Class   182	FIRE ESCAPE, LADDER, OR SCAFFOLD
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MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER

2.1

MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT

2.2

. (1 indent ) Adjustable to plural operating positions

2.3

. (1 indent ) Swingable support

2.4

.. (2 indent ) Of dielectric material

2.5

.. (2 indent ) Ladder associated

2.6

.. (2 indent ) Providing access to underside of elevated surface

2.7

.. (2 indent ) Parallelogram linkage

2.8

.. (2 indent ) Foldable hinged support

2.9

... (3 indent ) Hydraulically operated

2.11

.. (2 indent ) Telescopic support

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TORSO HARNESS

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. (1 indent ) Window washer type

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. (1 indent ) Attached to strand wound on reel, and means for retarding unwinding of strand

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.. (2 indent ) Including spring for rewinding strand

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.. (2 indent ) Fluid resistance brake

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.. (2 indent ) Movable, friction brake element applied by centrifugal force

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.. (2 indent ) Friction brake and occupant-operated mechanism for applying brake during descent

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. (1 indent ) Strand-engaging, with descent retarder

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.. (2 indent ) Leg or loop type

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.. (2 indent ) With seat

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. (1 indent ) Ladder-associated

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. (1 indent ) With pole encircling or grasping means

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INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG

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. (1 indent ) Occupant-controlled

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HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE

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. (1 indent ) Occupant actuation or control

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.. (2 indent ) Occupant-controlled ascent or descent

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.. (2 indent ) Holding means

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. (1 indent ) With handle or steering means

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. (1 indent ) Holding means

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WITH INDICATOR, SIGNAL OR ALARM

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AUTOMATIC CONTROL

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CONVERTIBLE

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. (1 indent ) Ladder

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.. (2 indent ) Ladder of different type

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... (3 indent ) Stepladder prop pivoted to inverted position

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.... (4 indent ) Stile and prop end abutting

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.... (4 indent ) With spreader or tie

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... (3 indent ) Stepladder type with variable prop and ladder connection

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.. (2 indent ) Scaffold

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.. (2 indent ) Table

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... (3 indent ) Ironing board

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.... (4 indent ) Board as pivoted ladder prop

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....• (5 indent ) Crossed leg board support

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... (3 indent ) Wash stand

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.. (2 indent ) Chair or stool

33.2

... (3 indent ) Bottom and legs invert to unveil ladder

33.3

... (3 indent ) Steps on chair back

33.4

.... (4 indent ) Fixed steps

33.5

... (3 indent ) Step withdraws from beneath seat

33.6

.... (4 indent ) End-for-end turnout

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.. (2 indent ) Bed

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. (1 indent ) Furniture

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TRAVERSING, TRACK-MOUNTED

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. (1 indent ) With occupant elevating or lowering means

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. (1 indent ) With vertically spaced second track

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. (1 indent ) Ground- or floor-engaging

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UPWARDLY EXTENSIBLE FLEXIBLE LADDER OR ESCAPE

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. (1 indent ) Self-rigidifying

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ENDLESS CONVEYER ESCAPE

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. (1 indent ) Top and bottom support

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.. (2 indent ) With pivoted or folding attached carrier

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PITCHED ROOF CONFORMING SCAFFOLD

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WITH INSULATION

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. (1 indent ) Fire or heat shield

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CHUTE OR ESCAPE TOWER FOR PERSONNEL

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. (1 indent ) With ladder

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WITH PROJECTOR OR PROJECTILE

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WITH FLUID HANDLING

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. (1 indent ) Conduit is support

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DETACHABLE WINDOW SEAT TYPE

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. (1 indent ) With step or additional platform

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. (1 indent ) Platform below window

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. (1 indent ) Extensible platform

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. (1 indent ) Interior wall-engaging means

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.. (2 indent ) Depending

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... (3 indent ) Saddle

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.... (4 indent ) Wall-clamping means

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.... (4 indent ) Exterior strut

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.. (2 indent ) With outside strut or brace

62.5

WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS

63.1

HAVING TRANSPOSITIONING BASE AND ERECTING MEANS

64.1

. (1 indent ) Ladder pivotably mounted on transpositioning base (e.g., on vehicle)

65.1

.. (2 indent ) About vertical axis

66.1

... (3 indent ) Extension ladder (i.e., ladder having sliding section)

66.2

.... (4 indent ) Motor operated

67.1

.... (4 indent ) Manually operated

67.2

....• (5 indent ) By use of screw

67.3

....• (5 indent ) By use of gear

67.4

... (3 indent ) Folding ladder

67.5

... (3 indent ) Having screw rod for erecting ladder about horizontal pivot

68.1

.. (2 indent ) Extension ladder pivotally mounted to be erected about a horizontal axis

68.2

... (3 indent ) Having winch means for erecting ladder

68.3

... (3 indent ) Having gear means for erecting ladder

69.1

... (3 indent ) Having lazy tong extending means

69.2

.... (4 indent ) And winch to actuate lazy tong

69.3

.... (4 indent ) And gear to actuate lazy tong

69.4

. (1 indent ) Telescopic erecting means

69.5

. (1 indent ) Erecting means actuated by lazy tong

69.6

. (1 indent ) And platform elevatable relative to its support

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WITH STORAGE DEVICE FOR SUPPLE ESCAPE

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. (1 indent ) Reel

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.. (2 indent ) Escape of ladder type lowers upon release of latch

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... (3 indent ) With retarder or brake on reel

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.. (2 indent ) With means for retarding unwinding of strand type escape

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... (3 indent ) Including spring for rewinding strand

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... (3 indent ) Fluid resistance brake

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... (3 indent ) Movable, friction brake element applied by centrifugal force

240

... (3 indent ) Friction brake and occupant-operated mechanism for applying brake during descent

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. (1 indent ) Occupant weight-actuated descent device

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. (1 indent ) Occupant-controlled descent retarder

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. (1 indent ) Wall-embedded

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DOOR AND LADDER

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. (1 indent ) Door operates ladder

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.. (2 indent ) Guided rigid ladder

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... (3 indent ) Guide on wall or frame

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.. (2 indent ) Door and ladder on opposite sides of wall

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WALL- OR FLOOR-ATTACHED

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. (1 indent ) Wall-mounted platform, with ladder

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.. (2 indent ) Movable platform with movable ladder

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.. (2 indent ) Movable ladder

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... (3 indent ) Pivoted

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. (1 indent ) Embedded scaffold support member

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. (1 indent ) Retractable or collapsible beneath floor, track-mounted

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. (1 indent ) Spring-biased pivoted step or ladder

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. (1 indent ) Independent rung or step

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.. (2 indent ) Pivoted

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.. (2 indent ) Readily detachable

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. (1 indent ) Ladder

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.. (2 indent ) Wall penetrating operating means

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.. (2 indent ) Folding, rigid components

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... (3 indent ) Parallelogram type

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.. (2 indent ) Pivoted

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... (3 indent ) Normally counterbalanced to inoperative position

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.. (2 indent ) With portion overhanging roof

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. (1 indent ) Single pole or strand

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LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE

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. (1 indent ) Ladder supports platform

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.. (2 indent ) Stile or prop-guided carriage

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PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING

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. (1 indent ) Central upright ladder section supported therebetween

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WITH HANDRAIL OR GUARD FOR LADDER

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SAFETY DEVICE FOR GROUND-SUPPORTED LADDER

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. (1 indent ) Terminal foot or shoe

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.. (2 indent ) Diverse ground-engaging means

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.. (2 indent ) Suction cup

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.. (2 indent ) Pivotal component

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SAFETY DEVICE, PLATFORM ASSOCIATED

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. (1 indent ) Railing

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WITH SUCKER ROD SUPPORT

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LADDER AND PLATFORM

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. (1 indent ) Platform with ladder as support

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.. (2 indent ) Between spaced ladders

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... (3 indent ) Facing ladders

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.... (4 indent ) Readily detachable platform

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.. (2 indent ) Detachable step, single ladder

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... (3 indent ) Plural rung-engaging

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.... (4 indent ) Stile-contacting

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.. (2 indent ) Plural platforms

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.. (2 indent ) Ladder with pivoted ladder prop and pivoted platform

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.. (2 indent ) Platform positioned by ladder and prop divergence

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.. (2 indent ) Prop-pivoted platform

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LADDER WITH LAND VEHICLE

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SCAFFOLD SUPPORTED INTERNALLY ON SHAFT

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COMBINED

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PLURAL PLATFORMS, COMMON SUPPORT

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. (1 indent ) Mounted for relative motion

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. (1 indent ) Stepped

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POLE OR STRAND GRASPING-TYPE CLIMBER

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. (1 indent ) Foot- or leg-attachable

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.. (2 indent ) With diverse holding means for occupant

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. (1 indent ) Alternate grasping

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BODY CATCHER

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. (1 indent ) Sheet or net type

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.. (2 indent ) Tensioned peripherally

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.. (2 indent ) Folding base

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PLATFORM WITH ELEVATING OR LOWERING MEANS

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. (1 indent ) Suspended

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.. (2 indent ) Simultaneously operable suspension means

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... (3 indent ) Platform continuously level

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.. (2 indent ) Separate (i.e., nonwork) support for suspension means

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... (3 indent ) Platform holding detent coacts with support

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.. (2 indent ) Plural distinct elevating means

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. (1 indent ) Operating means on platform

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. (1 indent ) Trestle-type support, beam-elevating

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SUSPENDED PLATFORM

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KIT OR SEPARABLE PARTS

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UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER

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. (1 indent ) Trestle

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.. (2 indent ) Crossed leg

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.. (2 indent ) Legs foldable parallel to beam axis in all planes

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. (1 indent ) Collapsible ladder

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.. (2 indent ) Lazy tong type

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... (3 indent ) Mechanical or power-extending means

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.. (2 indent ) Parallel moving side, pivoted rung or step

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... (3 indent ) Storage providing component

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... (3 indent ) Plural element stile

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... (3 indent ) With collapsible prop

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.. (2 indent ) Folding stile

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... (3 indent ) Rung-to-rung stile sections

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LADDER WITH PIVOTED PROP

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. (1 indent ) Section extensible below prop pivot

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.. (2 indent ) With step registration

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. (1 indent ) Coplanar extension with prop pivoted to lower section

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. (1 indent ) Single rear prop, pole type

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. (1 indent ) Rear prop, laterally moving

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. (1 indent ) Converging and contacting stiles or props

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. (1 indent ) Lateral prop

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. (1 indent ) Hinged to top-step rear flange

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. (1 indent ) Pivoted to top-step cleat

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.. (2 indent ) With cleat spaced spreader or tie

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... (3 indent ) Multiple link folding spreader

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. (1 indent ) Overlapping stile and prop

178.1

STACKABLE

178.2

. (1 indent ) Ladder section

178.3

.. (2 indent ) Male and female connecting means

178.4

.. (2 indent ) Overlapping sections

178.5

. (1 indent ) Male and female connecting means

178.6

.. (2 indent ) Double-ended pin

179.1

SELF-SUSTAINING

180.1

. (1 indent ) Ladder

180.2

.. (2 indent ) Having supporting base

180.3

... (3 indent ) Vertically pivoted to supporting base

181.1

. (1 indent ) Scaffold horse (e.g., trestle)

182.1

.. (2 indent ) Having height adjustable beam

182.2

... (3 indent ) By extensible leg brace

182.3

.... (4 indent ) Step-by-step adjustment

182.4

... (3 indent ) By slidable leg

182.5

... (3 indent ) By extensible leg

183.1

.. (2 indent ) Having longitudinally extensible beam

185.1

.. (2 indent ) Having unitary leg to beam coupler and brace

186.1

.. (2 indent ) Beam clamped by leg actuation

186.2

... (3 indent ) Pivotally connected legs

186.3

.. (2 indent ) Having leg to beam attaching bracket

186.4

.. (2 indent ) Leg coupled directly to beam

186.5

.. (2 indent ) Knockdown

186.6

. (1 indent ) Having height adjustable platform

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. (1 indent ) Connector for horizontal or diagonal brace

186.8

.. (2 indent ) Releasable connector

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. (1 indent ) Having cantilivered auxillary platform

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SCAFFOLD EXTERNAL OF SHAFT

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. (1 indent ) Horizontally adjustable

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SINGLE STILE, STRAND OR POLE

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. (1 indent ) Flexible

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.. (2 indent ) With sliding carrier

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... (3 indent ) Load-responsive brake

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... (3 indent ) Occupant-actuated brake

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LADDER

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. (1 indent ) Slidable nested single rung units

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. (1 indent ) Flexible

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.. (2 indent ) With spacer

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... (3 indent ) Rung-attached

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.. (2 indent ) Plural spaced strand stile member

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. (1 indent ) Supporting surface compensating means

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.. (2 indent ) Stile extension

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... (3 indent ) Equalizing extensions

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... (3 indent ) Rung-engaging means

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... (3 indent ) Increment adjustment

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.... (4 indent ) Ratchet type

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. (1 indent ) With hook or grab

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. (1 indent ) Extension

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.. (2 indent ) Mechanical or power-extending

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.. (2 indent ) With latch

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... (3 indent ) Section movement actuated

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.... (4 indent ) Spring-biased latch

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... (3 indent ) With remote control of latch

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.... (4 indent ) Elevating cable actuated

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. (1 indent ) With spacer means

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. (1 indent ) Rung sandwiched between elements of composite stile

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. (1 indent ) Tie rod assembled

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. (1 indent ) With reinforcing means

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.. (2 indent ) Bow string type

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.. (2 indent ) For side rail

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. (1 indent ) Independent support for rung

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LEG OR SHOE ATTACHABLE POLE CLIMBER

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PLATFORM

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. (1 indent ) Relatively movable sections

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SCAFFOLD HORSE BEAM OR LEG

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. (1 indent ) Relatively movable

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.. (2 indent ) Beam clamped by pivoting leg

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.. (2 indent ) With intermediate staff

228.1

RUNG OR RUNG-TO-STILE CONNECTION

228.2

. (1 indent ) Rung having anti-skid surface

228.3

. (1 indent ) Bracket-type connection

228.4

. (1 indent ) Sleeve-type connection

228.5

. (1 indent ) Rung for a motor vehicle

228.6

. (1 indent ) Hollow rung

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PUTLOG OR SPACER

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MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND

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