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Class Information
Number: 297
Name: Chairs and seats >
Description: Devices for supporting the weight of a person in a seated position including chairs, seats, and ancillary devices not elsewhere classifiable.










Class Number Class Name No. of Patents
297/115

Armrest movable to diverse use position

124
297/116

Pivots laterally

18
297/117

Releasable from back-connected upright position

19
297/411.2

Armrest

117
297/411.35

Adjustable to multiple use positions relative to bottom or back

201
297/411.38

Angularly

174
297/411.39

Angular adjustment coincides with tilting of the back for relative concurrent movement

37
297/411.37

Laterally

149
297/411.36

Vertically

285
297/411.23

Attachable to diverse chairs or seats; i.e., portable

60
297/411.25

Connected to a back

23
297/411.24

Supported by a seating surface

21
297/411.44

Connected to back and bottom

30
297/411.43

Connected to back and front leg

8
297/411.26

Detachably interfitted to a particular chair or seat at a connecting joint

47
297/411.29

To back only

31
297/411.27

To bottom

41
297/411.28

And to back

17
297/411.42

Formed as one-piece with front leg

20
297/411.45

Mounted on an upwardly extending side panel

25
297/411.21

Mounted to structure other than a chair or seat component

48
297/411.22

Sill suspended

20
297/411.3

Movable to nonuse position

41
297/411.32

Armrest or its supporting member movable about a horizontal axis

241
297/411.34

Axis parallel to a lateral edge of bottom

21
297/411.33

Supporting member movable about plural horizontal axes

49
297/411.31

Armrest or its supporting member movable about a vertical axis

59
297/411.4

Single element forms plural spaced armrests of a chair or seat

22
297/411.41

And portion of back

21
297/411.46

Upholstered

40
297/DIG.11

Baby bouncer

35
297/112

Back carries stored supplemental body support

49
297/113

Armrest movable from recess in back

81
297/114

Supplemental support pivoted to upper end of back

21
297/285

Back movement resiliently opposed in operating position

90
297/303.1

Adjustable resistance

50
297/303.4

Coil spring

77
297/303.5

Coaxial adjustment member extends through coil

33
297/303.2

Fluid spring

8
297/303.3

Torsion bar or torsion spring

76
297/301.1

Back adjusts independent of seat

79
297/301.4

Coil spring

50
297/301.2

Fluid-spring

34
297/301.5

Including back movement limiting device

44
297/301.6

Adjustable

28
297/301.7

Manually

57
297/301.3

Torsion bar or torsion spring

55
297/302.1

Back and bottom adjust in a fixed relationship

71
297/302.4

Coil spring

54
297/302.2

Fluid-spring

22
297/302.5

Including back movement limiting device

16
297/302.6

Adjustable

19
297/302.7

Manually

47
297/302.3

Torsion bar or torsion spring

56
297/300.1

Back and seat adjust simultaneously

108
297/300.2

Back tilts while seat inclination adjusts

140
297/300.5

Coil spring

125
297/300.3

Fluid-spring

79
297/300.6

Including back limiting device

34
297/300.7

Adjustable

52
297/300.8

Manually

88
297/300.4

Torsion bar or torsion spring

117
297/296

Back secured to resilient upright bar or rod

57
297/298

Bar or rod operatively adjustable with respect to bottom

12
297/297

Bar or rod rigidly secured to bottom

38
297/293

Coil spring comprises horizontal pivot

6
297/292

Coil spring surrounds horizontal pivot

17
297/307

Constantly oriented during up-and-down movement

21
297/308

Back immovable relative to bottom

11
297/309

Bottom component resiliently supports back

4
297/294

Resilient leg integral with bottom or back

19
297/295

Bottom and back

12
297/286

Resilient support includes armrest

23
297/287

Integral leg and armrest

20
297/288

Rear leg

10
297/289

Rearward back tilting axially compresses spring

11
297/290

Spring leaf or spring rod armrest

7
297/291

Spring centers back on pivot

32
297/299

Spring mounts terminal of back

27
297/94

Back reversible as to bottom; e.g., walkover type

34
297/95

Back movement tilts bottom oppositely

13
297/97

Back-actuated cam in bottom-carried slot

1
297/99

Cam actuator slidably connected to back

2
297/98

Cam carried by back support

1
297/96

Gear actuator

0
297/100

Bisector link rigidly connected to back

1
297/104

Link pivoted to back and armrest

2
297/101

Multiple links, pivotally connected to back

8
297/102

Crossed link back inverter

0
297/103

Parallelogram linkage

8
297/464

Body or occupant restraint or confinement

273
297/487

Front guard or barrier

153
297/488

Padded or cushioned member

192
297/467

Having crotch strap or post

234
297/465

Jacket, vest, or suit restraint

108
297/466

Leg or arm restraint

92
297/468

Safety belt or harness; e.g., lap belt or shoulder harness

454
297/482

Belt or belt anchor covers

178
297/473

Belt or harness rides on seat connected slide

152
297/481

Having means for storage in nonuse position or in position to be handy for use

137
297/485

Having means providing easily releasable attachment to a chair or seat

183
297/480

Inertia-responsive locking or tightening of belt or harness

331
297/469

Passive restraint system

106
297/474

Retractable

88
297/475

Belt winds upon take-up reel

114
297/476

Having means to lock belt against further extension when in its occupant-restraining position

95
297/477

Electrically operated

46
297/478

Inertia actuated

151
297/479

Having means to lock belt against further extension when in its occupant-restraining position

90
297/483

Shoulder belt or harness

543
297/484

Engageable with both shoulders of occupant

296
297/470

With means to absorb energy of acceleration

91
297/471

Deformable or stretchable element

93
297/472

Element is permanently deformed; i.e., one-time use

130
297/486

Shoulder restraint

68
297/14

Bottom and back connected to and foldable in wall or partition

118
297/15

In floor

157
297/284.1

Bottom or back with means to alter contour

315
297/284.3

Having a plurality of adjacent relatively adjustable sections

173
297/284.2

Having adjustment means for seat surface tension

82
297/284.11

Located at the front of the seat bottom

189
297/284.4

Providing support for lower back (i.e., lumbar) region

495
297/284.6

Having a fluent material within flexible container

186
297/284.5

Portable with seat attacher

85
297/284.8

Rectilinear horizontal adjustment

87
297/284.7

Rectilinear vertical adjustment

166
297/284.9

Providing support for the sides of a seated occupant

198
297/452.1

Bottom or back

80
297/452.39

Cantilevered bottom or back

39
297/452.29

Contoured back

54
297/452.3

For lower back; i.e., lumbar region

39
297/452.32

Preshaped cushioning material

45
297/452.31

Rigid or semirigid preshaped panel

50
297/452.37

Having varying density foam

27
297/452.33

Laterally extending contour

44
297/452.34

Including a projected side member

41
297/452.35

Preshaped cushioning material

28
297/452.36

Rigid or semirigid preshaped panel

35
297/452.21

Contoured bottom

105
297/452.23

Laterally extending contour

66
297/452.24

Contoured rigid base

32
297/452.25

Including symmetrical thigh-support portions

65
297/452.28

Custom fitted for a particular occupant

41
297/452.26

Preshaped foam pad

72
297/452.27

Different densities of foam

118
297/452.22

Planar bottom with a central recess

31
297/452.48

Cushioned

95
297/452.58

Having a fixed cover

50
297/452.61

Bonded to cushioning material

68
297/452.62

Cover formed from a plurality of discrete sections

39
297/452.59

Fastened to a support framework

83
297/452.6

Including a fixing means extending through cushioning material

75
297/452.55

Including a support panel (e.g., pan-type seat, etc.)

116
297/452.57

Encapsulated panel

29
297/452.56

Flexible panel (e.g., fabric or elastomeric sheet, web, etc.)

195
297/452.49

Including a support spring

43
297/452.5

Coil compression spring

20
297/452.51

Encapsulated by cushion

9
297/452.52

Noncoil wire spring (e.g., linear or sinuous wires, etc.)

94
297/452.53

Encapsulated by cushion

26
297/452.54

Spring integral with frame of bottom or back

28
297/452.11

Directly connected bottom and back

38
297/452.16

Interconnected cushions for bottom and back

35
297/452.17

Continuous cushioning material (e.g., one-piece cushion, bean bag, etc.)

57
297/452.12

One-piece panel

38
297/452.13

Flexible panel fixed to a frame (e.g., fabric, elastomeric sheet, etc.)

142
297/452.14

Rigid or semirigid plastic panel

81
297/452.15

Including means to provide or enhance resiliency (e.g., slits, grooves, etc.)

75
297/452.18

Framework

349
297/452.19

Continuous bottom and back frame

43
297/452.2

Having elongated hollow member (e.g., tubular, etc.)

228
297/452.4

Having a laterally adjustable dimension

41
297/452.38

Having a trim panel

89
297/452.41

Having fluent material

247
297/452.42

Including a ventilating means

59
297/452.46

Apertures in primary bottom or back

76
297/452.47

Aperture in upholstery

49
297/452.43

Supplemental ventilating pad

19
297/452.45

Projecting elements

21
297/452.44

Wire spring element between pads` layers

5
297/452.63

Made of individual elongated members extending across a support frame (e.g., webs, straps, slats, stringed beads, etc.)

126
297/452.64

Intermeshed (e.g., crisscrossed, etc.)

64
297/452.65

Rigid or semirigid hollow shell

76
297/445.1

Bottom, back and leg (i.e., chair)

60
297/446.1

Back or back standard integral with leg

46
297/447.1

Front leg

15
297/447.3

And forms lateral sides of bottom

10
297/447.2

Integral with plural front legs

27
297/446.2

Integral with plural rear legs

20
297/447.4

Legs interbraced between bottom and ground

10
297/450.1

Back or bottom connected at lateral side to end support

36
297/451.1

Back standard secured below or to underside of bottom

23
297/448.1

Front leg integral with rear leg

43
297/448.2

Extends along ground surface

38
297/449.1

Interbraced bottom, back and leg

13
297/451.8

Modular component

28
297/451.11

Plastic material

20
297/451.13

Hollow component

17
297/451.12

Integral bottom, back and leg

10
297/451.7

Resilient bottom and leg

19
297/451.4

Single non-moving support leg

20
297/451.5

Cylindrial leg

16
297/451.6

Having diameter equal to that of bottom

3
297/451.2

Three support legs only

9
297/451.3

Two support legs only

30
297/451.9

Woven material (e.g., cane or basket chair)

17
297/900

Chair for suntanning in the prone (i.e., facedown) position

36
297/463.1

Chair hardware or attachment (e.g., bracket, operating lever, leg extension, etc.)

341
297/92

Chair with interchangeable and reversible bottom and back

21
297/93

One-piece bottom and back

12
297/283.1

Changeable or reversible supporting surface

27
297/283.2

Back and bottom

22
297/283.3

Back

25
297/283.4

Headrest

5
297/16.1

Collapsible chair; i.e., relatively folding bottom, back, and legs

251
297/46

Back and legs collapse concurrently

41
297/48

Back articulated to both leg pairs

21
297/49

Above and below bottom

1
297/50

Back-to-leg articulation above back-to-bottom articulation

9
297/47

Parallel leg pairs

15
297/51

Back and legs collapse independently

31
297/52

Back pivoted to and abutting a leg

17
297/53

To overlie and underlie bottom

27
297/54

Noncrossed legs

29
297/17

Collapsed components form self-contained carrying case

136
297/16.2

Collapsed to a compact bundle having all rigid elongated elements extending in a single longitudinal direction

184
297/31

Front leg folds relative to integral bottom-rear leg; e.g., beach type

42
297/29

Journaled connections of parts permit occupant to change configuration

13
297/42

Laterally collapsible

91
297/43

Against fixed standard

9
297/45

Fabric bottom and back

242
297/44

Folding back or bottom sections

57
297/18

Nonpivoted crossed legs

24
297/34

Rearwardly folding back

9
297/59

Relatively collapsible bottom, front legs, and integral back and rear legs

34
297/60

Upwardly tilting bottom elevates pivoted front legs

15
297/55

Relatively collapsible bottom, rear legs, and integral back and front legs

70
297/56

Crossed legs

82
297/57

Bottom detachably or slidably connected to back

13
297/58

Rear leg pivoted to back above bottom connection

52
297/30

With concurrently folding footrest

21
297/35

With folding armrest

76
297/39

Back, arm, bottom, and front leg form collapsible parallelogram

71
297/40

Folds forwardly and downwardly

18
297/36

Laterally swinging

13
297/37

To overlie or underlie bottom

7
297/41

Pivoted to integral back and leg

22
297/38

Slidably connected to chair component

18
297/32

With folding rocker

20
297/33

Rocker disengages from leg to permit folding

10
297/19

With means to hold chair in plural operative configurations

61
297/20

By adjustable leg-to-rocker connection

1
297/27

Set means include armrest

21
297/28

Rigid with armrest

32
297/24

Set means interconnects front leg and rear leg

10
297/25

Brace or tie interconnection

20
297/26

Bottom forms or supported by tie

9
297/21

Set means operative between back post and rear leg

17
297/22

Back-to-leg prop

15
297/23

Single element forms back post and front leg

23
297/217.1

Combined

241
297/217.7

Mounted on accommodating platform (e.g., stairs, deck, etc.)

76
297/217.3

With electrical feature

417
297/217.6

Illumination

47
297/217.4

Sound producing

122
297/217.5

Enclosure

17
297/217.2

With measuring device

73
297/63

Component of adjacent seats reorientable to single bed

23
297/64

Back pivots rearwardly between and coplanar with bottoms

12
297/65

Bottom moves horizontally responsive to reclining of back

18
297/66

Rear seat component supports reclined back

3
297/67

Facing seats

10
297/62

Component reorientable to stacked bunks

7
297/118

Convertible

237
297/130

Alternately usable seat mounts

191
297/133

Detachable rocker

25
297/131

Rocker retractable to inoperative position

21
297/132

Ends of composite rockers contact inwardly

4
297/134

Seat detachable from subjacent table or stool

35
297/119

Table

37
297/120

Additional table leaf extensible from converting component

3
297/124

Back-to-table top

43
297/125

Rear of back

36
297/126

Extends beyond bottom for concurrent use

14
297/127

Supported on armrest

6
297/128

Slidably connected to armrest

1
297/123

Bottom and back move as unit

5
297/121

Common table with plural bottoms

2
297/122

Sectional table formed of bottom and back

7
297/129

To nonoccupant support device

181
297/216.1

Crash seat

502
297/216.15

Bottom and back interconnected for relative concurrent movement

69
297/216.16

Bottom and back movable as unit in response to force

97
297/216.18

In horizontal plane

77
297/216.17

Rectilinearly vertically

64
297/216.19

Tiltably

88
297/216.2

Mounted on support legs

61
297/216.13

Force-absorbing means incorporated into back

413
297/216.14

For absorbing rear-impact force

183
297/216.11

Force-absorbing means incorporated into child seat

197
297/216.12

Force-absorbing means incorporated into headrest area

392
297/219.1

Detachable supplemental flexible pad or cover

286
297/227

Armrest

37
297/228

And bottom or back cover formed of one piece

31
297/219.12

For child seat

203
297/219.11

For straddle seat

46
297/228.12

Having elongated flexible free-end securing means

98
297/228.11

Having flexible hem-inserted securing means (e.g., drawstring, elastic band, etc.)

77
297/228.13

Having rigid or semirigid securing member (e.g., zipper, hook, ring, snap, button, etc.)

109
297/220

Headrest

92
297/221

With cover supply

6
297/222

With cutter

0
297/226

Hem-inserted keeper bar

37
297/229

One-piece bottom and back

237
297/223

Reversible or with replaceable section

25
297/228.1

Slipcover for bottom or back

128
297/224

With elastic section

63
297/225

Wraparound one-piece bottom, back, and shoulder or arm

37
297/105

Displaceable bottom exposes supplemental body support

24
297/108

Bottom inverts to form extension of subjacent support

12
297/110

Armrest or back inverts with bottom to support extension

6
297/109

Plural sections exposed by inverting bottom

5
297/107

Laterally extensible

9
297/106

Lazy tong-mounted supported

1
297/111

Supplemental body support positioned forwardly of bottom

20
297/DIG.5

Fireproof

40
297/DIG.1

Foam

268
297/13

Folding bottom permits seat rotation about vertical axis

10
297/440.1

Having detachably interfitting parts or components; i.e., knockdown

272
297/440.11

Detachable fabric component

211
297/440.23

Front, rear legs, and armrest together form a unit detachable from bottom or back

68
297/440.2

Interfitted back and back frame

205
297/440.21

Including a substantially upright post slidably inserted into an elongated recess

97
297/440.15

Interfitted back and bottom or back frame and bottom frame

173
297/440.16

Including a substantially upright post slidably inserted into an elongated recess

95
297/440.17

One-piece back and arm

7
297/440.18

One-piece back and leg

17
297/440.19

Front leg

11
297/440.22

Interfitted bottom and bottom frame

241
297/440.14

Modular components

150
297/440.12

Sheet material folded to form a chair or seat

61
297/440.13

Slotted components normal to each other

101
297/440.24

Telescoping hollow parts or components

99
297/61

Headrest interconnected with back for relative concurrent movement

126
297/391

Headrest

455
297/406

Adjustable laterally

49
297/407

On shiftable mounting

21
297/410

Adjustable rectilinearly vertically

453
297/408

Angularly movable about horizontal axis

415
297/409

With horizontal translator

69
297/405

Ball- and socket-mounted

12
297/392

Chin support

42
297/394

Detachable headrest and armrest unit

14
297/396

Extension of upper back

41
297/403

Movable to inoperative position rearwardly of back

75
297/393

Occupant attached

72
297/397

Portable, with seat attacher

207
297/398

Laterally collapsible

13
297/399

U-clamp mounted

23
297/400

Adjustable

18
297/402

Screw clamp

4
297/401

Spring clamp

5
297/404

Resiliently mounted

53
297/395

Wall- or ceiling-supported

36
297/DIG.8

Inflatable bellows

47
297/350

Laterally folding or collapsing back

20
297/351

One-piece bottom and back

6
297/68

Legrest or footrest interconnected to move relative to bottom and concurrent with bottom or back

186
297/72

Back reversible as to bottom

0
297/73

Back movement disposes footrest for use from rear

1
297/74

Common rocker arm carries opposed footrest

2
297/88

Bottom and back movable as unit relative to legrest

19
297/89

Advancing legrest pivoted to lazy tong linkage

29
297/71

Common actuator controls vertical adjustment and relative movement of parts

21
297/77

Face-to-face seats suspended to oscillate

2
297/78

Interconnection includes back-controlled movable armrest

7
297/80

Armrest directly pivoted to upper extension of legrest

2
297/81

With concurrently movable bottom

6
297/82

Bottom pivoted to supporting frame at rear

4
297/79

Armrest linkage connected to legrest below legrest-to-bottom pivot

0
297/90

Interconnector articulated to back extension below back-to-bottom pivot

20
297/91

By plural links

6
297/75

Relatively movable rest sections move simultaneously

34
297/76

Footrest extends angularly of depending legrest

4
297/83

With means to move bottom relative to and concurrently with back

64
297/87

Bottom actuator for rest

1
297/86

Common actuator articulates bottom and rest to back

13
297/84

Rest advances forwardly of bottom

89
297/85

Advancing linkage includes lazy tong pivoted to rest

173
297/69

With means to permit independent adjustment of legrest or footrest

57
297/70

Footrest adjustable independently of legrest movement

9
297/175

Milker stool type

6
297/179

Adjustable as to pail size

0
297/177

Pail support movable as unit relative to seat

0
297/178

Pail support vertically movable

0
297/176

With tail guard or holder

0
297/463.2

Miscellaneous

160
297/DIG.2

Molded

249
297/353

Movable back

301
297/383

Horizontally

113
297/354.1

Tiltable

104
297/378.1

Foldable forwardly over bottom

291
297/382

Fabric hinges bottom to back

19
297/378.12

Held erect by a releasable latch

616
297/378.13

Latch element supported by a structure separated from chair or seat (e.g., vehicle mounted striker, etc.)

176
297/378.11

Including an inertia-responsive latch

89
297/378.14

Including means to hold back in forwardly folded position

112
297/380

Tension tie supports back

41
297/381

Armrest tie

1
297/354.11

Pivot axis located at or adjacent to a central point of back

72
297/354.12

Plural distinct occupant-supporting positions

278
297/363

Axially slidable bolt or pawl

51
297/364

Spring-pressed

61
297/365

Engages movable rack

43
297/359

Back-pivoted armrest carries latch or holder

30
297/360

Bottom-pivoted armrest

6
297/358

Common actuator adjusts height and inclination

16
297/374

Friction detent

115
297/375

Clamp acts on axially moving rod

66
297/376

Pin and slot

47
297/356

Full stroke adjusting mechanism

18
297/377

Held by prop behind back

133
297/361.1

Mechanical operator tilts back fore and aft

111
297/362.12

Actuated shaft

81
297/362.13

Gas or hydraulic cylinder

59
297/362.14

Threaded shaft

83
297/362

Gear train

310
297/362.11

Motor actuated

136
297/354.13

Movable to a rear-horizontal position

193
297/366

Rack and pawl

151
297/367

Actuator disengages pawl

392
297/368

Actuator rigid with pawl

21
297/369

Spring-pressed

60
297/370

Actuator disengages rack

18
297/371

Actuator rigid with rack

4
297/372

Depending pawl or rack prop pivoted to back

7
297/373

Serrated clamp hinge

31
297/357

Vertical displacement of back disengages holder

34
297/311

Movable bottom

77
297/344.1

Bottom and back movable as a unit

440
297/344.21

About vertical axis; i.e., rotates

154
297/344.25

Back tilted to permit seat rotation

3
297/344.24

Having additional movement in horizontal plane

85
297/344.26

Including antifriction feature (e.g., ball bearings, etc.)

92
297/344.22

Including means to lock unit at distinct rotated positions

124
297/344.23

Motor actuated

43
297/344.11

Mounted for horizontal oscillating movement

104
297/344.12

Vertically adjustable

150
297/344.13

And horizontally adjustable

97
297/344.14

Horizontal movement concurrent with vertical movement; i.e., oblique movement

93
297/344.15

Pivotal linkage assembly

196
297/344.16

Gas or hydraulic cylinder

76
297/344.17

Motor actuated

113
297/344.18

Slidably coupled components (e.g., telescoped, etc.)

191
297/344.19

Gas or hydraulic cylinder

163
297/344.2

Motor actuated

45
297/312

Independently movable resilient bottom sections

95
297/340

Interconnected with back for relative concurrent movement

114
297/341

Back tilts and bottom moves forwardly

275
297/342

Rearwardly tilting of back

107
297/343

Back slidably connected to back support

43
297/337

Movable independently of back

174
297/338

Vertically

158
297/339

With force-multiplying means

73
297/313

Tiltable

189
297/325

Bottom and back tiltable as unit

191
297/326

About stationary horizontal pivot

107
297/327

To plural use positions

92
297/328

With set means horizontally spaced from pivot

107
297/329

With concurrent horizontal movement

83
297/316

Interconnected with back for relative concurrent movement

181
297/324

Back moved by folding of bottom

13
297/320

Back supports rear of bottom

116
297/321

Front of bottom carried by link

68
297/319

Back-actuated cam tilts bottom

19
297/317

Bottom slides forwardly while tilting

98
297/318

On roller

47
297/322

Bottom tilts with concurrent horizontal movement

125
297/323

With armrest interconnected for mutual movement

23
297/314

Laterally

96
297/315

With laterally folding back

3
297/330

Motor actuated

390
297/331

Movable to inoperative position

226
297/335

About stationary horizontal pivot

230
297/336

Disengages holding abutment rearwardly of pivot

175
297/332

Biased to position

52
297/333

Spring axis coaxial with pivot axis of bottom

24
297/334

On link

105
297/DIG.10

Occupant-arising assist

287
297/273

Oscillating suspender connected to or through adjunctive rest

135
297/281

Armrest or side frame-connected

87
297/282

Bottom dependent from subjacently mounted armrest

25
297/274

Baby jumper type

42
297/275

With belt or garment restrainer

10
297/277

Suspender connected to back

33
297/278

Adjustable connection for movement relative to bottom

14
297/280

And armrest or side frame

24
297/279

And legrest or footrest

6
297/276

Suspender passes through armrest to bottom

15
297/461

Padded stool

62
297/462

Hassock type

19
297/232

Plural related seats

276
297/233

Combinable to form single seat

49
297/248

Coupled side-by-side

218
297/249

Adjustable within or to arcuate row

24
297/245

Face to face

35
297/247

Oscillating on rockers

4
297/246

Oscillating on rollers

5
297/234

Movement of one seat effects storage of either seat

31
297/235

Both move to effect storage of one

15
297/236

Moving seat stores within or beneath other bottom

66
297/237

Stored seat withdraws to substitute for other

33
297/238

Within back

140
297/239

Nested

181
297/244

Oppositely facing

35
297/257

Relatively movable

83
297/240

Relatively rotatable

37
297/242

Coaxially

10
297/241

One seat has floor roller

21
297/243

Tandem

108
297/DIG.3

Pneumatic

264
297/352

Portable back with bottom attacher

81
297/4

Portable bottom with occupant attacher

76
297/187

Prie-dieu type of kneeling stand

3
297/423.1

Rest for knee, leg, or foot

101
297/423.19

Connected to chair or seat for relative movement

74
297/423.25

Footrest movably connected to an upright support fixed to chair or seat

36
297/423.2

Horizontally slidable from beneath bottom to a position in front of bottom

37
297/423.21

Having a floor-engaging support

26
297/423.22

Having additional movement to an operative position

10
297/423.23

Including means for adjusting the rest to plural operative positions

7
297/423.24

Angular adjusting means

10
297/423.37

Pivoted for lateral swinging; i.e., about vertical axis

34
297/423.26

Pivoted for vertical swinging (i.e., about horizontal axis)

124
297/423.27

Having a floor-engaging support

21
297/423.3

Pivot axis adjacent and parallel to front edge of bottom

79
297/423.34

Footrest moves relative to legrest

13
297/423.35

Pivotally movable footrest

32
297/423.36

Slidably adjustable footrest

61
297/423.31

Held by a prop behind rest

11
297/423.32

Prop adjusts rest to plural use positions

20
297/423.33

Adjustable friction detent

10
297/423.29

Pivot axis parallel to lateral edge of bottom

11
297/423.28

Pivoted to an unusable position beneath bottom

54
297/423.38

Rectilinearly in vertical direction

64
297/423.14

For nonoccupant use (e.g., shoe salesman`s stool, etc.)

8
297/423.16

Kneeling stool

6
297/423.15

Rest at rear of chair or seat

10
297/423.11

For occupant`s knee or shin (e.g., sit-kneel type of chair, etc.)

71
297/423.12

Adjustable relative to chair or seat to plural use positions

79
297/423.13

Convertible to a chair or seat without kneerest

26
297/423.18

Having substitute footrest

5
297/423.17

Including a portion engaging a side of occupant`s leg

9
297/423.39

Portable

38
297/423.4

Connectable to a chair or seat

75
297/423.41

Self-supported

107
297/423.44

Adjustable to plural operative positions

45
297/423.46

Angularly

50
297/423.45

Rectilinearly in vertical direction

54
297/423.42

Resiliently mounted

3
297/423.43

Rocker type

8
297/258.1

Rocker-mounted

82
297/259.1

Bottom connected to rocker for movement supplemental to rocking motion

10
297/259.2

Providing reclining motion

42
297/259.3

Providing swinging motion

11
297/259.4

Spring attached

7
297/272.1

Rocker attachment

27
297/272.2

Cushion or shoe

2
297/272.3

Inflatable

2
297/272.4

Tip, guard, or shield

2
297/261.1

Track-mounted rocker (e.g., platform rocker)

11
297/262.1

Meshed teeth engagement

2
297/261.2

Providing grooved guide

4
297/261.3

With anti-friction means

7
297/261.4

Rocker pivotally connected to track

1
297/263.1

Rotatable about vertical axis to reorientate chair

6
297/263.2

Having anti-friction means to facilitate rotation

3
297/264.1

Spring return to neutral position

4
297/265.1

Coil spring

14
297/266.1

Extensible

2
297/267.1

With opposing compressible coil spring

18
297/268.1

Leaf spring

9
297/268.2

Transversely extending spring (e.g., torsion bar)

1
297/269.1

With mean to lock rockers to track

8
297/271.1

With attached footrest or legrest

10
297/271.3

Adjustable

2
297/271.2

Mounted on roller or wheel

0
297/271.4

Pivotally connected to bottom or support frame

17
297/271.5

With floor or ground contacting rocker

27
297/271.6

Having curved rail

52
297/260.1

With means to impart rocking motion

13
297/260.3

Actuating footrest

4
297/260.2

Motor operated

45
297/270.1

With means to limit or inhibit rocking motion

62
297/270.2

Pivotal stop

39
297/270.3

Plural stops

27
297/270.5

Stop engages ground

27
297/270.4

To plural operative positions

14
297/DIG.7

Rocker/recliner

64
297/1

Seating device reorients as unit

39
297/3

Inverting

39
297/2

To expose nonoccupant support

7
297/181

Simulation; e.g., animal or vehicle

66
297/195.1

Straddle seat (e.g., saddle type, etc.)

293
297/215.13

Adjustable to plural use positions

101
297/215.15

Angularly

96
297/215.14

Longitudinally

85
297/196

Base-attached cantilevered spring mounts seat

12
297/215

Bow spring-mounted

15
297/208

Coil spring-mounted

12
297/213

Axis extends laterally of seat

5
297/209

Vertically oriented

43
297/211

Parallel stems each supported by encircling spring

12
297/212

Rear coil directly secured to front connected member

5
297/210

Serially arranged tension and compression springs

4
297/202

Depressed portion spaces body supporting surfaces

75
297/197

Filamented supporting surface

13
297/215.1

Including an upwardly extending portion at rear of seat

32
297/215.11

Extends upwardly above waist to provide back support

39
297/215.12

Movable back support

58
297/198

Laminated leaf spring-mounted

10
297/215.16

Molded plastic saddle

54
297/195.11

Other than cycle seat

102
297/195.12

Plural related seats

45
297/195.13

Detachable seat

57
297/199

Pneumatic cushion

44
297/200

Plural independent compartments

27
297/203

Rear end supported on inclined rod independently of support for front end

6
297/201

Sectional or split relatively movable supporting surface

86
297/214

With cushioned top

122
297/204

With means to adjustably set tautness of supporting surface

18
297/206

Front spring adjustably clamped to rear spring

1
297/205

Rod mounting bracket includes tautness setting means

6
297/207

Threaded adjusting means extends longitudinally of seat

11
297/230.1

Supplemental back

90
297/230.13

Back and supplemental back together form occupant back-engaging surface

44
297/230.11

Flexible occupant back-engaging surface spans framework

33
297/230.14

Including a means to adjust supplemental back relative to a seat back

73
297/230.12

Including a rigid panel

39
297/250.1

Supplemental seat (e.g., child seat, etc.)

618
297/256.1

Adjustable to plural operative positions

89
297/256.12

About a vertical axis; i.e., rotates

64
297/256.14

Reversible

51
297/256.13

Tiltable

180
297/256.11

Vertically

53
297/251

Armrest-supported

12
297/254

Back-connected

93
297/255

Collapsible or foldable unit

62
297/256

Rigid panel-type bottom

31
297/256.16

Detachably mounted to a support base

289
297/256.17

For shopping cart

90
297/252

Fore or aft board straddling clamps

71
297/256.15

Having a front guard or barrier

122
297/253

Secured by bottom-back crevice

138
297/411.1

Support for armpit

24
297/218.1

Upholstery cover detachably connected to frame

113
297/218.3

Cover attached by an element mounted to the frame

72
297/218.5

Cover attached to frame by separate element

80
297/218.2

Cover connector attached to cushion

57
297/218.4

Cover connector mounted by hem inserted elongated member (e.g., drawstring, bar, etc.)

44
297/DIG.6

Velcro

161
297/DIG.4

Wheelchair

660
297/182

With debris catcher

69
297/183.1

With handle

56
297/183.4

Adjustable plural use positions

31
297/183.6

For nonoccupant use

41
297/183.7

Seat back grip

19
297/183.8

Detachable

13
297/183.9

For use by occupant while seated

21
297/183.5

For use with chair in collapsed position (e.g., stadium chair)

51
297/183.2

Movable to inoperative position

43
297/183.3

Alternate use (e.g., prop for baby seat, etc.)

31
297/180.1

With heat exchanger or means to provide fluid or vapor treatment

95
297/180.12

Electric heating element

141
297/180.15

Liquid medium

44
297/180.16

Occupant`s motion actuates a ventilating means (e.g., rocking movement, etc.)

10
297/180.11

Portable supplemental pad

81
297/180.13

Power source propels air for heat exchange

118
297/180.14

Fan directly attached to a chair or seat component

155
297/188.01

With holder or receptacle for disparate article

220
297/188.21

Adjustable with respect to the chair structure

77
297/188.2

Detachable from chair structure

197
297/188.08

Directly under occupant seating portion

117
297/188.09

Accessible by displacement of seating surface

83
297/188.1

Pivotally displaced

128
297/188.12

Detachable

59
297/188.13

Having closure means

66
297/188.11

Horizontally slidable (e.g., drawer)

74
297/188.03

For apparel

25
297/188.02

Holder or receptacle collapses as seat pivots

11
297/188.14

On or integral with armrest (e.g., beverage cup holder)

153
297/188.19

Having closure means

91
297/188.18

Holder detachable from armrest

108
297/188.15

Movably mounted to inoperative position

53
297/188.16

Into armrest

62
297/188.17

By sliding motion

64
297/188.04

On or integral with backrest

188
297/188.05

Adjustable

48
297/188.06

Detachable

137
297/188.07

Having closure means

60
297/310

With means to control rearward chair tipping

43
297/185

With mirror

13
297/186

With musical instrument or instrument support

7
297/5

With occupant-propelled walker or skater frame

182
297/6

Bottom movable to nonuse position

53
297/7

With removable or reorientable crib side

4
297/8

Fabric crib side

1
297/9

Side added to front edge of bottom

2
297/10

Side storable within or upon seating device

2
297/12

Side withdrawn laterally of device

1
297/11

Within or upon armrest

1
297/135

With table, desk, or easel

97
297/170

Chair-secured standard supports table

89
297/171

Standard is vertical extension of chair leg

17
297/172

Standard spaced from chair by base element

60
297/147

Extensible from wall or receptacle

15
297/144

Extensible from within or beneath seat component

23
297/145

From armrest

58
297/146

From back

60
297/140

Seat inoperatively positionable beneath table

20
297/141

Pivotally movable seat

14
297/142

Horizontally swinging

21
297/143

Slides on track or guide

22
297/136

Seat supported within periphery of apertured table

23
297/138

Seat movable along table-mounted horizontal track

4
297/137

Seat rotatable about vertical axis

22
297/156

Straddle-type seat

18
297/163

Table behind seat

74
297/164

Both independently vertically adjustable

2
297/165

Tiltable seat

4
297/166

Single pedestal

1
297/167

Tiltable seat

9
297/168

Vertically adjustable

1
297/169

With tiltable table

12
297/139

Table forms carrying case for seat

25
297/174R

Table in front of seat

115
297/174CS

Child seat detachably mounted to table

33
297/173

Table pivotally connected to seat

107
297/148

Table supported on both arms

70
297/149

Horizontally adjustable

45
297/150

And movable to inoperative position

28
297/151

Pin and slot type

27
297/152

Means for attaching seat and table to adjacent support

9
297/154

Movable to inoperative position

20
297/155

To side of chair

33
297/153

Removable

136
297/157.1

Table with opposed seating

33
297/159.1

Folding

38
297/158.3

Planar horizontal seating (e.g., picnic table)

47
297/158.4

Folding

74
297/158.5

Having separable components

28
297/158.1

With semi-enclosing support structure (e.g., booth)

8
297/158.2

Movably mounted table or seat

8
297/160

Tablet-arm type

35
297/161

Adjustable to multiple use positions

43
297/162

Connected to move to inoperative position

95
297/184.1

With weather shield or insect protector (e.g., canopy, screen, etc.)

62
297/184.11

Detachable or movable for seat occupancy

86
297/184.14

Enclosure type

40
297/184.15

Flexible canopy having framework

110
297/184.17

U-shaped elements have ends which converge toward a common laterally extending axis (e.g., baby carriage type, etc.)

44
297/184.16

Umbrella type

35
297/184.13

For child seat

110
297/184.12

Transparent visor

19
 
 
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