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Class Information
Number: 269
Name: Work holders >
Description: Class 269 is the residual locus for patents to a device which, during a work treating operation, contacts a workpiece for the purpose of (a) supporting the work against the force of gravity; or (b) preventing movement of the work in a particular direction or in all directions while, as disclosed, such work is supported against the force of gravity; or (c) providing a surface juxtaposed to the work for constraining the motion of a tool during its performance of such work treating operation.










Class Number Class Name No. of Patents
269/901

Collapsible or foldable work holder supporting structure

146
269/36

Fence board holder and gauge

2
269/1

Hand maneuvered or work supported tool guides

38
269/2

Relatively movable jaws

21
269/287

Holder encloses work

314
269/288

With tool couple element

31
269/47

Holder inserted within work aperture

252
269/48.1

Expandable mandrel

259
269/48.2

Plural pin mandrel

16
269/48.3

Having intermediate expanding means

16
269/48.4

And coil spring

10
269/50

Holder mounted for movement

92
269/51

Compound or plural movement

37
269/49

Inserted holder movable relative to work backup

78
269/48

With tool couple element

12
269/52

Within concentric opening

47
269/55

Holder mounted for movement

171
269/58

Including means to shift holder position

158
269/61

Gear means

82
269/60

Screw means

160
269/62

Treadle means

4
269/59

With means to lock shift means

25
269/74

Means for position lock

69
269/79

Effective on a movable brace

32
269/75

For universal joint

89
269/80

For yoke type

2
269/81

Of holder to table (i.e., reference base or wall)

17
269/77

Periphery clamp type

21
269/78

Split ring type

23
269/82

Plane bearing surfaces clamped together

39
269/83

Radial bearing surface type

4
269/84

Central clamp

3
269/85

Plural clamps

5
269/76

Set screw type

67
269/56

Relative to a station

145
269/57

Rotary (e.g., dial type)

116
269/63

With indexing steps

68
269/66

Cam or eccentric means

23
269/64

Corrugated

9
269/68

Pawl-rack

20
269/69

Peg-hole

101
269/70

With bias means

14
269/67

Pin-rack

10
269/65

Threaded

4
269/71

With plural means for changing holder positions

512
269/73

Means for dual position only

159
269/72

Single lock for plural means

16
269/8

Magnetic holder

242
269/329

Miscellaneous

102
269/3

Operator supported

255
269/4

Convertible to bench supported

9
269/6

Handle manipulation for jaw actuation

345
269/5

With opening through handle for work supply

5
269/53

Pin-type holder

63
269/54.1

With means to drive pin into work

29
269/54.2

Including opposed coacting pins

2
269/54.3

Three or more pins

12
269/54

With work-overlying clamp

16
269/54.4

With work-underlying support

19
269/54.5

Pin perpendicularly extended

75
269/37

Plural holders to hold workpieces relative to each other

232
269/40

Fixed work-contacting portions for each holder

46
269/38

Fletching jig (i.e., arrow feathering holder)

16
269/45

With means to relatively array or arrange holders

218
269/41

Workpieces normal to each other (e.g., miter clamps)

204
269/42

Means for simultaneous actuation of holders

32
269/43

Workpieces parallel to each other (e.g., box-shook clamp)

500
269/44

Three holders

13
269/9

Plural selectively used holders

34
269/10

Work stop abutment

9
269/86

Relatively movable jaws

37
269/91

Clamp couple element with fastening means

94
269/93

Responsive to element actuating means

92
269/94

Rocking-element type

68
269/92

With plural actuating means

7
269/88

Convertible to other type or form of holder

119
269/103

For cable about thimble (e.g., rigger's vise)

2
269/130

Including constrictable loop (strand or articulated) jaw

50
269/131

Flaccid loop

66
269/132

With means to actuate a coacting jaw

18
269/126

Including pivoted yoke frame jaw carrier

16
269/129

With jaw actuating means intermediate yoke legs

5
269/127

With specific latch means

8
269/128

Latch means includes jaw actuating element(s)

14
269/89

Jaw actuation locks holder position relative to base

11
269/257

Jaw features

44
269/258

Angularly alignable

100
269/259

Attachments and/or inserts

6
269/264

Loosely positioned between coacting jaws

10
269/260

With hook type fastener means

2
269/261

With socket type fastener means

33
269/262

With threaded type fastener means

16
269/263

With yieldable type fastener means

4
269/271

Attachment(s) and/or insert(s)

46
269/277

Coacting elements loosely positioned between jaws

43
269/278

Elements jointed by a pivot or link

7
269/272

Interdigitated

13
269/273

Named material

6
269/274

Nonmetallic

35
269/279

Selective

42
269/280

By substitution

18
269/284

With detent type fastener means

23
269/283

With socket type fastener means

125
269/282

With threaded type fastener means

95
269/281

With yieldable type fastener means

8
269/276

With magnetic fastening means

17
269/275

Yieldable element

53
269/265

Plural spaced work contacting portions

40
269/268

Angular and/or curved jaw face

93
269/270

Complementary to work configuration

48
269/269

Opposed jaw faces diversely shaped

25
269/266

Settable elements conformable to work contour

190
269/267

With pressure equalizing means

20
269/165

Means for direct manual adjustment of jaw(s)

16
269/166

With cant type adjustment lock

84
269/171

Including interlocking abutting surfaces

9
269/167

Including separate cant member

12
269/168

Means for skewing plural members to actuate jaw(s)

7
269/169

Plus additional means to release cant lock

12
269/170

With means to bias member into locked position

43
269/171.5

With tooth-like surface engaging a planar surface

9
269/203

With clamp (or friction) type adjustment-lock

56
269/206

Deformable elastic plug gripping element

1
269/204

Pivoted eccentric for applying lock

23
269/205

Plus additional means to release lock

0
269/188

With common means to both lock and actuate jaw(s)

7
269/196

Cam or eccentric type

20
269/198

Cam in series with diverse actuator

0
269/200

Including radial face and/or axial follower feature(s)

2
269/199

Plural cam surfaces

6
269/197

Plural cams in series

1
269/202

Rack-pinion sector

1
269/189

Screw-nut type

5
269/194

Pawl-rack adjustment lock

3
269/195

To immobilize nut

5
269/190

With wedge means in the lock mechanism

1
269/191

Roll or ball gripping element

2
269/192

With pawl-rack immobilization means

0
269/193

Pivotal or rockable pawl

0
269/201

Toggle type

17
269/207

With detent type adjustment-lock

13
269/210

Movable rack

17
269/212

Pawl-rack

20
269/213

Detent positionable by rocking of screw actuator

0
269/215

Spring urged pawl

8
269/214

With lever type actuator acting through pawl

7
269/208

Peg-hole

54
269/209

For pivoted jaw

8
269/211

Pin-rack

14
269/172

With relative axial shift of screw-nut actuating means

14
269/181

Half nut type

21
269/182

With separate means for lateral nut-screw motion

16
269/183

With pedal means

2
269/184

Interrupted thread type

7
269/185

Antipodal screw thread sectors

5
269/186

Rack-like nut thread sector

2
269/187

With continuous screw thread

0
269/173

Split nut type

4
269/178

With screw mounted means for lateral segment motion

0
269/174

With separate means for lateral motion of segments

3
269/176

Common to spaced parallel screw means

0
269/177

Control travels with screw

0
269/175

Including weight biased lever

1
269/179

With longitudinally rockable actuating screw

4
269/180

Direct hand tilt

2
269/216

Means to actuate jaw(s) (i.e., apply holding force)

32
269/254R

Bias type (e.g., weight, spring, resilience)

190
269/254CS

Coil spring

172
269/254DF

Dental flask

0
269/254D

Drawing board

3
269/254MW

Movable weighted member

6
269/229

Cam, eccentric or wedge type

78
269/236

Cam on end pivoted hand lever

124
269/231

Cam surface is jaw face

40
269/235

Eccentric cylinder or disc

45
269/233

Including cam slot or groove

55
269/232

Including radial face and/or axial follower feature

14
269/234

Slidable wedge

133
269/230

With position latch

3
269/237

For pivoted jaw(s)

64
269/238

First class lever action type

145
269/239

Third class lever action type

112
269/225

Gear type

28
269/227

Rack and pinion

21
269/226

Worm

15
269/221

Plural means for one jaw

52
269/223

Including means to move nut

0
269/222

Plural intergeared screw-nut actuating means

13
269/240

Screw-nut type

36
269/241

Differentially threaded

14
269/242

Right and left threaded

51
269/243

Rotating nut means

50
269/244

Screw held at ends for rotation only

113
269/246

Screw travels with jaw

105
269/249

C-clamp type

183
269/250

Means to keep faces parallel and/or translate jaw

8
269/251

Flange and/or slot

19
269/252

Traveling means parallel to screw

21
269/253

Plural traveling elements coplanar with screw

23
269/247

Screw within traveling box-beam guide

28
269/248

With separable or replaceable nut means

2
269/245

With means for relative rotation of elements

4
269/228

Toggle type

211
269/218

With common means for each of coacting jaws

28
269/219

Spaced parallel screw means

28
269/220

With specific means for angular positioning of jaws

18
269/224

With yieldable means in actuation train

56
269/217

Work camming or wedging action type

34
269/104

Plural jaw pairs, angularly oriented, for common work

25
269/107

Interrelated actuating means

8
269/108

Constricting loop common to plural jaw pairs

13
269/109

Four relatively movable corner-angled jaws

10
269/110

One actuated jaw carries a second actuated jaw

12
269/111

Quadrilateral frame type

35
269/118

Actuated jaw couples perpendicularly related

26
269/119

Actuator for each side

12
269/115

Actuator located at corner

7
269/116

Actuators at diagonal corners

3
269/117

Actuator at each corner

4
269/124

Adjustment means at diagonal corners

1
269/125

Adjustment means at four corners

1
269/122

Adjustment means including attached wedge means

3
269/123

Wedge means attached by chain

0
269/121

Adjustment means intermediate ends of side

5
269/112

Diagonally moved jaw

9
269/120

One couple adjusted and one couple actuated

1
269/113

Plural actuating means for one side

5
269/114

Plural actuators on each of two sides

4
269/105

Three jaw couples in three nonparallel planes

3
269/106

With actuating means for each couple

4
269/152

Plural jaw pairs

130
269/155

Acting in intersecting planes

60
269/154

One jaw common to plural coacting jaws

61
269/153

With common actuating means

48
269/286

Specific material(s) used for holder

63
269/285

Specific means for wear, strain, protection, assembly

76
269/156

Three coacting work grippers

113
269/133

Weight of a vertically disposed panel actuates jaws

25
269/134

With means for "hold-down" component of force

41
269/137

Inclined actuator and/or jaw travel

38
269/136

Moved by linearly acting jaw

79
269/135

With rockable work contacting member

11
269/138

With wedge or cam means

53
269/164

With means for lateral adjustment of jaw portions

29
269/139

With means to align coacting jaw faces

97
269/157

With means to bias jaw(s) toward nonholding position

74
269/161

Leaf spring between pivoted jaws

1
269/158

Pedal lever actuator

11
269/159

Including position latch or lock

5
269/160

Spring coil around actuating screw

12
269/162

Spring coil around or abutting cam or cam follower

2
269/163

With articulated attachment or insert for jaws

4
269/95

With means to fasten holder to support (e.g., portable)

139
269/97

Clamp type fastening means

112
269/98

Unitary fastener-jaw and holder-jaw

16
269/102

Nail or spur fastening means

21
269/99

Socket type fastening means

71
269/100

Aperture in support

53
269/101

Threaded fastening means

45
269/96

Wrench or plier type of work holder

21
269/151

With means to orient actuating force on jaws

2
269/256

With paralleling mechanism for jaws

21
269/90

With separate means to lock jaw(s) after actuation

13
269/140

With separate positioning means for each of jaw pair

6
269/141

Adjustable positioning only

4
269/146

Means to both actuate and adjust the same jaw

0
269/150

Pivoted jaw actuator means

4
269/147

Portable straight beam type

41
269/149

Extensible beam

10
269/148

Plural parallel beams

6
269/142

Separate means to actuate each of a jaw pair

7
269/143

Portable c-clamp type

46
269/145

Same actuator type for each jaw

2
269/87

With tool couple element

15
269/87.1

With guide means

17
269/87.3

Hole type

26
269/87.2

Slot type

57
269/7

Solidification of work contacting medium

60
269/900

Supporting structure having work holder receiving apertures or projections

263
269/46

Suspended holder

66
269/15

With catch pan

52
269/12

With dry run work driving means

1
269/20

With fluid means

197
269/25

Cylinder-piston means directly moves jaw(s)

118
269/26

With equalized pressure on plural (nonopposed) jaws

24
269/27

Cylinder-piston means in series with additional positioning means

100
269/29

Including self-contained manual pump means

6
269/32

Mechanical means between fluid means and jaw

397
269/33

Including opposed cylinder-piston means

5
269/34

Single fluid unit moves plural spaced jaws

71
269/30

With common fluid means for holding and releasing

18
269/31

Cylinder-piston unit rotatably and/or pivotally mounted

8
269/28

With separate air means in series with liquid means

9
269/24

Plural positioning means sequentially operated

120
269/21

Vacuum-type holding means

876
269/35

With guide means

19
269/22

With movable diaphragm

94
269/23

With safety means

11
269/17

With ground traversing means

230
269/11

With holder illuminating means

16
269/16

With part or tool holding receptacle

84
269/19

With plumb indicator

5
269/13

With product discharge facilitator

55
269/14

Product mover

14
269/908

Work holder for cathode-ray tubes

23
269/905

Work holder for doors and door frames

89
269/903

Work holder for electrical circuit assemblages or wiring systems

495
269/907

Work holder for fishing flies

18
269/904

Work holder for positioning elements of building in installed location

176
269/910

Work holder for prefabricated roof truss or wall frame

125
269/906

Work holder for skis

45
269/909

Work holder for specific work

176
269/902

Work holder member with v-shaped notch or groove

181
269/315

Work-stop abutment

123
269/318

Abutment mounted between spaced parallel arms

28
269/319

Plural spaced abutment surfaces

51
269/317

Resiliently urged abutment

28
269/316

Vertically compressible abutment

12
269/320

With motor drive abutment moving means

16
269/289R

Work-underlying support

456
269/296

Gapped support

375
269/302

Enclosed gap

8
269/297

With movable work-stop abutment

31
269/298

Abutment movable in gap

6
269/299

Plural separately mounted slidable abutments

12
269/301

With abutment lock

4
269/300

With abutment position indicator

1
269/302.1

Mixing or kneading board

112
269/289MR

Movable roller

87
269/309

Support mounting means

307
269/311

Means to hold plural support blocks

16
269/314

Blocks enclosed by holder

3
269/312

By through rod

3
269/313

Blocks enclosed by holder

7
269/310

Support resiliently urged upwardly

111
269/307

With sight gage

47
269/290

With tool couple element

29
269/292

Element projectable through support

16
269/293

In support surface

18
269/294

Cylindrical element

9
269/295

Guiding slot for horizontally moving tool

64
269/291

With work-stop abutment

41
269/308

With work supply supporting means

11
269/303

With work-stop abutment

248
269/304

Attached to movable support portion

60
269/305

Multiple direction restrainer

104
269/306

Suspended abutment

10
 
 
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