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Class Information
Number: 384
Name: Bearings >
Description: GENERAL STATEMENT OF CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
384/624

Bearing safety or self-cleaning means

135
384/625

Bearing-surface treatment

247
384/900

Cooling or heating

37
384/906

Antirotation key

93
384/907

Bearing material or solid lubricant

112
384/905.1

Cup-shaped bearing

22
384/901

Floating bushing

64
384/911

Including fiber

41
384/907.1

Jewel, glass, ceramic or carbon

199
384/913

Metallic compounds

172
384/912

Metallic

366
384/908

Nylon or polytetrafluorethylene

81
384/909

Plastic

97
384/902

Porous member

130
384/910

Powders

29
384/904

Propeller shaft outer bearing

14
384/903

Retaining ring

143
384/905

Temperature compensation

89
384/7

Linear bearing

61
384/47

Alternating roller; or antifriction bearing for auto seat

77
384/18

Ball bearing for drawer

100
384/49

Ball bearing

258
384/48

Combined ball and roller bearings

20
384/25

Combined plain and antifriction

29
384/15

Combined with seal or guard

219
384/16

Annular

54
384/12

Fluid bearing

240
384/11

For crosshead

10
384/17

For exetension table

7
384/24

Having relatively movable parts for latera insertion and retention of shaft

22
384/13

Lubricating

212
384/14

Bearing for valve stem

5
384/20

Plain bearing for drawer

20
384/22

Anchoring or aligning means

24
384/23

Specified race structure or material

34
384/21

Stop, detent, or lock

63
384/26

Plain bearings

63
384/41

Assembling means

31
384/29

Cylindrical outer race

53
384/30

For die set or stamping mill shaft

26
384/31

For hand-held drill shaft

3
384/32

For piston rod

14
384/27

For flush tank

1
384/34

For seat

29
384/36

For structural installation

36
384/28

For valve stem

6
384/39

Gib

34
384/35

More than two telescoping members

16
384/37

Resilient supporting member

64
384/38

Self-aligning

56
384/42

Specified pad, liner, wear plate or race structure; bearing material

256
384/40

With adjustment means

63
384/43

Recirculating

276
384/45

No cylindrical race

693
384/44

Roller

188
384/19

Roller bearing for drawer

125
384/46

Roller bearing for extensive cylinder

6
384/50

Roller bearing

74
384/57

Adjustment or self-alignment means

92
384/59

Assembling means

31
384/51

Cage configuration

120
384/52

Cylindrical inner or outer track

16
384/53

Location of plural roller sets; more than two telescoping members

40
384/56

Nonaxle supported roller structure

24
384/55

Raceway configuration

69
384/54

Resilient member

53
384/58

Roller-on-axle bearing

101
384/10

Tensioned or resilient race or roller member

39
384/8

With detection, nonbearing magnetic or hydraulic feature

47
384/9

With temperature, electrical, or orthogonal feature

47
384/627

Miscellaneous

31
384/2

Nonjoint, nonrotating fulcrum bearing

57
384/3

Knife-edge fulcrum

3
384/6

Edge down

1
384/5

Edge up

4
384/4

Edges up and down

5
384/91

Rotary bearing

35
384/445

Antifriction bearing

39
384/447

Elliptical, eccentric, alternating roller, or mass ball features; compensating for nonthermal deformation; centrifugal preload

71
384/446

Nonbearing magnetic feature

116
384/449

Outer race integral with wheel

33
384/452

Radial bearing with separate thrust bearing; radial ball-thrust roller

23
384/453

Radial ball-thrust ball

23
384/454

Radial roller-thrust ball

35
384/455

Radial roller-thrust roller

48
384/456

Radial bearing

9
384/490

Ball bearing

85
384/519

Adjustment means

68
384/537

Assembling means

367
384/542

Bolt

62
384/541

Radial set screw

24
384/539

Snap means

93
384/540

Threaded sleeve

86
384/538

Wedge means

96
384/517

Axially biased race

204
384/518

Coil spring

66
384/494

Ball and roller bearings

33
384/492

Ball or race composition or material

340
384/491

Ball structure

33
384/523

Cage structure

142
384/533

Entirely noncircular or nonconforming pocket

18
384/528

Fully circular aperture for ball

16
384/530

Plural elements joined to form an aperture

19
384/529

Two circular apertures per ball

1
384/524

Including antifriction members

5
384/527

Material, composition or laminate

89
384/526

Resilient feature

64
384/531

U- or c-shaped slot

65
384/532

Unitary uniform strip

6
384/534

Unitary member

7
384/525

Wire cage

3
384/520

Discrete spacing member

49
384/521

Ball spacer

22
384/522

Roller spacer

7
384/543

Fixed shaft and rotating outer member

45
384/544

For hub

410
384/545

For bicycle hub

113
384/546

Outermost member cylindrical

28
384/547

Outermost member grooved

23
384/512

Plural axially spaced balls with integral race

107
384/535

Resilient support member

171
384/536

Elastomer or plastic

196
384/495

Self-aligning

60
384/496

Ball to larger spherical surface

11
384/497

Radially outer larger spherical surface

12
384/498

Conforming spherical surfaces

34
384/507

Slot for ball insertion

12
384/508

With means for blocking slot

16
384/509

Blocking by cage

2
384/513

Specified bearing race structure

146
384/516

Ball groove surface detail

86
384/515

Including radial race flange

32
384/514

Strictly conical contact surface

13
384/510

Specified means facilitating assembly or disassembly

75
384/511

Annular opening for ball insertion

7
384/499

Split race

33
384/501

Double split

20
384/505

One race only split

25
384/506

Inner race split

47
384/504

Plural rows balls

100
384/502

Split ring

15
384/503

Fractured split

18
384/500

With race adjustment means

18
384/493

Temperature compensation

75
384/461

Concentric

54
384/460

Disk plow

11
384/457

For crankshaft

22
384/458

For pedal crank

37
384/462

Lubricating

179
384/470

Cage structure

146
384/465

Centrifugal feature

55
384/467

Cooling by lubricant

25
384/464

Dipping, surface treatment or member versus lubricant density

18
384/472

Impeller

44
384/466

Jet, baffle or valve

33
384/474

Lubrication port

96
384/475

In race

82
384/468

Oil mist feature

26
384/469

Porous or wick structure

29
384/473

Reservoir, filter or lubrication circuit structure

143
384/463

Solid lubricant feature

69
384/471

With pressure or suction means

45
384/459

Railway car journal

14
384/548

Roller bearing

68
384/584

Assembling means

89
384/585

Race fastening means

194
384/563

Axially biased race or roller

98
384/572

Cage structure

227
384/580

Lip on transverse bar

66
384/576

Nonmetallic

70
384/578

Nonunitary

24
384/579

Bolted, welded or with spring

24
384/574

Projecting into or through roller

37
384/577

Split ring or open slot

45
384/575

Uniform sheet metal

30
384/573

Wire, filament, segmented or surface treated

25
384/551

Discrete circumferential or axial spacer

82
384/552

Spaced by balls

5
384/553

Spaced by rollers

8
384/555

Mating grooves and projections

0
384/554

With associated rings

5
384/586

Fixed shaft and rotating outer member

10
384/589

For hub

129
384/587

Outermost element cylindrical

14
384/588

Outermost element grooved

6
384/549

Fixed supporting roller

92
384/556

Hydraulic axial jacking

37
384/559

Means facilitating assembly or disassembly

68
384/560

By cage or race structure

58
384/561

By groove and ring

33
384/562

By threaded member

29
384/564

Race end structure

115
384/569

Race, liner or sleeve

218
384/570

Split ring

29
384/571

Tapered race

188
384/581

Resilient support member

97
384/582

Elastomer or plastic

57
384/565

Roller structure

121
384/568

Curved roller

83
384/566

Helical feature

4
384/567

Hollow

20
384/558

Self-aligning

79
384/557

Temperature compensation

49
384/550

Toothed

17
384/583

With adjustment means

76
384/476

With cooling, heating or insulating

124
384/477

With specified seal

263
384/478

Centrifugal loading or slinging; fluid seal

101
384/488

Flange small clearance

88
384/480

Labyrinth

128
384/484

Lip seal

238
384/486

Plural lips

199
384/485

Radially outward lip

60
384/489

O-ring or end cap seal

104
384/479

Pressure establishing or loading

21
384/483

Radially contained packing with axially acting follower

16
384/487

Radially opening u-shaped retainer

11
384/481

Relatively rotatable radially contacting

42
384/482

Resilient sliding surface material

134
384/451

Recirculating or nonannular path

6
384/448

Sensor or inspection features; liquid metal or shipping protection features; bearing member integral with seal

652
384/450

Skew prevention; formular relationship

156
384/590

Thrust bearing

14
384/609

Ball bearing

56
384/616

Adjustment means

21
384/617

Assembling means

52
384/614

Cage structure

40
384/613

Plural rows balls or tandem thrust

66
384/615

Race structure

111
384/611

Resilient feature

65
384/612

Self-aligning

37
384/610

Single ball

53
384/608

Concentric rolling members

10
384/604

Different size rolling elements; spacers; noncircular array

13
384/606

Lubricating

43
384/594

Railway truck center bearing

4
384/595

Railway truck side bearing

2
384/596

Ball

3
384/597

Roller

4
384/600

Assembling means

3
384/601

Contaminent elimination; adjustment means

0
384/602

Adjustment by shim

4
384/598

Toothed

1
384/599

With self-adjustment means

3
384/618

Roller bearing

52
384/623

Cage structure

59
384/621

Race and cage structure

43
384/622

Race structure

70
384/620

Resilient feature; adjustment or self-alignment means; assembling means

109
384/619

Roller structure or orientation; plural axially spaced rows or tandem thrust

63
384/607

Seals

81
384/603

Spinning spindle

9
384/605

Temperature compensation

10
384/591

Vehicle center

6
384/592

Ball

9
384/593

Roller

20
384/100

Fluid bearing

503
384/103

Flexible member

98
384/106

Auxiliary resilient support

110
384/104

Plural ends fixed

29
384/105

Thrust bearing

56
384/107

Radial and thrust

547
384/113

Central member recess

81
384/110

Conical

103
384/112

Grooved thrust bearing surface

177
384/111

Outer recess forming fluid pad

39
384/108

Spherical

54
384/109

Gas bearing

29
384/114

Radial

242
384/120

Circumferential groove in outer member

61
384/116

Half-circular or less outer member

24
384/118

Outer recess forming fluid pad

92
384/117

Pivoted fluid pad

105
384/119

Resilient mounting member or seal

177
384/115

Shaft recess

108
384/121

Thrust

161
384/123

Grooved bearing surface

177
384/122

Pivoted fluid pad

67
384/124

Resilient mounting member or seal

107
384/101

With antifriction bearing

42
384/102

Backup

31
384/99

Hydraulic or pneumatic bearing support

308
384/129

Plain bearing

90
384/313

Cooling by lubricant

24
384/314

Emergency lubrication

0
384/316

Fluid path

24
384/315

Water lubrication

7
384/302

Distributed weight

20
384/303

For thrust bearing

24
384/305

Grooved

10
384/306

Pivoted pad

32
384/308

Pad mounting structure

52
384/307

With lubricating means

33
384/304

Tandem thrust

15
384/309

Pivoted pad

43
384/311

Lubricant supply structure

29
384/310

Noncircumferential

9
384/312

Pad mounting structure

45
384/157

For plow or colter disk

11
384/416

For rotary member

32
384/417

Pulley

13
384/418

Roller

45
384/419

Elongated

40
384/226

For vertical shaft

20
384/242

Base supported table or drum

2
384/243

Lower end thrust bearing

15
384/244

For shaped shaft end

13
384/246

Conical shaft end

19
384/245

Spherical shaft end

29
384/227

Spinning spindle

16
384/239

Bolster type bearing

8
384/240

Lower end thrust bearing

4
384/241

With lubricating means

8
384/228

With thrust and radial bearing

17
384/229

Adjustable spindle

7
384/230

Laterally resilient

11
384/234

Fluid damping

5
384/233

Helical coil spring

1
384/231

Resilient sleeve

6
384/235

Rubber

3
384/236

At fixed end

0
384/232

Volute coil spring

1
384/238

Pivoting spindle

0
384/237

With interior dead shaft

1
384/322

Lubricating

98
384/396

Bolt type shaft

13
384/372

Fixed shaft

17
384/384

Clearer and agitator

2
384/373

Forced feed

13
384/380

Internal feed

10
384/383

Capillary

3
384/381

Internal reservoir

8
384/382

Capillary

3
384/375

Shaft-supported reservoir

8
384/376

At end of shaft

1
384/377

Specified external feed

5
384/379

Capillary

2
384/378

Spiral groove

8
384/374

Yoke reservoir

1
384/397

For rotary shaft

70
384/415

For vertical shaft

20
384/398

Forced feed

51
384/399

Lubricant metering structure

33
384/403

Lower reservoir for horizontal shaft

12
384/408

Capillary

10
384/409

With wick biasing means

4
384/404

Shaft operated elevating means

16
384/405

Band or chain

3
384/406

Ring type

15
384/407

Roller or ball

1
384/414

Suction or pressure

4
384/410

With wick retainer

3
384/411

Differing capillary properties

3
384/413

Wick structure

8
384/412

With lubricant impelling means

10
384/400

Reservoir external to bearing

15
384/401

Upper reservoir for horizontal shaft

2
384/402

Capillary

7
384/368

For thrust bearing

54
384/370

Capillary

4
384/371

For bearing at end of shaft

21
384/369

Forced feed

24
384/385

Reservoir in rotating member

14
384/387

Capillary

4
384/391

Center feed

4
384/390

End feed

2
384/389

Feed to shaft end and center

4
384/392

Including distributing means

5
384/393

Including inward deflector

1
384/394

Including rotary blade

0
384/386

Removable reservoir

1
384/395

With agitator

1
384/388

With feed regulator

3
384/428

Mounting or support

132
384/441

Annular support

45
384/440

Bearing surface integral with support

19
384/434

Block and cap type

61
384/429

For crankshaft

70
384/432

Block and cap type

45
384/433

Engine housing closure

19
384/430

Connecting rod

21
384/431

Pedal type crank

9
384/435

Lock type

11
384/436

Pivoted

4
384/437

Having bolt securing means

4
384/438

Machine housing

25
384/439

Mounted in wall aperture

56
384/442

Single direction

4
384/443

From above

5
384/444

From below

6
384/275

Radial collar and sleeve

90
384/158

Railway car journal

3
384/191

Brasses

1
384/191.3

Assembling means

3
384/191.2

Bearing surface liner or inserts

3
384/191.4

Mounting structure

3
384/191.1

Self aligning

2
384/188

Includes thrust bearing

0
384/187

Interior

0
384/189

Lid

0
384/190.6

Lid structure

1
384/190.7

With latch

0
384/190

Mounted for swinging

0
384/190.1

About pivot at right angle to plane of lid

0
384/190.2

Spring and cam biased open

0
384/190.3

With roller

0
384/190.4

Spring biased closed

0
384/190.5

Sliding

0
384/160

Lubricating

3
384/162

For brass bearing

6
384/163

Reservoir fed

0
384/164

Capillary

4
384/161

For thrust bearing

2
384/181

Wick structure

0
384/165

With lower reservoir

0
384/170

Capillary

2
384/175

With capillary material retainer

0
384/176

Integral with box

0
384/171

With wick biasing means

0
384/172

Metal spring

0
384/173

Coil spring

1
384/174

Rubber

1
384/177

Including roller applicator

0
384/178

Yeildably supported

0
384/179

Coil spring

0
384/180

Spring under compression

0
384/166

Journal operated feed

2
384/167

Band

0
384/168

Centrifugal

0
384/169

Pump

1
384/182

Sheet metal journal box

0
384/159

With guard or seal

0
384/183

With journal retainer and guide

0
384/184

Lateral guide

1
384/185

Mounting feature

1
384/186

Resilient

0
384/158.1

With resilient mounting member

0
384/154

Rocking type bearing

11
384/155

Lubricated

4
384/156

Movable pivot axis

3
384/192

Self-adjusting or self-aligning

159
384/206

Ball and socket

132
384/208

Assembly

71
384/211

Of ball

6
384/212

Sectional

7
384/209

Separable ball retaining member

34
384/210

Lock ring

29
384/207

Sheet metal socket

22
384/213

With lubricating means

38
384/214

Having felt or wick

10
384/205

Fixed pivot axis

14
384/193

For vertical shaft

21
384/201

Having body and spindle connector

0
384/197

Oscillating thrust bearing

0
384/198

Resiliently centered

2
384/195

Oscillatory suspension

2
384/196

Resiliently centered

6
384/199

Shaft balancing means

4
384/200

Resiliency on radial bearing

4
384/194

With lower thrust and upper radial bearing

3
384/202

Resilient

76
384/203

Ball and socket

66
384/204

For electric motor

34
384/317

Specified cooling means

30
384/321

Coolant path

31
384/319

Frozen lubricant

3
384/318

Mist

2
384/320

Nonliquid cooling

12
384/276

Specified sleeve or liner

294
384/282

Bearing surface insert

67
384/283

Groove

50
384/284

Pocket array

27
384/285

Circular pocket

24
384/294

For crankshaft

132
384/277

Insulating

21
384/280

Liner on shaft

41
384/281

Removably secured

26
384/286

Lubricant distributing

102
384/288

For crankshift

69
384/289

For rotary member

10
384/290

Outer sleeve on shaft

5
384/291

Groove

102
384/292

Helical or herring bone

86
384/287

High speed

16
384/293

Pocket array

25
384/295

Mounting feature

160
384/296

Radial protrusion or sleeve end flange

144
384/297

Nonmetal

193
384/298

Fabric layer and capillary passages

33
384/299

Nylon

27
384/300

Polytetrafluorethylene (e.g., teflon*)

106
384/279

Porous metal

151
384/301

Spirally split

3
384/278

Temperature compensating

59
384/420

Thrust bearing

150
384/424

Axially spaced collars

18
384/421

For pivot of towed vehicle

31
384/422

For pivot of vehicle wheel frame

19
384/423

For railway car side

40
384/425

Including thrust plate at shaft end

53
384/427

Axially related hub liner

6
384/426

Plural end plates

8
384/247

With adjustment means

42
384/252

And support

20
384/255

Eccentric

76
384/254

For horse power or sand reel

0
384/256

For roller end support

14
384/257

For suspended shaft

4
384/258

Screw adjustment

17
384/259

Horizontal and vertical

8
384/260

Rectilinear

9
384/253

Simultaneous adjustment

3
384/261

Bearing surface

13
384/263

Adjustable bearing surface segment

13
384/264

Axial adjustment

7
384/265

Axially spaced annular segments

2
384/266

Two opposed bearing surface segments

6
384/270

For connecting rod

2
384/267

With wedge adjustment

7
384/268

For connecting rod

2
384/269

Transverse screw adjustment

2
384/262

For axle

4
384/274

Pressure applying

3
384/273

Split sleeve

59
384/271

Tapered sleeve

29
384/272

Split

14
384/248

For thrust bearing

21
384/250

For crankshaft

3
384/251

For thrust plate

4
384/249

Threaded member moves axially

14
384/215

With resilient mounting member

173
384/218

Coil spring

15
384/219

Biased bearing surface segment

16
384/216

For connecting rod

2
384/223

For thrust bearing

32
384/225

Helical coil spring

5
384/224

Pivoted pad

13
384/217

Lock type

5
384/220

Nonmetallic

80
384/222

Cylindrical

71
384/221

Laminated

53
384/130

With specified seal

114
384/137

And scraper

3
384/145

Arcuate bearing surface

22
384/146

Axially spaced lip

11
384/135

Centrifugal

27
384/136

With wick

7
384/131

Fluid actuated

12
384/132

Fluid barrier

104
384/134

Gas

19
384/133

Magnetic fluid

72
384/144

Labyrinth

39
384/147

Lip seal

63
384/148

With radially acting bias means

6
384/150

Mechanically actuated

11
384/149

Radially contained packing with axially acting follower

5
384/139

Relatively rotatable radially contracting

8
384/142

Axially translatable member rotatable with shaft

5
384/141

Diaphragm

7
384/140

Flexible sealing member

25
384/143

Plural seals

9
384/151

Resilient sealing surface

24
384/153

Elastomeric

16
384/152

O-rings

31
384/138

Unitary bearing and seal

42
384/126

Plural bearings one plain and one antifriction

70
384/127

Roller

33
384/128

Tapered roller

6
384/125

Resilient bearing surface

96
384/92

Roller drill bit

44
384/95

Inserts or bearing surface detail

100
384/93

Lubricating detail

103
384/96

Roller cone retaining means

53
384/94

Seal detail

119
384/97

Water lubricated propellor shaft or well shaft

59
384/98

With elongated strips or staves

26
384/626

Shim for bearing

78
384/1

Vibratory (e.g., piezoelectric or kinetic bearing

30
 
 
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