Class 279: CHUCKS OR SOCKETS ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
279
CHUCKS OR SOCKETS

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

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Subclass		Title
ClassTitle		===> CHUCKS OR SOCKETS

2.01		EXPANDING
2.02		. Collet type
2.03		. . Fixed jaws and moving cam
2.04		. . Fixed cam and moving jaws
2.05		. Jaws mounted on flexible member; i.e., diaphragm
2.06		. Fluid-pressure actuator
2.07		. . Directly expanding jaws
2.08		. . . Jaw is expansible chamber; i.e., bladder type
2.09		. . Expanding jaws via mechanical connection
2.1		. Axially moving actuator
2.11		. . Wedge
2.12		. . . Internal cone
2.13		. . . With jaw positively interlocked with wedge; e.g., dovetail or T-slot
2.14		. . . With resilient means contacting nonresilient jaw
2.15		. . . . Constricting band, annulus, or clip
2.16		. . Toggle
2.17		. . Axially compressible element expands radially
2.18		. . Lever
2.19		. Rotary actuator
2.2		. . Clutch or self-actuating type
2.21		. Jaw structure
2.22		. . Resilient
2.23		. . Ball or roller
2.24		. . Pivoted
3		VACUUM
4.01		WITH FLUID-PRESSURE ACTUATOR
4.02		. With measuring, indicating or control means
4.03		. Jaw is expansible chamber; i.e., bladder type
4.04		. Pneumatic type
4.05		. Jaws mounted on flexible member; i.e., diaphragm
4.06		. Socket type
4.07		. . Collet
4.08		. . . Fixed cam and moving jaws
4.09		. . . Moving cam and fixed jaws
4.1		. Radially reciprocating jaws
4.11		. . Fluid pressure directly moves jaws
4.12		. . Fluid pressure moves jaws via mechanical connection
5		ANGULARLY ADJUSTABLE OR INDEXING
6		ECCENTRIC
7		THREADED GRIP
8		LONGITUDINAL SCREW CLAMP
9.1		SOCKET TYPE
14		. Multiple alternative
16		. Self-centering of floating
17		. . Radially reciprocating jaws
18		. . Transverse holder and setscrew
19		. Lost motion
19.1		. . Swinging external yoke or detent
19.2		. . . Rotary socket
19.3		. . Rotary socket
19.4		. . Spreading elements
19.5		. . Key retainer
19.6		. . Sleeve type retainer
19.7		. . . Sleeve in socket
20		. Fluid-conduit drill holding
20.1		. Feed type
		. Self-grasping
		. . Yielding grasping jaws
22		. . . Ball or roller
23.1		. . . Spring jaws
24		. . Yielding detent
		. . One-way-clutch type
28		. . . Wedge
29		. . . Side detent
30		. . . . Ball or roller
32		. Conical clamp threaded in socket
33		. Transversely oscillating jaws
34		. . Screw actuated
35		. Pivoted jaws
		. . Moving-cam actuator
36		. . . Threaded cam sleeve
37		. . . Reciprocating cam sleeve
38		. . Fixed cam and moving jaws
39		. . . Axial screw actuator
40		. . . Threaded-sleeve actuator
		. Resilient split socket
42		. . Threaded cam sleeve
43		. . Reciprocating cam sleeve
43.1		. . Unitary
43.2		. . . Split at one end only
43.3		. . . . Transverse screw actuator
43.4		. . . . Cam actuator
43.5		. . . Split end to end
43.6		. . . With jaw pads or insert
43.7		. . Nonresilient member biased by a resilient member
43.8		. . Resilient member reinforced by another resilient member
43.9		. With means to exclude contaminants; e.g., seal, shield
44		. One movable side
45		. . Sleeved
46.1		. Spring biased jaws
46.2		. . Unitary
46.3		. . . Split at one end only
46.4		. . . Split at both ends
46.5		. . . Split end to end
46.6		. . . With jaw pads or insert
46.7		. . Nonresilient member biased by a resilient member
46.8		. . Resilient member reinforced by another resilient member
46.9		. . With means to exclude contaminants; e.g., seal, shield
		. . Moving-cam actuator
47		. . . Threaded sleeve and wedge
48		. . . Threaded cam sleeve
49		. . . . Loose jaws
50		. . . Reciprocating cam sleeve
51		. . Fixed cam and moving jaws
52		. . . Threaded-sleeve actuator
53		. . . Axial screw actuator
54		. . Loose jaws
55		. Loose jaws
		. . Moving-cam actuator
56		. . . Threaded cam sleeve
57		. . . Reciprocating cam sleeve
58		. . Fixed cam and moving jaws
59		. . . Threaded sleeve and body
60		. Obliquely guided reciprocating jaws
61		. . Threaded sleeve and jaw
62		. . . Conical sleeve
63		. . Threaded central cone and jaw
64		. . Threaded sleeve and body
65		. . Reciprocating jaw advancing sleeve
66		. Radially reciprocating jaws
67		. . Transverse-screw actuated
68		. . . Interlaced jaws
		. . Moving-cam actuator
69		. . . Threaded cam sleeve
70		. . . Threaded sleeve and wedge
71		. . . Rotary eccentric-cam sleeve
72		. . . . Roller and rocking jaw
73		. . . . Worm actuated
74		. . . Reciprocating cam sleeve
75		. . . . Ball or roller jaws
76		. Side detent
77		. . Pivoted or rotary
78		. . . Sleeved
79		. . Spring
80		. . . Sleeved
81		. . Rotary cam sleeve
82		. . Reciprocating sleeve
83		. . Set screw
84		. . U-clamp
85		. . Plural bolt
86		. . Single transverse bolt
87		. . Longitudinal clamping wedge
89		. Shouldered-tang holding
90		. . Cap
91		. . . Screw
93		. Tang offset within socket
94		. Tang offset without socket
95		. Bottomless
96		. . Friction grip
97		. Transverse pin
99		. Screw threaded
100		. . Nut lock
101		. . . Threaded sleeve
102		. Friction grip
103		. . Drill type
104		. Barbed or pronged tang
105		. Molded or cast-in tang
105.1		. Adjustable length or size
106		PIVOTED JAW
107		. Cam-sleeve actuated
108		. Internal-cone actuated
109		. Toggle actuated
110		RADIALLY RECIPROCATING JAWS
111		. With indicator
112		. Transverse-screw actuated
113		. . Annular rack
114		. Spiral cam or scroll actuated
115		. . Worm
116		. . Bevel pinion
117		. Rack-and-pinion actuated
118		. Toggle actuated
119		. Lever actuated
120		. . Internal cone
121		. Wedge actuated
122		. External-cone actuated
123		. Jaws
124		. . With means to facilitate jaw removal
125		WITH SAFETY FEATURE
126		WITH MEASURING, INDICATING OR CONTROL MEANS
127		DOUBLE ACTING
128		WITH MAGNETIC OR ELECTROSTATIC MEANS
129		BY CENTRIFUGAL FORCE
130		. To counterbalance jaws
131		. To grip tool or workpiece
132		COMPENSATION FOR ECCENTRICITY
133		WITH CENTERING MEANS
134		SEPARATE CHUCK-ACTUATING POWER SOURCE
135		. Self-contained
136		FOR GEAR OR SPLINE MOLDING
137		MORE THAN ONE SET OF GRIPPING MEANS
138		TORSION MANDREL
139		JAWS MOUNTED ON FLEXIBLE MEMBER; I.E., DIAPHRAGM
140		MEANS TO PREVENT JAW LOOSENING
141		MEMBER APPLIES AXIAL FORCE COMPONENT
142		ACCESSORY OR COMPONENT
143		. Adapter
144		. . Drive conversion
145		. . For particular tool or workpiece
146		. Sliding cam chuck actuator
147		. Chuck key
148		. . Safety feature; e.g., ejector, interlock
149		. . Key holding or attaching means
150		. . Nonseparable or built-in
151		. Padded or cushioned jaw
152		. Jaw insert
153		. . Machinable jaw
154		. . . Locking or positioning means
155		. Tool or workpiece ejector
156		. Tool or work stop or locator
157		. Protection means; e.g., cover, seal, overstress prevention, air blast
158		MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTIONS
		******************************
900		ADAPTED FOR AUTOMATIC TOOL CHANGER
901		CHUCK OR CHUCK JAW CHANGING MEANS
902		KEYLESS TYPE SOCKET
903		NEEDLE ROLLER TYPE SOCKET
904		QUICK CHANGE SOCKET
905		. With ball detent
906		SELF GRASPING SOCKET
907		WASHER TYPE JAW OR ACTUATOR

Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 279 CHUCKS OR SOCKETS

Manual of U.S. Patent Classification
as of June 30, 2000

Class
279
CHUCKS OR SOCKETS