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

Class
182
FIRE ESCAPE, LADDER, OR SCAFFOLD

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

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> FIRE ESCAPE, LADDER, OR SCAFFOLD
1		MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER
2.1		MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT
2.2		. Adjustable to plural operating positions
2.3		. Swingable support
2.4		. . Of dielectric material
2.5		. . Ladder associated
2.6		. . Providing access to underside of elevated surface
2.7		. . Parallelogram linkage
2.8		. . Foldable hinged support
2.9		. . . Hydraulically operated
2.11		. . Telescopic support
3		TORSO HARNESS
4		. Window washer type
231		. Attached to strand wound on reel, and means for retarding unwinding of strand
232		. . Including spring for rewinding strand
233		. . Fluid resistance brake
234		. . Movable, friction brake element applied by centrifugal force
235		. . Friction brake and occupant-operated mechanism for applying brake during descent
5		. Strand-engaging, with descent retarder
6		. . Leg or loop type
7		. . With seat
8		. Ladder-associated
9		. With pole encircling or grasping means
10		INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG
11		. Occupant-controlled
12		HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE
13		. Occupant actuation or control
14		. . Occupant-controlled ascent or descent
15		. . Holding means
16		. With handle or steering means
17		. Holding means
18		WITH INDICATOR, SIGNAL OR ALARM
19		AUTOMATIC CONTROL
20		CONVERTIBLE
21		. Ladder
22		. . Ladder of different type
23		. . . Stepladder prop pivoted to inverted position
24		. . . . Stile and prop end abutting
25		. . . . With spreader or tie
26		. . . Stepladder type with variable prop and ladder connection
27		. . Scaffold
28		. . Table
29		. . . Ironing board
30		. . . . Board as pivoted ladder prop
31		. . . . . Crossed leg board support
32		. . . Wash stand
33		. . Chair or stool
33.2		. . . Bottom and legs invert to unveil ladder
33.3		. . . Steps on chair back
33.4		. . . . Fixed steps
33.5		. . . Step withdraws from beneath seat
33.6		. . . . End-for-end turnout
34		. . Bed
35		. Furniture
36		TRAVERSING, TRACK-MOUNTED
37		. With occupant elevating or lowering means
38		. With vertically spaced second track
39		. Ground- or floor-engaging
40		UPWARDLY EXTENSIBLE FLEXIBLE LADDER OR ESCAPE
41		. Self-rigidifying
42		ENDLESS CONVEYER ESCAPE
43		. Top and bottom support
44		. . With pivoted or folding attached carrier
45		PITCHED ROOF CONFORMING SCAFFOLD
46		WITH INSULATION
47		. Fire or heat shield
48		CHUTE OR ESCAPE TOWER FOR PERSONNEL
49		. With ladder
50		WITH PROJECTOR OR PROJECTILE
51		WITH FLUID HANDLING
52		. Conduit is support
53		DETACHABLE WINDOW SEAT TYPE
54		. With step or additional platform
55		. Platform below window
56		. Extensible platform
57		. Interior wall-engaging means
58		. . Depending
59		. . . Saddle
60		. . . . Wall-clamping means
61		. . . . Exterior strut
62		. . With outside strut or brace
62.5		WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS
63.1		HAVING TRANSPOSITIONING BASE AND ERECTING MEANS
64.1		. Ladder pivotably mounted on transpositioning base (e.g., on vehicle)
65.1		. . About vertical axis
66.1		. . . Extension ladder (i.e., ladder having sliding section)
66.2		. . . . Motor operated
67.1		. . . . Manually operated
67.2		. . . . . By use of screw
67.3		. . . . . By use of gear
67.4		. . . Folding ladder
67.5		. . . Having screw rod for erecting ladder about horizontal pivot
68.1		. . Extension ladder pivotally mounted to be erected about a horizontal axis
68.2		. . . Having winch means for erecting ladder
68.3		. . . Having gear means for erecting ladder
69.1		. . . Having lazy tong extending means
69.2		. . . . And winch to actuate lazy tong
69.3		. . . . And gear to actuate lazy tong
69.4		. Telescopic erecting means
69.5		. Erecting means actuated by lazy tong
69.6		. And platform elevatable relative to its support
70		WITH STORAGE DEVICE FOR SUPPLE ESCAPE
73		. Reel
74		. . Escape of ladder type lowers upon release of latch
75		. . . With retarder or brake on reel
236		. . With means for retarding unwinding of strand type escape
237		. . . Including spring for rewinding strand
238		. . . Fluid resistance brake
239		. . . Movable, friction brake element applied by centrifugal force
240		. . . Friction brake and occupant-operated mechanism for applying brake during descent
71		. Occupant weight-actuated descent device
72		. Occupant-controlled descent retarder
76		. Wall-embedded
77		DOOR AND LADDER
78		. Door operates ladder
79		. . Guided rigid ladder
80		. . . Guide on wall or frame
81		. . Door and ladder on opposite sides of wall
82		WALL- OR FLOOR-ATTACHED
83		. Wall-mounted platform, with ladder
84		. . Movable platform with movable ladder
85		. . Movable ladder
86		. . . Pivoted
87		. Embedded scaffold support member
88		. Retractable or collapsible beneath floor, track-mounted
89		. Spring-biased pivoted step or ladder
90		. Independent rung or step
91		. . Pivoted
92		. . Readily detachable
93		. Ladder
94		. . Wall penetrating operating means
95		. . Folding, rigid components
96		. . . Parallelogram type
97		. . Pivoted
98		. . . Normally counterbalanced to inoperative position
99		. . With portion overhanging roof
100		. Single pole or strand
101		LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE
102		. Ladder supports platform
103		. . Stile or prop-guided carriage
104		PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING
105		. Central upright ladder section supported therebetween
106		WITH HANDRAIL OR GUARD FOR LADDER
107		SAFETY DEVICE FOR GROUND-SUPPORTED LADDER
108		. Terminal foot or shoe
109		. . Diverse ground-engaging means
110		. . Suction cup
111		. . Pivotal component
112		SAFETY DEVICE, PLATFORM ASSOCIATED
113		. Railing
114		WITH SUCKER ROD SUPPORT
115		LADDER AND PLATFORM
116		. Platform with ladder as support
117		. . Between spaced ladders
118		. . . Facing ladders
119		. . . . Readily detachable platform
120		. . Detachable step, single ladder
121		. . . Plural rung-engaging
122		. . . . Stile-contacting
123		. . Plural platforms
124		. . Ladder with pivoted ladder prop and pivoted platform
125		. . Platform positioned by ladder and prop divergence
126		. . Prop-pivoted platform
127		LADDER WITH LAND VEHICLE
128		SCAFFOLD SUPPORTED INTERNALLY ON SHAFT
129		COMBINED
130		PLURAL PLATFORMS, COMMON SUPPORT
131		. Mounted for relative motion
132		. Stepped
133		POLE OR STRAND GRASPING-TYPE CLIMBER
134		. Foot- or leg-attachable
135		. . With diverse holding means for occupant
136		. Alternate grasping
137		BODY CATCHER
138		. Sheet or net type
139		. . Tensioned peripherally
140		. . Folding base
141		PLATFORM WITH ELEVATING OR LOWERING MEANS
142		. Suspended
143		. . Simultaneously operable suspension means
144		. . . Platform continuously level
145		. . Separate (i.e., nonwork) support for suspension means
146		. . . Platform holding detent coacts with support
147		. . Plural distinct elevating means
148		. Operating means on platform
149		. Trestle-type support, beam-elevating
150		SUSPENDED PLATFORM
151		KIT OR SEPARABLE PARTS
152		UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER
153		. Trestle
154		. . Crossed leg
155		. . Legs foldable parallel to beam axis in all planes
156		. Collapsible ladder
157		. . Lazy tong type
158		. . . Mechanical or power-extending means
159		. . Parallel moving side, pivoted rung or step
160		. . . Storage providing component
161		. . . Plural element stile
162		. . . With collapsible prop
163		. . Folding stile
164		. . . Rung-to-rung stile sections
165		LADDER WITH PIVOTED PROP
166		. Section extensible below prop pivot
167		. . With step registration
168		. Coplanar extension with prop pivoted to lower section
169		. Single rear prop, pole type
170		. Rear prop, laterally moving
171		. Converging and contacting stiles or props
172		. Lateral prop
173		. Hinged to top-step rear flange
174		. Pivoted to top-step cleat
175		. . With cleat spaced spreader or tie
176		. . . Multiple link folding spreader
177		. Overlapping stile and prop
178.1		STACKABLE
178.2		. Ladder section
178.3		. . Male and female connecting means
178.4		. . Overlapping sections
178.5		. Male and female connecting means
178.6		. . Double-ended pin
179.1		SELF-SUSTAINING
180.1		. Ladder
180.2		. . Having supporting base
180.3		. . . Vertically pivoted to supporting base
181.1		. Scaffold horse (e.g., trestle)
182.1		. . Having height adjustable beam
182.2		. . . By extensible leg brace
182.3		. . . . Step-by-step adjustment
182.4		. . . By slidable leg
182.5		. . . By extensible leg
183.1		. . Having longitudinally extensible beam
185.1		. . Having unitary leg to beam coupler and brace
186.1		. . Beam clamped by leg actuation
186.2		. . . Pivotally connected legs
186.3		. . Having leg to beam attaching bracket
186.4		. . Leg coupled directly to beam
186.5		. . Knockdown
186.6		. Having height adjustable platform
186.7		. Connector for horizontal or diagonal brace
186.8		. . Releasable connector
186.9		. Having cantilivered auxillary platform
187		SCAFFOLD EXTERNAL OF SHAFT
188		. Horizontally adjustable
189		SINGLE STILE, STRAND OR POLE
190		. Flexible
191		. . With sliding carrier
192		. . . Load-responsive brake
193		. . . Occupant-actuated brake
194		LADDER
195		. Slidable nested single rung units
196		. Flexible
197		. . With spacer
198		. . . Rung-attached
199		. . Plural spaced strand stile member
200		. Supporting surface compensating means
201		. . Stile extension
202		. . . Equalizing extensions
203		. . . Rung-engaging means
204		. . . Increment adjustment
205		. . . . Ratchet type
206		. With hook or grab
207		. Extension
208		. . Mechanical or power-extending
209		. . With latch
210		. . . Section movement actuated
211		. . . . Spring-biased latch
212		. . . With remote control of latch
213		. . . . Elevating cable actuated
214		. With spacer means
215		. Rung sandwiched between elements of composite stile
216		. Tie rod assembled
217		. With reinforcing means
218		. . Bow string type
219		. . For side rail
220		. Independent support for rung
221		LEG OR SHOE ATTACHABLE POLE CLIMBER
222		PLATFORM
223		. Relatively movable sections
224		SCAFFOLD HORSE BEAM OR LEG
225		. Relatively movable
226		. . Beam clamped by pivoting leg
227		. . With intermediate staff
228.1		RUNG OR RUNG-TO-STILE CONNECTION
228.2		. Rung having anti-skid surface
228.3		. Bracket-type connection
228.4		. Sleeve-type connection
228.5		. Rung for a motor vehicle
228.6		. Hollow rung
229		PUTLOG OR SPACER
241		MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND
230		MISCELLANEOUS

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Questions regarding this report should be directed to:

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Information Products Division
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tel: (703) 306-2600
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Last Modified: 6 October 2000