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Class Information
Number: 182
Name: Fire escape, ladder, or scaffold >
Description: This class includes (1) structures supported in spaced relation to the earth"s surface for supporting a workman adjacent a structure being worked on, (2) means for climbing comprising a stile having steps or rungs, (3) means ancillary to normal egress means to traverse a vertical distance to facilitate quick escape from a structure in case of emergency not elsewhere provided for and (4) torso harness, for rescue or escape operations, with or without a tether anchored to the work or to a worker"s support.










Class Number Class Name No. of Patents
182/19

Automatic control

85
182/137

Body catcher

24
182/138

Sheet or net type

85
182/140

Folding base

6
182/139

Tensioned peripherally

17
182/48

Chute or escape tower for personnel

153
182/49

With ladder

29
182/129

Combined

545
182/20

Convertible

101
182/35

Furniture

29
182/21

Ladder

22
182/34

Bed

4
182/33

Chair or stool

51
182/33.2

Bottom and legs invert to unveil ladder

1
182/33.5

Step withdraws from beneath seat

2
182/33.6

End-for-end turnout

3
182/33.3

Steps on chair back

4
182/33.4

Fixed steps

0
182/22

Ladder of different type

39
182/23

Stepladder prop pivoted to inverted position

18
182/24

Stile and prop end abutting

9
182/25

With spreader or tie

8
182/26

Stepladder type with variable prop and ladder connection

3
182/27

Scaffold

22
182/28

Table

7
182/29

Ironing board

1
182/30

Board as pivoted ladder prop

0
182/31

Crossed leg board support

1
182/32

Wash stand

0
182/53

Detachable window seat type

6
182/56

Extensible platform

1
182/57

Interior wall-engaging means

7
182/58

Depending

1
182/59

Saddle

1
182/61

Exterior strut

4
182/60

Wall-clamping means

7
182/62

With outside strut or brace

4
182/55

Platform below window

9
182/54

With step or additional platform

0
182/77

Door and ladder

64
182/78

Door operates ladder

23
182/81

Door and ladder on opposite sides of wall

23
182/79

Guided rigid ladder

3
182/80

Guide on wall or frame

1
182/42

Endless conveyer escape

23
182/43

Top and bottom support

12
182/44

With pivoted or folding attached carrier

6
182/63.1

Having transpositioning base and erecting means

125
182/69.6

And platform elevatable relative to its support

55
182/69.5

Erecting means actuated by lazy tong

50
182/64.1

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

8
182/65.1

About vertical axis

7
182/66.1

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

9
182/67.1

Manually operated

1
182/67.3

By use of gear

0
182/67.2

By use of screw

0
182/66.2

Motor operated

9
182/67.4

Folding ladder

0
182/67.5

Having screw rod for erecting ladder about horizontal pivot

0
182/68.1

Extension ladder pivotally mounted to be erected about a horizontal axis

16
182/68.3

Having gear means for erecting ladder

0
182/69.1

Having lazy tong extending means

10
182/69.3

And gear to actuate lazy tong

1
182/69.2

And winch to actuate lazy tong

1
182/68.2

Having winch means for erecting ladder

0
182/69.4

Telescopic erecting means

37
182/12

Horizontal traversing - actuation, control, or response

26
182/17

Holding means

62
182/13

Occupant actuation or control

31
182/15

Holding means

32
182/14

Occupant-controlled ascent or descent

18
182/16

With handle or steering means

36
182/10

Inclined cable supporting carrier traveling therealong

28
182/11

Occupant-controlled

8
182/151

Kit or separable parts

74
182/115

Ladder and platform

89
182/116

Platform with ladder as support

160
182/117

Between spaced ladders

29
182/118

Facing ladders

57
182/119

Readily detachable platform

90
182/120

Detachable step, single ladder

40
182/121

Plural rung-engaging

81
182/122

Stile-contacting

28
182/124

Ladder with pivoted ladder prop and pivoted platform

10
182/125

Platform positioned by ladder and prop divergence

4
182/123

Plural platforms

5
182/126

Prop-pivoted platform

7
182/127

Ladder with land vehicle

324
182/165

Ladder with pivoted prop

68
182/171

Converging and contacting stiles or props

4
182/168

Coplanar extension with prop pivoted to lower section

5
182/173

Hinged to top-step rear flange

13
182/172

Lateral prop

63
182/177

Overlapping stile and prop

2
182/174

Pivoted to top-step cleat

4
182/175

With cleat spaced spreader or tie

2
182/176

Multiple link folding spreader

9
182/170

Rear prop, laterally moving

9
182/166

Section extensible below prop pivot

16
182/167

With step registration

9
182/169

Single rear prop, pole type

9
182/101

Ladder with vertically moving platform or escape

8
182/102

Ladder supports platform

20
182/103

Stile or prop-guided carriage

44
182/194

Ladder

84
182/207

Extension

41
182/208

Mechanical or power-extending

14
182/209

With latch

19
182/210

Section movement actuated

9
182/211

Spring-biased latch

16
182/212

With remote control of latch

6
182/213

Elevating cable actuated

7
182/196

Flexible

81
182/199

Plural spaced strand stile member

10
182/197

With spacer

13
182/198

Rung-attached

25
182/220

Independent support for rung

20
182/215

Rung sandwiched between elements of composite stile

3
182/195

Slidable nested single rung units

51
182/200

Supporting surface compensating means

69
182/201

Stile extension

42
182/202

Equalizing extensions

17
182/204

Increment adjustment

91
182/205

Ratchet type

14
182/203

Rung-engaging means

11
182/216

Tie rod assembled

1
182/206

With hook or grab

175
182/217

With reinforcing means

12
182/218

Bow string type

6
182/219

For side rail

15
182/214

With spacer means

162
182/221

Leg or shoe attachable pole climber

40
182/2.1

Means maintaining platform level on angularly movable support

54
182/2.2

Adjustable to plural operating positions

26
182/2.3

Swingable support

25
182/2.8

Foldable hinged support

48
182/2.9

Hydraulically operated

62
182/2.5

Ladder associated

13
182/2.4

Of dielectric material

22
182/2.7

Parallelogram linkage

28
182/2.6

Providing access to underside of elevated surface

14
182/2.11

Telescopic support

88
182/1

Means maintaining step lever on horizontally pivoted ladder

31
182/230

Miscellaneous

109
182/241

Movable strand escape and means for retarding travel of strand

14
182/45

Pitched roof conforming scaffold

225
182/104

Pivotally connected ladders, mutually sustaining

18
182/105

Central upright ladder section supported therebetween

4
182/141

Platform with elevating or lowering means

279
182/148

Operating means on platform

101
182/142

Suspended

222
182/147

Plural distinct elevating means

7
182/145

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

64
182/146

Platform holding detent coacts with support

43
182/143

Simultaneously operable suspension means

10
182/144

Platform continuously level

21
182/149

Trestle-type support, beam-elevating

4
182/222

Platform

149
182/223

Relatively movable sections

87
182/130

Plural platforms, common support

30
182/131

Mounted for relative motion

43
182/132

Stepped

41
182/133

Pole or strand grasping-type climber

87
182/136

Alternate grasping

110
182/134

Foot- or leg-attachable

75
182/135

With diverse holding means for occupant

95
182/229

Putlog or spacer

35
182/228.1

Rung or rung-to-stile connection

90
182/228.3

Bracket-type connection

18
182/228.6

Hollow rung

33
182/228.5

Rung for a motor vehicle

12
182/228.2

Rung having anti-skid surface

36
182/228.4

Sleeve-type connection

15
182/107

Safety device for ground-supported ladder

248
182/108

Terminal foot or shoe

54
182/109

Diverse ground-engaging means

23
182/111

Pivotal component

54
182/110

Suction cup

1
182/112

Safety device, platform associated

46
182/113

Railing

255
182/187

Scaffold external of shaft

446
182/188

Horizontally adjustable

50
182/224

Scaffold horse beam or leg

51
182/225

Relatively movable

94
182/226

Beam clamped by pivoting leg

21
182/227

With intermediate staff

8
182/128

Scaffold supported internally on shaft

80
182/179.1

Self-sustaining

58
182/186.7

Connector for horizontal or diagonal brace

37
182/186.8

Releasable connector

79
182/186.9

Having cantilivered auxillary platform

11
182/186.6

Having height adjustable platform

39
182/180.1

Ladder

32
182/180.2

Having supporting base

12
182/180.3

Vertically pivoted to supporting base

6
182/181.1

Scaffold horse (e.g., trestle)

100
182/186.1

Beam clamped by leg actuation

19
182/186.2

Pivotally connected legs

10
182/182.1

Having height adjustable beam

21
182/182.2

By extensible leg brace

7
182/182.3

Step-by-step adjustment

9
182/182.5

By extensible leg

31
182/182.4

By slidable leg

33
182/186.3

Having leg to beam attaching bracket

38
182/183.1

Having longitudinally extensible beam

11
182/185.1

Having unitary leg to beam coupler and brace

11
182/186.5

Knockdown

35
182/186.4

Leg coupled directly to beam

15
182/189

Single stile, strand or pole

68
182/190

Flexible

31
182/191

With sliding carrier

39
182/192

Load-responsive brake

57
182/193

Occupant-actuated brake

68
182/178.1

Stackable

64
182/178.2

Ladder section

16
182/178.3

Male and female connecting means

18
182/178.4

Overlapping sections

6
182/178.5

Male and female connecting means

33
182/178.6

Double-ended pin

16
182/150

Suspended platform

242
182/3

Torso harness

504
182/231

Attached to strand wound on reel, and means for retarding unwinding of strand

62
182/233

Fluid resistance brake

31
182/235

Friction brake and occupant-operated mechanism for applying brake during descent

20
182/232

Including spring for rewinding strand

18
182/234

Movable, friction brake element applied by centrifugal force

53
182/8

Ladder-associated

60
182/5

Strand-engaging, with descent retarder

224
182/6

Leg or loop type

70
182/7

With seat

78
182/4

Window washer type

22
182/9

With pole encircling or grasping means

59
182/36

Traversing, track-mounted

172
182/39

Ground- or floor-engaging

23
182/37

With occupant elevating or lowering means

51
182/38

With vertically spaced second track

24
182/152

Unitary foldable, rigid scaffold or ladder

121
182/156

Collapsible ladder

53
182/163

Folding stile

97
182/164

Rung-to-rung stile sections

26
182/157

Lazy tong type

6
182/158

Mechanical or power-extending means

1
182/159

Parallel moving side, pivoted rung or step

32
182/161

Plural element stile

33
182/160

Storage providing component

30
182/162

With collapsible prop

16
182/153

Trestle

115
182/154

Crossed leg

10
182/155

Legs foldable parallel to beam axis in all planes

61
182/40

Upwardly extensible flexible ladder or escape

6
182/41

Self-rigidifying

10
182/82

Wall- or floor-attached

279
182/87

Embedded scaffold support member

14
182/90

Independent rung or step

81
182/91

Pivoted

107
182/92

Readily detachable

168
182/93

Ladder

146
182/95

Folding, rigid components

47
182/96

Parallelogram type

44
182/97

Pivoted

98
182/98

Normally counterbalanced to inoperative position

10
182/94

Wall penetrating operating means

3
182/99

With portion overhanging roof

4
182/88

Retractable or collapsible beneath floor, track-mounted

73
182/100

Single pole or strand

92
182/89

Spring-biased pivoted step or ladder

19
182/83

Wall-mounted platform, with ladder

17
182/85

Movable ladder

14
182/86

Pivoted

36
182/84

Movable platform with movable ladder

50
182/62.5

With extensible vertical and nonvertical sections

34
182/51

With fluid handling

13
182/52

Conduit is support

4
182/106

With handrail or guard for ladder

176
182/18

With indicator, signal or alarm

122
182/46

With insulation

99
182/47

Fire or heat shield

41
182/50

With projector or projectile

5
182/70

With storage device for supple escape

90
182/71

Occupant weight-actuated descent device

28
182/72

Occupant-controlled descent retarder

28
182/73

Reel

22
182/74

Escape of ladder type lowers upon release of latch

5
182/75

With retarder or brake on reel

5
182/236

With means for retarding unwinding of strand type escape

51
182/238

Fluid resistance brake

34
182/240

Friction brake and occupant-operated mechanism for applying brake during descent

12
182/237

Including spring for rewinding strand

17
182/239

Movable, friction brake element applied by centrifugal force

57
182/76

Wall-embedded

18
182/114

With sucker rod support

4
 
 
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