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Class Information
Number: 81
Name: Tools >
Description: In this class are tools which are not structurally limited to any classified art.










Class Number Class Name No. of Patents
81/DIG.11

Adapters for different-sized fasteners

35
81/DIG.7

Bicycle spoke or nipple wrench

10
81/28

Bit stock having manual drive means (e.g.,brace)

18
81/29

Having ratchet mechanism

11
81/31

Adjustable pawl

1
81/32

Pivoted pawl

3
81/33

Sliding pawl

2
81/30

Straight crank arm

5
81/35

Having u-shaped crank arm

9
81/37

Bit shaft inclined relative to crank

3
81/36

Speeding gear

2
81/34

Straight stock having side driving gear

1
81/13

Bolt holders

75
81/16

Chuck key

39
81/2

Combined wrenches and pumps or oilers

3
81/DIG.8

Crowfoot-type wrenches

6
81/19

Deformable head mallet

10
81/DIG.4

Double adjustments, sliding jaw

0
81/4

Engravers' clamps

3
81/484

For adjusting variable positioned parts

77
81/15.9

For lock or latch

64
81/3.8

Fuse pullers

41
81/20

Hammer

186
81/23

Having nail placer

44
81/24

Magnetic

35
81/26

Having plural striking faces

39
81/25

Having replaceable striking face

40
81/22

Having shock absorbing means

100
81/21

Having work protector surrounding face

12
81/27

Rod encircling type

24
81/487

Hand held holder or having clamp

86
81/489

Handle for tool

264
81/492

Having cap or reinforcing means

37
81/491

Having discrete relatively movable tool clamp

10
81/490

Having storage compartment

239
81/44

Holder, pusher, or setter for driven-type fasteners

135
81/9.3

Hose-clamp appliers

58
81/463

Including tool driving by impact delivering component or cooperating anvil

130
81/464

Motor or gear driven

41
81/465

Structurally constrained to arcuate movement

27
81/466

About turning axis of work engaging portion

46
81/DIG.10

Iris-type wrench head

0
81/3.7

Leaf-spring spreaders

1
81/488

Miscellaneous

217
81/10

Nut lock

8
81/8.1

Packing

16
81/9.22

Perforator and inker

63
81/DIG.9

Pivoted jaw latch means

2
81/9.26

Plowshare holder

1
81/DIG.12

Power hammer

4
81/3.07

Receptacle closure remover

43
81/3.09

Combined or plural

214
81/3.15

Attached to receptacle or closure

47
81/3.4

Gripping type

160
81/3.41

Finger grapple type

22
81/3.43

With deformable strip-tightening means

88
81/3.44

With pivoted closure-engaging parts

68
81/3.42

With reciprocating closure-engaging

33
81/3.08

Having discrete retainer or receptacle for removed closure

32
81/3.48

Impaling or inserting type

58
81/3.49

With lateral projection or abutment

7
81/3.55

Levering or prying type

226
81/3.56

Having discrete relatively movable portions

33
81/3.57

Having handle, intermediate hook, and end fulcrum

54
81/3.47

With impaling or inserting remover

33
81/3.35

Movable into or over handle

9
81/3.2

Power-, vacuum-, or fluid pressure-operated

133
81/3.45

Screw type

66
81/3.25

Wall or surface mounted or supported

39
81/3.27

Lever or prying type

18
81/3.33

Rotary remover device, gear or lever actuated

34
81/3.31

With receptacle supporting or grasping means

22
81/3.32

With bottom support

45
81/3.36

With additional receptacle-engaging means

67
81/3.39

Bottom support

34
81/3.29

For engaging receptacle about closure (e.g., socket type)

94
81/3.37

Lever- or gear-translated closure remover

68
81/15.2

Repair tools for resilient tires

13
81/15.6

Cement injectors

30
81/15.5

Combined cement injectors and plug or patch inserters

8
81/15.4

Deflating tools

2
81/15.3

Holders for spread tire casings

4
81/15.7

Plug or patch inserters

32
81/486

Resilient article tensioner or compressor

50
81/3.05

Shell, projectile, or wad extractors

15
81/45

Shingle tool

95
81/15.8

Skid chain applying tools

40
81/3.5

Spectacle

12
81/3.6

Plier

7
81/DIG.2

Spiral drive for wrenches

4
81/485

Spreader

67
81/DIG.6

Spring means biasing wrench jaws

5
81/9.21

Stamp scarifier

0
81/9.2

Stylus

10
81/9.24

Tappet adjuster

11
81/300

Tool jaw(s) positioned by relatively movable plural handles (e.g., pliers)

39
81/385

Adjustable relationship between jaw(s) and/or handle(s)

28
81/393

By angular orientation of one handle portion relative to other

12
81/405

By manipulation of pivot-carrying member

26
81/406

With angular orientation of eccentric pivots joining handles

4
81/386

By relative positioning of jaw(s) only

6
81/387

Both jaws adjustable

12
81/388

By threaded elements

7
81/390

Rotatable nut type

2
81/389

Rotatable screw type

9
81/391

Maintained by detent and rack

9
81/392

Maintained by locked interdigitated members

9
81/407

By relative sliding or slipping of handles

24
81/408

With fulcrum-carrying member

11
81/409

With positive lock for member

13
81/409.5

With spring urged lock for member

23
81/414

With opposed interdigitated concentric segmental annular portions

18
81/411

With pivot pin fulcrum in notched slot

30
81/412

With flattened cross section pin

15
81/413

With toothed-member fulcrum on notched handle

31
81/394

By selection of pivot hole(s) in each handle

13
81/395

By threaded adjustment means

7
81/397

Peripherally threaded handle manipulated for travel relative to other handle

0
81/402

Rotatable nut on screw

3
81/404

Nut attached to joint

1
81/403

Screw attached to joint

1
81/399

Rotatable screw in nut

1
81/401

Nut attached to joint

1
81/400

Screw attached to joint

0
81/398

Threaded element travels relative to both handles

2
81/396

Worm and rack type

3
81/302

Antipodal jaw surfaces move apart as handles approach (e.g., outwardly expanding jaws)

122
81/415

Crossed handles

39
81/416

Joint detail

91
81/417

Resiliently urged

42
81/427.5

Handle

148
81/301

Including hydraulic features

26
81/418

Jaw features

152
81/421

Jaw attachment and/or inserts

76
81/424

Articulated

39
81/422

Selective

17
81/423

By detachment

93
81/420

Jaws extend laterally beyond side edge plane of handle(s)

58
81/424.5

Nonplanar jaw face

72
81/426

And diversely shaped face

89
81/426.5

Work conforming face

103
81/419

Tined or digitated jaws

28
81/342

Jaw-actuating means (handle-manipulation conversion)

30
81/345

Axial motion of handle-attached actuators(s)

10
81/383.5

Including cam actuator and pivoted jaw

8
81/364

Including claw lever and rack or notch means

6
81/366

Plural teeth on claw

2
81/365

With adjustment means

4
81/381

Including grip lever actuator and pivoted jaw (e.g., tandem levers)

15
81/382

With adjustment means

7
81/383

With link connecting jaw and grip lever

21
81/367

Including toggle means

95
81/376

With connecting rod between grip lever and actuated jaw

6
81/377

With connecting rod between grip lever and handle member

3
81/378

With actuated jaw pivoted on handle member

4
81/379

With means for resiliently biasing jaw and/or toggle

3
81/380

Extension coil spring between jaw and handle member

9
81/373

With means for relative parallel movement of jaws

20
81/372

With means to limit movement of intermediate pivot

7
81/374

With pitman between grip lever and intermediate pivot

7
81/375

With toggle linkage and actuated jaw mounted on carrier

7
81/368

With toggle release

30
81/369

By means acting on intermediate pivot

5
81/370

Release means carried by grip lever

28
81/371

Mounted on intermediate pivot

4
81/346

Pivotal motion about axis of parallel actuator rod(s)

2
81/384

With adjustment means

6
81/355

With means for sliding jaw actuation

43
81/359

Claw lever and rack or notch

7
81/360

Plural teeth on claw

5
81/361

Grip lever and cam

9
81/362

Grip lever and link

18
81/363

Toggle link

32
81/358

Pinion and rack

15
81/356

With adjustment means

19
81/357

Pivoted pawl type

24
81/347

With means to articulate and/or slide both jaws

5
81/348

With means for arcuate motion of both jaws

6
81/349

Cam actuator

12
81/350

Dual pivoted actuator levers

4
81/351

With jaws pivoted together

9
81/352

With means for parallel movement of work-engaging surfaces

19
81/354

Lateral guide means

2
81/353

Longitudinal guide means

7
81/343

With means to choose one of a plurality of actuator leverages

1
81/344

Predetermined and discrete member of leverage selections

2
81/427

Resiliently urged

22
81/329

With means (nontoggle) to hold jaws against only retrograde movement

10
81/339

Coacting friction means

2
81/340

Serrated surfaces

1
81/331

Manipulated lock member

11
81/332

Pivoted bail

0
81/337

Pivoted pawl

9
81/336

Pivoted rack

2
81/333

Sliding yoke

5
81/334

Threaded member

0
81/335

Nut

0
81/338

Rack and pawl means

10
81/330

With plural preselective jaw positions

1
81/314

With means for step-by-step jaw movement

16
81/313

With means requiring a completion of travel of jaw movement

49
81/315

With means to immobilize handles against relative angular movement and means to move jaw(s) thereafter

8
81/317

With means for relative longitudinal handle movement

0
81/316

With plural selective handle positions

1
81/318

With means to immobilize jaws

35
81/321

Including spring-urged handles or jaws

6
81/322

And spring-urged latch

13
81/324

Positive lock means

15
81/325

With plural selective jaw positions

9
81/328

Interdigitated lock means

14
81/326

Threaded lock means

3
81/327

With threaded jaw adjustment means

1
81/323

Spring-urged latch element(s)

11
81/320

With lock-disabling means

13
81/319

With lock-release means

24
81/341

With means to vary range limit(s) of jaw movement

11
81/303

With three or more jaws

13
81/304

With single pair of handles

9
81/305

Double pair janus-jawed

6
81/306

With jaws fixed to handle(s)

3
81/307

With intermediate jaw(s) in line with and between outer jaws

4
81/311

With separate jaw pairs

12
81/312

Parallel jaws perpendicularly spaced

1
81/308

With three jaws only

3
81/310

Three coacting pivoted jaws

4
81/309

Two pivoted jaws and one sliding jaw

7
81/DIG.1

Tool-support adjuncts

5
81/6

Watchmakers'

15
81/7

Jewel setters'

12
81/7.5

Mainspring winders

21
81/8

Ruby pin setters

0
81/9.4

Wire stripper

172
81/9.51

Bench tools

348
81/9.41

Having relatively movable clamp and blade

67
81/9.43

Blade moves relative to handle to remove insulation

48
81/9.42

Clamp and blade move relative to supporting structure

41
81/9.44

Pivoted blade

77
81/46

Wooden flooring tool

22
81/901

Wrench or screwdriver adapted to turn eye screw

21
81/900

Wrench or screwdriver constructed from specific material

66
81/DIG.5

Wrench scales and indicia

53
81/52

Wrench, screwdriver, or driver therefor

100
81/180.1

Attachment, or including adjunct or replaceable portion

171
81/181

Cutters

1
81/182

Rotary

6
81/185.2

Movably mounted

18
81/185.1

Removable jaw face

28
81/183

Roller clutch

4
81/184

Shank-embracing

30
81/185

Socket reducers

76
81/77

Double-ended, simultaneous adjustment

14
81/64

Flexible

154
81/65.2

Link

12
81/68

Handle jaw

10
81/70

Duplex

1
81/69

Pivoted

4
81/65.4

Toothed adjustment

1
81/65

Threaded adjustment

12
81/58

Handle clutched to head

86
81/58.3

Axially movable clutching parts

84
81/59.1

Ball or roller wedge

108
81/60

One-way detent drive, e.g., ratchet

414
81/61

Pivoted pawl

101
81/62

Reversing

211
81/63

Single

265
81/63.1

Reversing

285
81/63.2

Single pawl

265
81/58.4

Positive two-way drive (e.g., dog clutch)

56
81/58.5

Radially extending eccentrically movable handle

14
81/58.2

Radially slotted or open end head

69
81/58.1

With additional head-turning means

107
81/177.1

Handle or shank

309
81/177.8

Angularly adjustable handle

220
81/177.9

With yieldable one-way detent

102
81/177.2

Extensible handle or handle extension

426
81/177.6

Foldable or flexible

163
81/177.3

Having finger opening

22
81/177.4

Having means to store parts

339
81/177.7

Having pivoted handle section

173
81/177.75

Universal joint

79
81/177.5

Having terminal cross arm

95
81/177.85

Including socket and boss type connecting means

388
81/462

Having stationary structure for supporting wrench or screwdriver

58
81/436

Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver)

266
81/437

Combined with or usable as diverse-type wrench

100
81/438

Having structure adapting portion or tool for separation

236
81/439

Including discrete, separately usable inserted portions

232
81/440

Pivotally or rotatably mounted

119
81/441

Inserted portion cuts into or deforms cavity

71
81/460

Inserted portion having plural, noncollinear blades (e.g., phillips)

125
81/461

Inserted portion having plural, separate, work-engaging projections

121
81/442

Inserted portion having relatively movable components

30
81/443

Having camming or wedging element for moving components

40
81/444

Axially shiftable element located between and wedging against components

18
81/445

With threaded surface for cooperating with mating tool structure

9
81/446

Rotatable element located between and camming against components

16
81/447

Having cooperating threaded element type actuating means

7
81/448

Having resilient or spring biased component

39
81/449

Biased component rotated about axis collinear to rotational axis of tool

3
81/459

Inserted portion having threaded periphery

25
81/450

Inserted portion mounted to pivot or swivel relative to longitudinal axis of handle

28
81/451

With separate means for guiding or gripping work

197
81/456

Having member with work underlying portion

21
81/457

Member spring biased for axial movement

11
81/458

Resilient member

8
81/454

Having pivoted, relatively movable, work gripping members

20
81/455

With camming or wedging element for moving members

15
81/452

Having resilient, relatively movable, work gripping members

57
81/453

With camming or wedging element for moving members

41
81/186

Jaw faces

149
81/54

Machine

115
81/55

Bolt-holding

131
81/56

Gear-operated

48
81/57.42

Direct drive

11
81/57.43

Flexible

23
81/57.44

Fluid

81
81/57.45

Oblique angle

0
81/57.46

Tangential engagement

25
81/57.32

Double or duplex

30
81/57

Gear-operated

47
81/57.26

Adjustable angle drive

28
81/57.27

Flexible shaft

7
81/57.31

Common axis drive

70
81/57.22

Multiple drive or driven means

75
81/57.23

With magazine

2
81/57.28

Oblique angle drive

10
81/57.3

Parallel axis drive

136
81/57.29

Right angle drive

158
81/57.15

Round work

74
81/57.18

Cam-operated jaw

105
81/57.17

Flexible jaw

31
81/57.19

Fluid-operated jaw

70
81/57.2

Pivoted jaw

100
81/57.21

Sliding jaw

46
81/57.16

With additional work-engaging means

125
81/57.11

With motor

70
81/57.12

Oblique angle drive

9
81/57.14

Parallel axis drive

121
81/57.13

Right angle drive

115
81/57.24

With support

59
81/57.25

Vehicular

13
81/57.36

Multiple work-engaging means

76
81/57.33

Round work

120
81/57.34

With additional work-engaging means

156
81/57.35

With support

54
81/57.39

Step by step

263
81/57.37

With feed or magazine means

165
81/431

Including chute having longitudinal axis collinear with rotational axis of work turning portion

26
81/434

Including driven, flexible, work supporting strip

147
81/435

Including driven, reciprocating, conveying member

53
81/433

Including revolvably driven work contacting member

42
81/432

Including vibratory work supporting member

5
81/430

Utilizing fluid to convey work

34
81/57.4

With support

66
81/57.41

Vehicular

16
81/57.38

With tensioning means

96
81/92

Pivoted inner jaw

11
81/93

Nut or screw fulcrum

2
81/94

Pin fulcrum

12
81/95

Roller jaw

1
81/96

Pinion

1
81/97

Spring-pressed

11
 

Pivoted outer jaw

 
 

Fixed fulcrum

 
81/98

Nontraveling jaw

23
81/99

Spring-pressed

36
81/100

Traveling jaw

11
81/101

Nut fulcrum

2
81/102

Rocking sleeve

1
81/103

Spring-pressed

4
81/104

Fulcrum washer

0
81/105

Sleeve-enclosed nut

1
81/106

Traveling fulcrum

1
81/110

Fulcrum tooth and rack

0
81/109

Slotted guide

8
81/107

Threaded handlebar

1
81/108

Axillary rotating

0
81/111

Pivoted side jaw

60
81/112

Bevel-closing

11
81/113

Cammed into socket by axial nut or screw

4
81/114

Sleeve socket nut

5
81/115

Rotating ring

4
81/116

Wedge

6
81/117

Rocking link

4
81/118

Transverse screw clamp

3
81/90.1

Plural pivoted jaws and handle-lever

27
81/90.2

Cam or gear operated

33
81/91.2

First jaw pivoted directly to handle and to second jaw

11
81/90.9

Including means to adjust or to secure jaw in adjusted position

10
81/90.3

Jaws enclose work

26
81/90.4

Including latch to connect jaw to handle-lever

4
81/90.5

At least three jaws enclose work

7
81/90.6

Including latch to connect pivoted jaws

4
81/90.7

At least three jaws enclose work

4
81/90.8

Two jaw pairs connected by latch

0
81/91.1

Slidable pivot

7
81/91.3

Two jaws pivoted directly to intermediate member

11
81/429

Responsive to movement of work

99
81/467

Responsive to torque on work

252
81/469

Means for regulating motor

74
81/470

Fluid motor

59
81/471

Permanently deformable component

32
81/472

Relatively movable work contacting components

18
81/473

Rotatable, coaxial, clutching components

102
81/475

Having complementary formations

112
81/476

Having friction type contact surfaces

38
81/474

Having intermediate, disparate, interlock element

54
81/468

With marking mechanism

20
81/477

Work engaging portion attached to and turned by resilient member

53
81/478

Work engaging portion pivotally or rotatably connected to handle

77
81/480

Axis of connection coaxial to rotational axis of work

32
81/481

With arm extending from portion

12
81/482

With pivoted locking pawl

4
81/483

With arm extending from portion and through connection

61
81/479

With electric signal device

71
81/178

Reversible jaws

5
81/119

Rigid jaws

168
81/125.1

Double-ended

136
81/121.1

Enclosed (e.g., socket)

319
81/124.6

Having axial opening for removable handle

84
81/124.7

Having perpendicular handle

55
81/124.4

Plural sockets

138
81/124.5

Slidably or pivotally connected to handle or each other

66
81/124.2

Slotted socket

160
81/124.3

Through socket and perpendicular handle

139
81/122

Watch and clock keys

0
81/123

Dust protectors

0
81/124.1

With nut ejectors

32
81/125

Work-holding

260
81/120

Round work

55
81/129

Slidable jaw adjustments

57
81/129.5

Rack

20
81/131

Interlocking jaw handles

2
81/132

Locking set screw or nut

3
81/133

Pinion lock

26
81/134

Pivoted rack catch

8
81/138

Cam-seated

7
81/139

Indirectly operated

6
81/140

Intermediate fulcrum

2
81/135

Nontraveling

11
81/136

Intermediate fulcrum

2
81/137

Transverse

2
81/141

Shank-engaged cam

1
81/142

Sliding rack catch

11
81/143

Cam-seated

8
81/144

Screw- or nut-seated

1
81/145

Spring-seated

29
81/146

Spring-seated jaw frame

5
81/147

Integral frame and teeth

1
81/148

Wedge lock

3
81/149

Wedge pusher

1
81/150

Shank grip

5
81/152

Clutch yoke

7
81/154

Locking incline

4
81/153

Roller clutch

2
81/151

Side jaw

4
81/155

Thread

20
81/156

Displaceable half nut

4
81/157

Displaceable nut or screw

19
81/158

Traveling screw, shank rack

7
81/159

Interrupted

6
81/160

Nut set

2
81/161

Traveling nut

0
81/162

Traveling screw, shank rack

1
 

Nontraveling rotatable nut

 
81/166

Intermediate

24
81/167

Causing outer jaw to slide

21
81/168

Terminal

5
81/169

Causing outer jaw to slide

5
81/170

Nontraveling rotatable screw

78
81/171

Bracket-bearing

2
81/172

Spiral groove engaged by slidable actuator

3
81/163

Right and left threads

17
81/164

Rotatable threaded handle shank

9
81/165

Sliding side jaw

104
81/173

Traveling and rotating nut

10
81/174

Threaded handlebar

2
81/175

Traveling and rotating screw

15
81/176

Shank rack

7
81/179

Sliding jaw face

64
81/128

Sliding jaw, cam-closing

76
81/126

Sliding jaw, handle-lever grip

41
81/127

Claw

16
81/176.1

Spanner

114
81/176.15

Having means to engage work axially

169
81/176.2

And means to engage peripheral face of work

72
81/176.3

Having relatively movable jaws

44
81/53.2

Stud-removal and implacement

158
81/57.5

Turret head

16
81/73

U-crank arm

21
81/74

Wheel or endless track operated

5
81/75

Hub-rim grasp

1
81/76

Internal

1
81/53.1

With elongated hot line stick

66
81/53.11

Globe manipulator

48
81/53.12

Rotatable grasper

31
81/DIG.3

Wrenches, thread-adjustment lock

8
 
 
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