point may lie outside of the joint, and wherein none of the members continue beyond the point.

171	.. Polyhedral

This subclass is indented under subclass 170. Structure wherein the members converge and at least one of the members is noncoplanar with respect to the others whereby the members define at least three intersecting planes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

176,	for similar structure wherein at least one of the members continues beyond the point of intersection.

172	... Unilateral of plane

	This subclass is indented under subclass 171. Structure wherein all of the members diverge on the same side of a plane containing the point.

173	.. Plural pairs of axially aligned members

	This subclass is indented under subclass 170. Structure comprising at least two pairs of axially aligned members, the axes of the pairs intersecting at the point.

	This subclass is indented under subclass 170. Structure wherein all of the members or their axes lie in a single plane.

175	... Additional rod held by encompassing means

	This subclass is indented under subclass 174. Structure comprising an encompassed rod in addition to the coplanar members and juxtaposed therewith.

176	. Polyhedral

This subclass is indented under subclass 169. Structure comprising a plurality of members, the axes of which intersect at a single point and at least one of the rods lies in a different plane than the others to define at least three intersecting planes containing the point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

171+,

for three members radiating from a single point to define three intersecting planes.

177	. Parallel rods

	This subclass is indented under subclass 169. Structure comprising a plurality of members at least, three of which are parallel rods.

This subclass is indented under subclass 169. Structure comprising a plurality of members, which has a surface or an axis in a common plane with the respective parts of each of the others.

SEE OR SEARCH THIS CLASS, SUBCLASS:

174+,

for three or more coplanar members which radiate from a single point.

179	DIVERSE MATERIAL COUPLING MEMBER

	This subclass is indented under the class definition. Structure wherein two members of diverse materials are independently jointed to a coupling member comprising either (a) a third material necessary to form a joint with each of the members or (b) a combination of the diverse materials.

180	THREE OR MORE SERIAL JOINTS, AT LEAST ONE DIVERSE

	This subclass is indented under the class definition. Structure comprising three or more serially connected joints, at least one being dissimilar to one or more of the others.

181	. Nonaligned axes

	This subclass is indented under subclass 180. Structure wherein at least two of the joints have different axes.

182	. Separable intermediate joint

	This subclass is indented under subclass 180. Structure wherein at least one of the intermediate joints can be disassembled without destroying any of the components of another.

183	.. Axially acting connector

	This subclass is indented under subclass 182. Structure wherein plural parts of the intermediate joint are drawn together by a connecting means which exerts an axial force thereon.

184	.. Screw or cam

	This subclass is indented under subclass 182. Structure wherein the intermediate joint comprises an axially acting cam or a threaded interface.

185	JOINT INVOLVING PLURAL LAYERS OF SINGLE ROD

	This subclass is indented under the class definition. Structure wherein a plural layer rod is joined to a member, a plurality of layers of said rod being essential to the joint.

186	LATERALLY RELATED RODS INDEPENDENTLY JOINED TO TRANSVERSE SURFACE

	This subclass is indented under the class definition. Structure comprising a plurality of laterally related rods independently connected to a transverse surface.

187	ROD TO MEMBER TO SIDE, E.G., PLATE, ROD SIDE, ETC.

This subclass is indented under the class definition. Structure including an intermediate member independently connected to a rod and to the transverse surface of another member, e.g., plate or rod side.

SEE OR SEARCH CLASS:

428,	Stock Material or Miscellaneous Articles, subclass 28 , for a rod-to-head type joint embodying specific structure of the head, (e.g., an ornament joined to a curtain rod, etc.).

188	. Rod side to member to side

	This subclass is indented under subclass 187. Structure wherein the intermediate member is connected to the side of the rod.

189	. Unilateral of side

	This subclass is indented under subclass 187. Structure wherein the rod and intermediate member lie only on one side of a plane defined by the side surface, and no components extend as far as the opposite surface of the side.

190	. Arcuate or multiplanar side

	This subclass is indented under subclass 187. Structure wherein the transverse member comprises a side of arcuate or polygonal shape.

191	.. Encompassed side

	This subclass is indented under subclass 190. Structure wherein the arcuate or polygonal side is completely encompassed by the intermediate member or its associated structure.

192	. Intermediate member includes tubular part

	This subclass is indented under subclass 187. Structure wherein the intermediate member comprises a part which is of tubular cross-section.

193	.. Side or tubular part deformed in situ

	This subclass is indented under subclass 192. Structure wherein either the side or the tubular part of intermediate member is deformed in effecting the joint.

194	.. Intermediate member extends through side

	This subclass is indented under subclass 192. Structure wherein the intermediate member extends through the side.

195	... Split or divided tubular part and coacting compressor

	This subclass is indented under subclass 194. Structure wherein the tubular part is split or divided to provide spaced portions, and means acting upon these portions to force the same into gripping relation with the rod.

196	... Transverse clamp secures rod and tubular part

	This subclass is indented under subclass 194. Structure wherein a clamping element is directed in a path transverse to the rod to secure the rod to the tubular part.

197	... Rod also extends through side

	This subclass is indented under subclass 194. Structure wherein the rod which is connected to the intermediate member also extends through the side.

198	.. Oblique rod

	This subclass is indented under subclass 192. Structure wherein the portion of the rod which is joined to the intermediate member extends at an angel other than 905 or 1805 with the side.

199	.. Intermediate member secured to side by radial flange

	This subclass is indented under subclass 192. Structure wherein the intermediate member is provided with a radial flange which is joined to the side.

200	.. Internally threaded tubular part

	This subclass is indented under subclass 192. Structure wherein the tubular part of the intermediate member is internally threaded for attachment to the rod.

201	. Intermediate member extends completely through side

	This subclass is indented under subclass 187. Structure wherein the intermediate member passes completely through the side.

202	RADIALLY SPACED MEMBERS JOINED BY INDEPENDENT COUPLING

	This subclass is indented under the class definition. Structure comprising spaced inner and outer members joined by an intermediate connecting member, the connections between the intermediate member and each of the other members being independent of each other.

203	. Flexible intermediate member

	This subclass is indented under subclass 202. Structure wherein the intermediate connecting member is of flexible material.

204	COACTING CONNECTION BETWEEN INNER MEMBER AND PLURAL PARTS OF OUTER MEMBER

This subclass is indented under the class definition. Structure wherein an inner member is joined to an axially overlapping multipart outer member, said inner member coacting with at least two parts of said outer member in effecting the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

288,	for a packed joint between inner and outer members where a follower connected to a unitary outer member compresses the packing.
373+,	for a joint between inner and outer members where a follower or actuator connected to the outer member is necessary to the joint.

205	RIGID ANGLE COUPLING, E.G., ELBOW OR U, ETC.

This subclass is indented under the class definition. Structure comprising a coupling member having means at the ends to join the ends of two members independently and distinctly and adapted to hold the ends in angular relation.

SEE OR SEARCH CLASS:

122,	Liquid Heaters and Vaporizers, subclass 87 for a U-coupling between two fire tubes in a boiler.

206	AXIALLY CURVED OR BENT PORTION OF ROD IS JOINT COMPONENT

This subclass is indented under the class definition. Structure comprising a curved or bent rod wherein the curvature or bent portion is utilized in effecting the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229,	for a resilient, coiled spring for flexibly uniting two rigid members.
291+,	for a joint between a member of flexible, coiled material and a rigid member where the only characteristic of the coil put to use is its flexibility. If the curvature of the coil is utilized, as for example helical grooves in a member which receive the coil, the subject matter is here (subclass 206).

SEE OR SEARCH CLASS:

24,	Buckles, Buttons, Clasps, etc., subclasses 115+ for a choker, i.e., a freely enlargeable or contractable loop encompassing a member.
56,	Harvesters, subclasses 433+ for means for knotting the ends of a band which passes around a bundle.
57,	Textiles: Spinning, Twisting, and Twining, subclass 202 for a splice in strand structure.
289,	Knots and Knot Tying, appropriate subclasses for the intertwining of one or more portions of a cord, strip or strand.

207	. Interfitted crossing rods

	This subclass is indented under subclass 206. Structure wherein the curved portion of one rod forms a recess which receives an intermediate part of a transversely extending rod.

208	. Joined to laterally related transverse surface at axially spaced points

	This subclass is indented under subclass 206. Structure wherein the curved or bent portion of the rod is joined at points spaced along the curvature thereof to a transverse surface which is related laterally thereto.

209	. Reversely bent portion

	This subclass is indented under subclass 209. Structure wherein the curved or bent portion includes an arc of more than ninety degrees.

210	.. Around eye-forming thimble

	This subclass is indented under subclass 209. Structure comprising an element having a peripheral opening or channel about which the rod is adapted to be wrapped and fastened, the total structure forming an eye.

211	.. With wedge clamp

	This subclass is indented under subclass 209. Structure wherein opposed portions of the bend are clamped together or to another component by a wedge element.

212	.. Held by crimped collar

	This subclass is indented under subclass 209. Structure provided with a collar which is crimped to opposed portion of the curved or bent rod.

	This subclass is indented under subclass 209. Structure wherein the ends of the curved or bent rod are spaced apart.

214	. Intertwisted ends

	This subclass is indented under subclass 206. Structure comprising a pair of flexible rods, the ends of which are twisted together.

215	. End of rod is deflected laterally within connector

	This subclass is indented under subclass 206. Structure wherein an end of the rod is deflected transverse to its axis within a connector.

216	. Plural rods distorted by single component

	This subclass is indented under subclass 206. Structure wherein plural rods are deformed or flexed by a single element.

217	THREE OR MORE MEMBERS CONNECTED AT SINGLE LOCUS

This subclass is indented under the class definition. Structure wherein three or more members are connected at one locus by a single joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

169+,	for branched members which may intersect at a single locus.
300+,	for two members joined by a coupler which may itself be a member.

218	. All encompassed

	This subclass is indented under subclass 217. Structure wherein all of the members are encompassed by a connecting means or by a part of a connecting means and another member.

219	. Mutually contacting

	This subclass is indented under subclass 217. Structure wherein each of the members contacts each of the others.

220	FLEXIBLY CONNECTED RIGID MEMBERS

This subclass is indented under the class definition. Structure wherein at least part of the joint is flexible and permits relative movement of the members.

SEE OR SEARCH CLASS:

74,	Machine Element or Mechanism, subclass 470 for a resilient connection in a control lever or linkage system.
105,	Railway Rolling Stock, subclass 40 for a flexible connecting between boiler sections of a steam locomotive.
114,	Ships, subclasses 213+ for various tension relievers.
191,	Electricity: Transmission to Vehicles, subclasses 60.2 and 60.3 for a resilient connection between a trolley pole and head.
415,	Rotary Kinetic Fluid Motors or Pumps, subclass 141 for a blade having a resilient connection to its support in a rotary kinetic fluid motor or pump.
428,	Stock Material or Miscellaneous Articles, subclass 591 for metallic stock having a feature which allows relative movement between the components thereof.

221	. Rigid sleeve encompasses flexible bushing

	This subclass is indented under subclass 220. Structure wherein the members are connected by a means comprising a sleeve of rigid material and a flexible spacing member within the sleeve.

222	.. Longitudinally divided sleeve

	This subclass is indented under subclass 221. Structure wherein the sleeve is divided along an axial line.

223	. Flexible sleeve-type coupling

	This subclass is indented under subclass 220. Structure comprising a coupling of tubular cross-section made of a flexible material.

224	. Connecting pin traverses radially interposed elastomer

	This subclass is indented under subclass 220. Structure wherein a pin or bolt connecting the two members extends through and is flexibly secured to one member by an elastomeric element surrounding said bolt.

225	. Elastomer interposed between radially spaced members

This subclass is indented under subclass 220. Structure comprising radially spaced members secured together by an interposed elastomeric component.

SEE OR SEARCH THIS CLASS, SUBCLASS:

365+,

for a radially interposed shim or bushing in general.

SEE OR SEARCH CLASS:

428,	Stock Material or Miscellaneous Articles, subclass 625 for a metallic composite in which an additional component has an elastomer base.

226	.. Elastomer encompasses shoulder on inner member

	This subclass is indented under subclass 225. Structure wherein the inner member comprises a shoulder, each radial side of which is engaged by the elastomeric element.

227	.. Including axially acting compressing means

	This subclass is indented under subclass 225. Structure comprising an axial compression means for loading the elastomer between the radially spaced members.

228	.. Composite bushing with elastomeric component

	This subclass is indented under subclass 225. Structure comprising a bushing for insertion between the members, which bushing is made of a plurality of parts.

229	. Helical spring type coupling

	This subclass is indented under subclass 220. Structure comprising a helical spring connecting the two members.

230	ROD END TO TRANSVERSE SIDE OF MEMBER

This subclass is indented under the class definition. Structure comprising a connection between the side of a member and the end of a rod transverse thereto wherein some characteristic of the side is utilized in effecting the joint.

(1) Note. Included is a connection comprising a rod receiving opening which extends entirely through the member and wherein both sides of the member are involved in effecting the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

186,	for plural rods joined to a side wherein the rods are independently secured to the side.
187,	for serial connections between a rod, an intermediate member and a side.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 189+ for a pipe end joined to a plate.
301,	Land Vehicles: Wheels and Axles, subclass 111.01 for means securing a wheel to an axle combined with structure of either the wheel or axles in addition to that which cooperates to form the connection.
428,	Stock Material or Miscellaneous Articles, subclass 28 , for a rod-to-head type joint embodying specific structure to the head, (e.g., an ornament joined to a curtain rod, etc.).
474,	Endless Belt Power Transmission Systems or Components, appropriate subclasses, and particularly subclass 902 for a particular connection between the rim and hub; and subclass 903 for a particular connection between the hub and shaft of a pulley or guide roll.

231	. Corner joint

	This subclass is indented under subclass 230. Structure wherein the end of one rod is connected to the side of another adjacent its end to form an angular construction.

	This subclass is indented under subclass 230. Structure wherein the rod is received in a generally U-shaped element associated with the side of the member.

233	. Structure attached to rod end encompasses side

This subclass is indented under subclass 230. Structure wherein the end of a first rod is joined to the side of a second rod by an attached element which encompasses more than 1805 of the periphery of the second rod.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191,	for an intermediate member independently connected to a rod and to an arcuate side wherein the intermediate member encompasses the side.

234	.. Clamped saddle

	This subclass is indented under subclass 233. Structure wherein the first rod has associated therewith an arcuate surface less than 1805 which is clamped to the side of the second rod.

235	.. Yoke or ring

	This subclass is indented under subclass 233. Structure wherein the encompassing means comprises either a U-shaped or an annular component.

236	... Having radial screw at bight

	This subclass is indented under subclass 235. Structure wherein radially extending screw extends through the bight of the U-shaped or annular component for engaging the side of the second rod.

237	. Including saddle

This subclass is indented under subclass 230. Structure comprising an arcuate or polygonal portion on one rod which straddles the side of another rod transverse thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

234,	for a clamped saddle.

238	. Gland type

This subclass is indented under subclass 230. Structure wherein the rod and side are connected by a short rod section coaxial with the rod and extending through an aperture in the side.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187+,

for an intermediate member joining a rod and side wherein the connections between the intermediate member and the rod and side are independent.

239	.. Rod and side gripped simultaneously by single actuation

	This subclass is indented under subclass 238. Structure provided with clamping means which is so constructed as to grip both the side and rod simultaneously in response to a single movement of an actuator.

240	. Rod clamped to hole edge

	This subclass is indented under subclass 230. Structure comprising means cooperating with the radial edge of a hole in the side for clamping a rod therebetween.

241	. Rod to open edge of side, e.g., wrap-around connection

This subclass is indented under subclass 230. Structure wherein the opposite walls of a side are engaged by a connecting means, said means extending over an open, or free, edge of the side.

SEE OR SEARCH THIS CLASS, SUBCLASS:

247+,

for connecting means which engages opposite walls and an edge of a hole which passes through the walls.

242	. Rod and side deformingly interlocked

	This subclass is indented under subclass 230. Structure wherein the rod and side are interlocked by deforming the rod or side in situ.

243	. Radially interposed, side-engaging shim or bushing

	This subclass is indented under subclass 230. Structure comprising a shim or bushing interposed between the rod and the edge of a hole in the side through which the rod passes, a part of said shim or bushing extending beyond the hole edge and engaging a surface of the side.

244	. Socket formed by shaping or deforming side

	This subclass is indented under subclass 230. Structure wherein a part of the side is deformed or shaped to form a socket or part thereof for receiving the end of a rod, the deforming or shaping operation being accomplished without substantial removal of material.

245	. Integral transverse projection on side, e.g., necked, etc.

	This subclass is indented under subclass 230. Structure wherein the side is provided with a transverse integral projecting portion to which the rod is secured.

246	.. From rod side

	This subclass is indented under subclass 245. Structure wherein the projecting portion extends from the side of a rod.

247	. Utilizing opposite sides of member

	This subclass is indented under subclass 230. Structure wherein opposed sides of the member are utilized in effecting the joint.

248	.. Rod is expanded by component inserted from distal side

This subclass is indented under subclass 247. Structure wherein the rod extends from an opening in the member and the end of the rod is expanded by a component inserted therein from the side of the member opposite the side from which the rod extends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

277,	for similar structure wherein the side characteristics of a member are not utilized.

249	... Separate and deformable component

	This subclass is indented under subclass 248. Structure wherein the inserted component is separate from both the rod and the member and is deformed upon insertion into the rod.

250	... Plural contacting components

	This subclass is indented under subclass 248. Structure wherein the inserted component comprises of coacting parts which contact each other when in assembled condition.

251	... Barbed component

	This subclass is indented under subclass 248. Structure wherein the inserted component is provided with a barb to act as a restraint against withdrawal.

252	.. Inserted, blind-side-engaging, retaining portion on rod

	This subclass is indented under subclass 247. Structure wherein the rod comprises a component for insertion through an aperture in the member, said component being adapted, after insertion, for engagement with the surface of the distal side, whereby the joint may be effected entirely from the proximal side of the member.

253	.. Stepped or tapered recess in side

	This subclass is indented under subclass 247. Structure wherein at least one side of the member is provided with a stepped or tapered recess which is used in effecting the joint.

254	... Terminal, rod-attached retainer engages distal side

	This subclass is indented under subclass 253. Structure wherein a portion of the rod extends through the member and is provided with a retainer adjacent its end which engages the distal side of the member.

255	.... Inserted into rod

	This subclass is indented under subclass 254. Structure wherein a part of the retainer is inserted into the rod.

256	.. Clamped member

	This subclass is indented under subclass 247. Structure wherein the member is clamped between two joint components associated with the rod on opposite sides of the member.

257	... Clamping component engages recessed side

	This subclass is indented under subclass 256. Structure wherein one of the member clamping parts engages a recessed portion in a side of the member.

258	... Bolted to rod

	This subclass is indented under subclass 256. Structure wherein the rod is clamped to the member by a bolt passing through the member and threaded into the rod.

259	... Between rod shoulder and terminal nut

	This subclass is indented under subclass 256. Structure wherein opposite sides of the member are contacted by a shoulder on the rod and a nut located proximally to the free end of the rod.

260	... Bolted through member

	This subclass is indented under subclass 256. Structure wherein the rod is clamped to the member by one or more bolts passing through the member.

261	... Coaxial collar or shoulder or rod is clamp element

	This subclass is indented under subclass 256. Structure wherein the rod is provided with a collar or a peripheral shoulder which is coaxial therewith and which forms one of the clamping components.

262	. Flange on rod bolted to side

	This subclass is indented under subclass 230. Structure comprising a flange on the rod secured to the side of the member by bolts, screws or the equivalent.

263	. Rod received in recessed side, e.g., socket or tapered opening, etc.

	This subclass is indented under subclass 230. Structure wherein the side of the member is provided with a recess to receive the rod.

264	. Utilizing internal rod structure

	This subclass is indented under subclass 230. Structure wherein internal structure of the rod is utilized in effecting the joint.

265	MOLDED JOINT

This subclass is indented under the class definition. Structure wherein the members are secured by, (a) an adhesive material, (b) a material which is applied in a liquid or plastic state and thereafter solidifies, or (c) the diffusion of one member into another, e.g., spot weld, cold weld.

SEE OR SEARCH THIS CLASS, SUBCLASS:

179,	for two members joined by bonding to an intermediate member of diverse material.

SEE OR SEARCH CLASS:

156,	Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for processes of bonding by adhesion.
228,	Metal Fusion Bonding, appropriate subclasses for method or apparatus for metallurgical surface bonding.
313,	Electric Lamp and Discharge Devices, subclasses 317+ for electric lamp and electric discharge devices provided with lead-in wires sealed into the envelope of the lamp or discharge device and subclasses 334+ for the structure of nonmetallic electrodes or shields which are joined to a lead-wire or conductor.

266	. And independent connection

	This subclass is indented under subclass 265. Structure comprising a nonmolded connection in addition to and independent of the molded joint.

267	. Including mechanical interlock

This subclass is indented under subclass 265. Structure wherein the members are additionally secured together by means other than the adhesive, fusible, or diffusible material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

266,	for a joint including a connection which is independent of the molded joint.

268	. Socket or open cup for bonding material

	This subclass is indented under subclass 265. Structure wherein one member has a socket or open cup containing bonding material into which the other member extends.

269	. Member cast in situ

This subclass is indented under subclass 265. Structure wherein a member is cast around a second member whereby it is simultaneously formed and joined to the second member.

SEE OR SEARCH CLASS:

249,	Static Molds, subclasses 83+ for a process of uniting a preform with a molding material during the molding operation.

270	. Fusion bond, e.g., weld, etc.

This subclass is indented under subclass 165. Structure wherein the joint is effected by the solidification of a fusible material.

SEE OR SEARCH CLASS:

228,	Metal Fusion Bonding, appropriate subclasses for method or apparatus for metallurgical surface bonding.

271	.. Metallic fusion material

This subclass is indented under subclass 270. Structure wherein the fusible material is metallic.

SEE OR SEARCH CLASS:

428,	Stock Material or Miscellaneous Articles, subclasses 544+ for stock material, e.g., of indefinite length, which are all metal or have adjacent metal components.

272	... Added bonding material, e.g., solder, braze, etc.

	This subclass is indented under subclass 271. Structure comprising fusible material in addition to the material of the members.

This subclass is indented under the class definition. Structure wherein two members are joined by shrinking one onto the other, usually by heating the outer member and/or cooling the inner member prior to assembly.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclass 381.1 for a shrunk fit pipe joint.

274	MEMBER DEFORMED IN SITU

This subclass is indented under the class definition. Structure wherein the joint is effected by distorting at least one of the members beyond its elastic limit in situ.

SEE OR SEARCH THIS CLASS, SUBCLASS:

242,	for a rod deformably interlocked with the side of another member.
248+,	for a rod end to side connection wherein the rod is expanded by a component inserted from the distal side.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 382+ for similar structure involving tubular members.

275	. Separating element between strands of member

This subclass is indented under subclass 274. Structure wherein a deformed member comprises a plurality of strands which are separated by an element inserted therebetween.

SEE OR SEARCH CLASS:

29,	Metal Working, subclass 461 for a process of joining comprising the spreading of cable strands.

276	. Interposed deforming element contacts socket bottom

	This subclass is indented under subclass 274. Structure comprising a separate element interposed between two members and in contact with the bottom of a socket for deforming one or more of the members.

277	. Inner member is expanded by longitudinally inserted element

This subclass is indented under subclass 274. Structure wherein a part of one member is encompassed by a part of another and the inner member is expanded by an element inserted longitudinally therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

248+,

for a similar connection between a rod end and the side of a member.

278	. By separate, deformable element

This subclass is indented under subclass 274. Structure wherein the deformation of one of the members is effected by a separate distinct element which is itself deformed as an incident to the making of the joint.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclass 382.7 for a pipe joint wherein the pipe ends are deformed by a separate deformable element.

279	. Deformation occurs simultaneously with action of separate, diverse function, joint component

	This subclass is indented under subclass 274. Structure wherein the deformation is effected simultaneously with and effected by, the action of a joint component which performs another function in the joint assembly in addition to the deforming function.

280	. Deforming component is inserted section

	This subclass is indented under subclass 274. Structure wherein the members are connected by an inserted section which section is provided with means for deforming the members.

281	. Separate deforming means remains with joint assembly

This subclass is indented under subclass 274. Structure wherein the deforming means is separated from each member and remains with the joint assembly after the joint is effected.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+,	for a joint provided with a deforming means which may or may not remain with the joint assembly after the joint is effected but which performs no function in the completed joint.
275,	for a joint comprising an element which is inserted between the strands of a stranded member.

282	. Deformation occurs simultaneously with assembly

	This subclass is indented under subclass 274. Structure wherein the deformation occurs as the members are assembled together.

283	. By piercing

	This subclass is indented under subclass 274. Structure wherein the deformation of one member is effected by the penetration of a component and includes the separation of material at the surface of said member.

284	. Diverse resistance to lateral deforming force

	This subclass is indented under subclass 274. Structure wherein the members are of different resistance to deformation, e.g., diverse hardness, and are so arranged that, when both are simultaneously subjected to a lateral deforming force, one will be deformed to a greater degree than the other.

285	. Both members deformed

	This subclass is indented under subclass 274. Structure wherein both members are deformed.

286	BRIDGED BY DIVERSE CONNECTOR

This subclass is indented under the class definition. Structure comprising a pair of diverse, independent, spaced connecting means between two members each of the connecting means being secured to each of the members and being so arranged that one completely overlies the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

123,	for an internal tie means between two members connected by a ball and socket joint.

287	INCLUDING SPACED, DIVERSE CONNECTIONS

This subclass is indented under the class definition. Structure wherein a single joint between two members comprises a plurality of distinct, spaced, diverse connections.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286,	for a joint bridged by a diverse connector.

288	INCLUDING DISTINCT PACKING

This subclass is indented under the class definition. Structure provided with means for sealing the joint, said means being distinct from the joint and unnecessary to the connection of the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134,	for a ball and socket joint provided with packing at a point remote from the bearing interface.
135+,	for a ball and socket joint provided with packing at the bearing interface.

SEE OR SEARCH CLASS:

277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclasses 345+ for a seal between relatively movable parts (i.e., a dynamic seal).

289	SPLIT END WITH LATERALLY MOVABLE OPPOSED PORTIONS

	This subclass is indented under the class definition. Structure wherein an end portion of one of the members is split, the portions separated by the split being movable laterally into gripping engagement with another member to effect the joint.

290	. With separate force-applying means

	This subclass is indented under subclass 289. Structure including a means for applying a force to the laterally movable portions to displace them into gripping relation.

291	FLEXIBLE MEMBER IS JOINT COMPONENT

This subclass is indented under the class definition. Structure comprising relatively flexible and rigid members, the flexible and rigid characteristics being essential to the joint.

SEE OR SEARCH CLASS:

114,	Ships, subclasses 213+ for various tension relievers.
384,	Bearings, subclasses 2+ for nonjoint, nonrotating fulcrum bearing where there is sliding or rolling contact between separate elements.

292	MEMBER ENDS JOINED BY INSERTED SECTION

This subclass is indented under the class definition. Structure wherein a connecting section is mounted between the ends of two juxtaposed members and extends into respective openings leading from the end faces of the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

280,	for an inserted section which deforms one of the connected members.

293	. Externally bridged

This subclass is indented under subclass 292. Structure including an external part which bridges the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286,	for an inserted section and a separate external bridging piece wherein the inserted section and the external bridging piece serve to connect the members independently of each other.

294	. Laterally inserted section

	This subclass is indented under subclass 292. Structure wherein the section is inserted transversely of the members.

295	. Angle section

This subclass is indented under subclass 292. Structure wherein the members extend at an angle to each other and the section has angularly extending portions which cooperate with the respective members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205,	for a rigid angle coupling having distinct, independent means for connection with two end members.

296	. Section threaded to member

	This subclass is indented under subclass 292. Structure wherein the section is threadedly engaged with at least one of the members.

297	. Expansible section

	This subclass is indented under subclass 292. Structure wherein the section is radially expansible into engagement with the openings.

298	. Fluted or splined section

	This subclass is indented under subclass 292. Structure wherein the section is provided with axially extending grooves or ribs.

299	THREAD ADAPTOR

	This subclass is indented under the class definition. Structure comprising a member having threads at one end for connection to a threaded member and means at the other end for connection to either a nonthreaded member or to a member having threads of a different nature from those of the former threaded member.

300	DISTINCT END COUPLER

This subclass is indented under the class definition. Structure comprising an intermediate joining piece having a distinct connection with the respective ends of each of two members and bridging the ends of the members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26,	for a coupler journalled to a structure other than the connected members.
43,	for a turnbuckle.
205,	for a coupler for connecting two members at a rigid angle.
223,	for a flexible sleeve type coupler.
229,	for a helical spring type coupler.
292+,	for an inserted section.
Dig. 15,	for a plate which bridges the ends of two members and is secured to each.

301	. Diverse serial connections

	This subclass is indented under subclass 300. Structure wherein the connections of a different type and are serially related.

302	.. Axially cleft coupler

This subclass is indented under subclass 301. Structure wherein the joining piece is axially divided at one end.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141,	for a ball and socket joint comprising an axially divided coupling piece having a socket formed therein.

303	. Single actuator for plural connections

	This subclass is indented under subclass 300. Structure wherein a single means engages or disengages each connection simultaneously.

304	.. Axially biased end portions

	This subclass is indented under subclass 303. Structure wherein the actuator biases axially movable end portions of the joining piece to engage or disengage the connections.

305	. Plural opposed sockets

	This subclass is indented under subclass 300. Structure wherein the joining piece is provided with a socket at each end, said sockets opening in opposite directions.

306	. Separate screw or pin-type connections

	This subclass is indented under subclass 300. Structure wherein each member is connected independently to the joining piece by a separate screw or pin.

307	. Continuous thread

	This subclass is indented under subclass 300. Structure wherein the joining piece is provided with an unbroken thread which engages both of the members.

308	. Having separable end caps or plugs

	This subclass is indented under subclass 300. Structure comprising separable caps or plugs which close the ends of the joining piece.

309	. Interrupted periphery, e.g., split or segmental, etc.

	This subclass is indented under subclass 300. Structure wherein the outer periphery of the joining piece body is discontinuous along its entire length.

310	.. Axially divided segments

	This subclass is indented under subclass 309. Structure wherein the joining piece is separable into longitudinal segments.

311	... Interfitting

	This subclass is indented under subclass 310. Structure wherein the segments are so constructed as to interfit with each other when assembled.

	This subclass is indented under subclass 310. Structure wherein the segments are bolted together.

	This subclass is indented under subclass 309. Structure wherein the joining piece comprises a unitary piece split along its length.

314	. Including member wedging or camming means

	This subclass is indented under subclass 300. Structure comprising means for wedging or camming a member and the joining piece into engagement.

315	INCLUDING ANCILLARY MEANS BLOCKING DISCONNECTION OF JOINT

	This subclass is indented under the class definition. Structure wherein the joint is hampered against disconnection by a distinct means, which means either coacts with the joint or prevents access thereto, and which means does not constitute a part of the joint.

316	. Blocker for assembled joint retainer

	This subclass is indented under subclass 315. Structure wherein the hampering means prevents disengagement of a retaining means forming a part of the joint assembly.

317	.. Blocker keeper

	This subclass is indented under subclass 316. Structure wherein the hampering means is hampered from being disengaged from the retaining means by a distinct means which means is unnecessary to the function of the hampering means.

318	.. Blocked key

	This subclass is indented under subclass 316. Structure wherein the hampering means hampers the disassembly of two members retained by a key by blocking any movement of the key.

319	. Blocker is catch or key

	This subclass is indented under subclass 315. Structure wherein the hampering means comprises either a catch or a separate piece inserted between and positively engaging each of the members.

320	. Cam or thread lock

This subclass is indented under subclass 315. Structure wherein the hampering means prevents disassembly of two members secured together by a cammed or threaded connection.

SEE OR SEARCH CLASS:

411,

Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, subclasses 81+ for a threaded fastener (i.e., a bolt or nut) and means for restricting the rotation thereof relative to a coacting substructure; and subclasses 190+ for a threaded bolt and nut and means for coupling them against rotation relative to one another.

321	Manually releasable latch type:

This subclass is indented under the class definition. Subject matter comprising a device fastening at least two members together and is designed to be unfastened by a human hand.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 308+ for similar structure in a pipe joint.
292,	Closure Fasteners, subclass 1 for structure used to secure a closure in position.

322.1

. Having operating mechanism:

	This subclass is indented under subclass 321. Subject matter including two or more interrelated mechanical elements for operating a latch, or locking means.

322.2

.. Ball detent:

	This subclass is indented under subclass 322.1. Subject matter wherein one or more of the operating elements or the locking means is spherical.

322.3

.. Remote:

	This subclass is indented under subclass 322.1. Subject matter wherein the operating mechanism is actuated at a distance.

	This subclass is indented under subclass 322.1. Subject matter wherein the operating mechanism includes an elongate member which is pivoted on a fulcrum.

323	. Swiveled bolt

	This subclass is indented under subclass 321. Structure wherein the latch comprises a bolt swivelled about its axis to one member and having a laterally extending projection for engaging the other member.

324	. Transversely sliding pin

	This subclass is indented under subclass 321. Structure wherein the latch comprises a transversely sliding pin.

325	. Spring biased manipulator

	This subclass is indented under subclass 321. Structure wherein the manipulator is spring biased.

326	BIASED CATCH OR LATCH

This subclass is indented under the class definition. Structure comprising means for securing two members together wherein an element biased into a recess or opening holds the members in assembled relation.

(1) Note. The bias may result from the action of a distinct means for from the resiliency of one or more of the members.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 305+ for similar structure in a pipe joint.

327	. By separate spring

	This subclass is indented under subclass 326. Structure wherein the element is biased into operative position by a separate spring.

328	.. Radially sliding catch

	This subclass is indented under subclass 327. Structure wherein the spring biased element is slidably engaged with one member and is radially movable into engagement with the other member.

329	. Leaf spring

	This subclass is indented under subclass 326. Structure wherein the element comprises a leaf spring.

	This subclass is indented under subclass 326. Structure wherein the element is pivotally mounted.

331	SIDE SLIDE: ELONGATED CO-LINEAR MEMBERS

This subclass is indented under the class definition. Structure including colinear elongated members which must be slid transversely of the longitudinal axis of the members to assemble or disassemble the joint.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclass 67 for a side slide connection between two pipes whose ends define identical halves and subclasses 325+ for a side slide connection between two pipes in general.

332	ANNULAR RECESS IS JOINT COMPONENT

This subclass is indented under the class definition. Structure wherein one member extends into an annular recess in another member, said recess being bounded by radially spaced surfaces of 360 degrees, said surfaces being either integral with the second member or formed by a distinct component joined thereto.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 328+ for similarly joined pipes.

333	CONVERGENT INTERFACE

This subclass is indented under the class definition. Structure wherein a member has an end, the entire periphery of which is longitudinally stepped or tapered, providing surfaces which are contacted by another completary member, forming a joint interface.

SEE OR SEARCH CLASS:

285,	Pipe Joints or Couplings, subclasses 328+ for similarly joined pipes.

	This subclass is indented under subclass 333. Structure wherein the diameter of the first mentioned member decreases uniformly toward the end of the member.

335	INTERCONNECTED FLANGES OR SHOULDERS

	This subclass is indented under the class definition. Structure wherein each member comprises an outwardly directed flange or shoulder adapted for connection to a corresponding flange or shoulder on the other member by a separate connecting element.

336	. Separate flange or shoulder

	This subclass is indented under subclass 335. Structure wherein at least one of the flanges or shoulders is separate from but secured to its associated member.

337	. Axially bolted or riveted

	This subclass is indented under subclass 335. Structure wherein the flanges are secured together by bolts or rivets extending parallel to the axis of the members.

	This subclass is indented under subclass 335. Structure wherein the flanges are secured together by clamping means.

This subclass is indented under the class definition. Structure comprising lapped rod ends having complementary engaging portions formed by halving, beveling, notching or otherwise cutting away the peripheries of the rods adjacent their ends in such a way as to maintain the configuration of the connected parts substantially the same as that of the adjacent parts of the respective rods.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401+,

for a miter joint.

SEE OR SEARCH CLASS:

238,	Railways: Surface Track, subclasses 230+ for a scarf joint between railway track sections.

340	. Mirror images

	This subclass is indented under subclass 339. Structure wherein the engaging portions of the respective rod ends are mirror images of one another.

341	INTERFITTED MEMBERS WITH EXTERNAL BRIDGING PIECE

This subclass is indented under the class definition. Structure wherein the members comprise interfitting parts and an external component which bridges their interface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286,	for a means bridging a connection which means itself constitutes a connection between the same members.

342	THIMBLE: SCREW OR CAM

	This subclass is indented under the class definition. Structure comprising an external sleeve having an internal threaded or cam surface to engage complementary external structure on one member and an inwardly extending flange for slidably engaging an abutment on the other member whereby rotation of the sleeve draws the members together.

343	SCREW OR CAM

	This subclass is indented under the class definition. Structure having interengaging parts comprising (1) screw threads on the members at the coupling interface, or (2) an axially inclined groove or shoulder on one member which engages a corresponding component on the other member, said interengaging parts being adapted to move the two members axially when the members are rotated.

344	AXIALLY SPLIT OR SEPARABLE MEMBER

This subclass is indented under the class definition. Structure wherein one member is comprised of either separable segments or is split axially the entire length wherein the connection is effected by assembling the segments or closing the split.

SEE OR SEARCH THIS CLASS, SUBCLASS:

289+,

for a connection involving laterally movable opposed portions formed by splitting the end of a member.

345	INTERFITTED MEMBERS

This subclass is indented under the class definition. Structure wherein each member comprises a part which interfits with a respective part of the other member.

SEE OR SEARCH CLASS:

277,	Seal for a Joint or Juncture, for a generic sealing means or process, subclass 547 for a dynamic, segmented ring circumferentially contacting seal for other than piston having interfitting projection and recess on its end structure or subclass 548 for a dynamic, segmented ring circumferentially contacting seal for other than piston having complementary interfitting adjoining rings.
428,	Stock Material or Miscellaneous Articles, subclasses 577+ for metal stock, blanks, or indetermnate articles which may include an interlocking joint between copnents thereof, and subclass 609 for metallic stock in which a macroscopic irregularity exists at the interface between components.

346	. Crossed rods

This subclass is indented under subclass 345. Structure wherein the members comprise a pair of angularly related rods which are connected at a point intermediate their respective ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207,	for crossed rods one of which interfits within a curved portion of the other.

347	.. One rod is encompassed by the other

	This subclass is indented under subclass 346. Structure wherein the perimeter of one rod is completely encompassed by the other.

348	. Lugged member, rotary engagement

	This subclass is indented under subclass 345. Structure wherein a protuberance on one member engages a complementary part on the other member, the engagement being effected by relative rotation of the two members.

349	.. Bayonet joint

This subclass is indented under subclass 348. Structure wherein the complementary part comprises a slot with longitudinal and circumferential portions for the protuberance.

SEE OR SEARCH THIS CLASS, SUBCLASS:

343,	for a bayonet slot which comprises a screw or cam surface for biasing the members axially as they are rotated to effect the joint.

350	. Rotary binding cam or wedge

	This subclass is indented under subclass 345. Structure wherein rotation of (a) one member with respect to the other member of (b) an actuator having the same axis as one of the members binds the two members together or caused a retainer to bind between the two members.

351	.. Radially interposed shim or bushing

	This subclass is indented under subclass 350. Structure wherein the binding action is effected by a relatively thin element or lining interposed in the space between the two members or between one member and an additional radially spaced component.

352	... Arcuate slip

	This subclass is indented under subclass 351. Structure wherein the relatively thin element comprises element of less than 1805 which is interposed between two arcuate peripheral surfaces.

353	. Assembled by plural manipulations of member

This subclass is indented under subclass 345. Structure wherein the members are so configured that plural, distinct manipulations of one or more of the members are required in order to effect their connection or disconnection.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52+,	for a joint wherein the members are relatively movable after they are assembled.
99,	for an articulated joint which is lockable by plural motions of one member.
349,	for a bayonet joint.
350+,	for a rotary binding cam or wedge.

354	. Diametric end slot is joint component

	This subclass is indented under subclass 345. Structure wherein one member is provided with a diametric slot extending axially from one end thereof which slot is used in effecting the joint.

355	. Including separably interposed key

	This subclass is indented under subclass 345. Structure including a component having means between and separably and nonrotatably engaging each of two telescoping members.

356	.. Axially extending

	This subclass is indented under subclass 355. Structure wherein the means extends axially of one of the members.

357	... Resilient

	This subclass is indented under subclass 356. Structure wherein the means is resilient.

358	... Longitudinally stepped or tapered

	This subclass is indented under subclass 356. Structure wherein the means is either stepped or tapered in a direction parallel to the axis of one of the members.

359.1

. Longitudinally splined or fluted rod:

This subclass is indented under subclass 345. Subject matter wherein one of the members is a round slender bar provided with (a) one or more longitudinal ribs of greater radial extent than the rest of the periphery of the bar or (b) a plurality of longitudinal grooves.

SEE OR SEARCH THIS CLASS, SUBCLASS:

298,	for a fluted or splined inserted section.

359.2

.. Splayed or having a cam surface for anti-backlash:

	Subject matter under 359.1 wherein the bar is slotted around the circumference in order to spread the slotted bar end outward or having a lobe-like portion to minimize or prevent the play between movable parts caused by sudden movement e.g., during start-up.

359.3

.. Rod designed to be manipulable, e.g., twistable, within coupling for quick disconnect:

	Subject matter under 359.1 wherein the bar is designed to disengage by turning the bar with a motion that takes a short amount of time.

359.4

.. Including a means, e.g., spring biased portion, for misalignment correction:

	Subject matter under 359.1 wherein a bar receiving structure has a resilient, coiled device to assist in lining up the bar for insertion into the bar receiving structure.

359.5

.. Including a lock or retainer:

	Subject matter under 359.1 wherein the bar also has a device which fixes or holds the bar in place.

359.6

.. Specific angle or shape of rib, key, groove, or shoulder:

	Subject matter under 359.1 wherein the design of an elongated ridge or narrow channel has a particular degree of change from horizontal or vertical.

360	. Externally shouldered or headed rod

	This subclass is indented under subclass 345. Structure wherein one of the members is a rod having (a) a shoulder extending entirely around the periphery or (b) an enlargement on one end of the rod.

This subclass is indented under subclass 345. Structure wherein one of the members comprises a rod which is received in a recess in the other member and engages the bottom of the recess or a peripheral abutment therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

165,	for a rod end rotatably received in a socket.
244,	for a rod end associated with a socket formed by deforming or shaping a platelike member.
268,	for a molded joint comprising a socket for receiving bonding material.
276,	for a socket wherein a deforming element contacts the bottom thereof.

SEE OR SEARCH CLASS:

279,	Chucks and Sockets, subclasses 9.1+ for a connection between a holder and an object such as a tool, workpiece or rodlike body comprising a socket within the holder.

362	. Including set screw

	This subclass is indented under subclass 345. Structure wherein the members are radially related and one of the members has associated therewith a screw, which, when tightened, exerts a radial thrust against the other member.

363	. Interfitted angle or channel bars

	This subclass is indented under subclass 345. Structure wherein the members comprise a pair of angle or channel shaped bars which are interfitted in face to face relation.

364	. Interdigitated ends

	This subclass is indented under subclass 345. Structure wherein the ends of the members comprise a plurality of intermeshing projections.

365	. Radially interposed shim or bushing

This subclass is indented under subclass 345. Structure wherein a distinct component is interposed between two radially related members and separates a portion of one member from a portion of the other member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

225+,	for a flexible joint comprising an elastomeric component interposed between two radially spaced members.
243,	for a side engaging shim or bushing radially interposed between a rod end and an aperture in the side of a member through which the rod extends.
350+,	for a similar component which also functions as a rotary binding cam or wedge.

366	.. Biased by distinct radially acting means

	This subclass is indented under subclass 365. Structure wherein the component biased into engagement with one of the members by a distinct transversely acting means.

367	.. Wedging or camming

This subclass is indented under subclass 365. Structure wherein the component is a wedge or cam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

351,	for similar structure associated with a rotary binding cam or wedge.

368	... Engaged by axial movement

	This subclass is indented under subclass 367. Structure wherein the wedge or cam is engaged by movement thereof in a direction axial of one of the members.

369	.... Plural, circumferentially related shims between members

	This subclass is indented under subclass 368. Structure wherein the wedge or cam comprises a plurality of circumferentially related segments.

370	.... Threaded actuator

	This subclass is indented under subclass 368. Structure including a threaded component for actuating the wedge or cam.

371	.... Split or slotted bushing

	This subclass is indented under subclass 368. Structure wherein the wedge or cam is a split or slotted bushing.

372	.. Resilient

	This subclass is indented under subclass 365. Structure wherein the component is resilient.

373	. Clamped members

This subclass is indented under subclass 345. Structure comprising clamping means for securing the members together.

SEE OR SEARCH THIS CLASS, SUBCLASS:

350+,

for a rotary binding cam or wedge.

374.1

.. By wedge or cam:

	This subclass is indented under subclass 373. Subject matter including an eccentric or tapered means intended to secure or lock the members in place.

374.2

... Having actuator:

	This subclass is indented under subclass 374.1. Subject matter including a means intended to engage the locking means.

374.3

.... Threaded actuator:

	This subclass is indented under subclass 374.2. Subject matter including a means having a helical or spiral ridge, intended to secure the locking means.

374.4

..... Axially oriented:

	This subclass is indented under subclass 374.3. Subject matter wherein the means with the helical or spiral ridge is positioned parallel to the axis of two or more interfitted members.

374.5

.... Lever actuator:

	This subclass is indented under subclass 374.2. Subject matter including an elongate member which is pivoted on a fulcrum that serves as the actuator.

375	. Peripheral enlargement, depression, or slot on one member is joint component

This subclass is indented under subclass 345. Structure comprising a protuberance, depression, or slot on the periphery of one member which is essential to the joint.

SEE OR SEARCH THIS CLASS, SUBCLASS:

362,	for a flat or recessed portion on a rod for engaging a set screw.

376	. Including discrete retainer

	This subclass is indented under subclass 345. Structure wherein the members are provided with additional means (a) to secure them together or (b) to retain them in interfitted relationship.

377	.. For telescoping members

	This subclass is indented under subclass 376. Structure wherein the members are in telescoping relation.

378	... Transverse pin

	This subclass is indented under subclass 377. Structure wherein the additional means comprises a transverse pin.

379.1

.... Multiple retainers:

	This subclass is indented under subclass 378. Subject matter including two or more transverse pins.

379.2

.... Having means to prevent removal of retainer:

	This subclass is indented under subclass 378. Subject matter including a means such as a hitch-pin or spring clip to lock the transverse pin in place.

379.3

.... Bolt, rivet or screw:

	This subclass is indented under subclass 378. Subject matter including a head and a shank is either screwed into a mating threaded hole or peened into a nonthreaded hole.

379.4

.... Wedge pin:

	This subclass is indented under subclass 378. Subject matter wherein the pin is wedged or tapered and must be forced or driven into a connecting hole.

379.5

.... Sliding pin:

	This subclass is indented under subclass 378. Subject matter wherein the pin is slid into place with minimal effort.

379.6

.... Expansible retainer:

	This subclass is indented under subclass 378. Subject matter wherein the pin is capable of expanding in dimension (e.g., cotter pin, etc.).

380	.. For interfitted side faces

	This subclass is indented under subclass 376. Structure wherein the members are interfitted in side-to-side relation.

381	. Enlarged head in complementary recess, e.g., dovetail, etc.

This subclass is indented under subclass 345. Structure wherein one of the members comprises a tenon having a reduced neck portion and an enlarged head portion fitted in a correspondingly shaped recess in the other member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

331,	for a side slide-type joint between elongated colinear members.

SEE OR SEARCH CLASS:

433,	Dentistry, subclasses 181+ and 209 for dovetail or pin-head-type connections between artificial teeth or artificial tooth portions.

382	. Rigid angle

This subclass is indented under subclass 345. Structure wherein the members are disposed at an angle to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

347,	for interfitting crossing rods.
400,	for crossing rods.

383	. Non-circular rod section is joint component

	This subclass is indented under subclass 345. Structure wherein one of the members is a rod and a noncircular section of the rod is essential to the joint.

384	ROD SIDE TO PLATE OR SIDE

This subclass is indented under the class definition. Structure comprising a joint between the side of a rod and the side of another rod or a plate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188,	for an intermediate member joining a rod side and another rod side or a plate by independent connections.
230+,	wherein side characteristics of a rod are utilized in effecting a connection with the end of another rod transverse thereto.

385	. Connected by double clamp

	This subclass is indented under subclass 384. Structure wherein two rods are joined by a connector having a pair of distinct clamping means each of which is attached to a respective rod.

386	. Shackle is integral with or independently attached to proximate side of plate or other side

	This subclass is indented under subclass 384. Structure comprising means for gripping or encircling a rod which means is either integral with or is attached to the plate or the other rod side by a connection which is independent of the connection between the means and the first rod.

387	. Flanged or grooved rod

	This subclass is indented under subclass 384. Structure comprising two rods wherein at least one of the rods is provided with a flange or groove which is used in effecting the joint.

388	. Traversed by connector

	This subclass is indented under subclass 384. Structure wherein the members are joined by a connector which extends through apertures in each.

389	. Laterally spaced rods

	This subclass is indented under subclass 384. Structure comprising a joint between two rods which are held in laterally spaced relation.

390	.. By separable shim or bushing in connector

	This subclass is indented under subclass 389. Structure wherein the rods are secured by a connector comprising a separable element to maintain the rods in space relation.

391	.. Plural channels in connector

	This subclass is indented under subclass 389. Structure wherein the rods are joined by a connector having plural channels formed therein, each channel receiving a respective rod.

392	. Connected by flexible tie

This subclass is indented under subclass 384. Structure comprising a flexible strand which is twisted or bent about the rods or the rod and plate at their intersection to secure them together.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206+,

for an axially curved or bent portion of a rod which forms a joint component.

393	. Lapped rod ends

This subclass is indented under subclass 384. Structure comprising two rods overlapped at their respective ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

339+,

for overlapped rod ends which are interfitted and maintain a constant cross-section throughout the joint.

394	. Diagonal connector

	This subclass is indented under subclass 384. Structure wherein the members are angularly related to one another and a connector extends diagonally across the members at the joint.

395	. One rod held between bight and other rod extending through aperture in leg of connector

	This subclass is indented under subclass 384. Structure wherein two rods are joined by a connector which is in the form of a yoke, and the legs of the yoke are provided with apertures through which one rod extends, the other rod being held between the bight of the yoke and the first mentioned rod.

396	. Two rods encompassed by single connector

	This subclass is indented under subclass 384. Structure comprising two rods joined by a connector which completely encompasses both of them.

397	. Resilient clip

	This subclass is indented under subclass 384. Structure wherein the two members are secured together by a resilient clip.

398	. Yoke or ring-type connector

	This subclass is indented under subclass 384. Structure wherein the members are connected by a U-shaped connector, at least one of the members being contained within the bight thereof.

399	.. Rod received in open channel

	This subclass is indented under subclass 398. Structure wherein the connector comprises an open channel which receives a rod.

400	. Crossed rods

This subclass is indented under subclass 384. Structure wherein the members comprise a pair of crossed rods.

SEE OR SEARCH THIS CLASS, SUBCLASS:

346+,

for interfitted crossing rods.

This subclass is indented under the class definition. Structure wherein the ends of the members are beveled or angled and are joined so that the members extend at an angle to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

339+,

for a scarf joint between two rods.

SEE OR SEARCH CLASS:

52,	Static Structures (e.g., Buildings), subclass 657 for corner joints in openwork structures there provided there provided for.
160,	Flexible or Portable Closure, Partition, or Panel, subclass 381 for corner structure of framed type panels there provided for.
238,	Railways: Surface Track, subclasses 230+ for a scarf joint between two railway track sections.

402	. Connector bridges inner or outer periphery

	This subclass is indented under subclass 401. Structure wherein a part of a connecting element extends across the juncture of the members, said part being disposed on either the inner or outer peripheral surface of the members.

This subclass is indented under the class definition. Structure wherein the members extend at an angle with respect to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205,	for a rigid angle coupling 383 for interfitted members joined at a rigid angle.
401,	for a mit joint

404	PARTICULAR CONFIGURATION OR MATERIAL OF MEMBER

This subclass is indented under the class definition. Structure wherein at least one member is modified or particularly shaped at the locus of the connection or is made of a particular material and wherein the modification, shape, or material is essential to the connection.

SEE OR SEARCH CLASS:

411,	Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener, appropriate subclasses for a member modified only to provide a preformed aperture to receive a bolt, screw, nail, rivet, etc.

408.1

Joining piece extending through aligned openings in plural members:

	This subclass is indented under subclass 405.1. Subject matter comprising at least two components each having at least one aperture and the connector extends through the coaxial apertures.

409.1

Having a cam, wedge, or tapered portion:

This subclass is indented under subclass 405.1. Subject matter wherein one part of the connector: has a lobe-like section; is a triangular shaped block; or is progressively narrowed toward one edge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

314,	for member wedging or camming means of distinct end coupler.
343,	for screw or cam.
367,	for wedging or camming of radially interposed shim or bushing for interfitted members.
374.1,	for interfitted members clamped by a wedge or cam.

	Foreign art collection wherein one member extends into the other and is longitudinally movable therein.

	Foreign art collection comprising two or more interrelated mechanical elements for operating the latch.

	Foreign art collection wherein the clamping means comprises a wedge or cam.

	Foreign art collection wherein the pin passes entirely through at least one member.