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Class   254	IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE
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1

MISCELLANEOUS

2R

HOISTING TRUCK

3R

Tilting load support

3B

Service station type

3C

Platform type

4R

Cable hoist

4B

Service station type

4C

Platform type

5R

Inclined plane or wedge

5B

Service station type

5C

Platform type

6R

Rack and pinion or segment

6B

Service station type

6C

Platform type

7R

Screw

7B

Service station type

7C

Platform type

8R

Single throw lever

9R

Toggle

9B

Service station type

9C

Platform type

10R

Parallelogram bars

10B

Service station type

10C

Platform type

8B

Service station type

8C

Platform type

2B

Service station type

2C

Platform type

10.5

METALLIC SPRING STRETCHER AND/OR COMPRESSOR (E.G., LEAF, HELICAL, OR COIL SPRINGS)

11

FLOOR JACK TYPE

12

Rack and pinion or segment

13

Screw

14

Step-by-step traveling member

15

Single-throw lever and bar

16

Sliding bar

17

Single throw lever

18

NAIL EXTRACTOR TYPE

19

Hammer and anvil

20

Screw

21

Single throw lever

22

Lever and pivoted jaw grip

23

Multiple jaw grip

24

Cam or wedge actuated

25

Claw bar

26R

Hammer

26E

Extensible fulcrum

27

Pivoted fulcrum member

28

STAPLE PULLER

28.5

THILL-COUPLING JACK

29R

PIPE OR ROD JACK

30

Lifter

31

Reciprocating clutch

29A

Tie rod tensioner

32

AXLE-LUBRICATING JACK

33

CAR JOURNAL BOX LIFTING

34

Suspended lifter

35

CAR-PUSHER TYPE

36

Pinch bar

37

Rail clamping

38

Pivoted wheel engaging member

39

DOOR BRACE

40

PRINTER'S QUOINS

41

Screw

42

Wedge

43

RAIL OR TIE SHAFTER

44

Single throw lever

45

VEHICLE-BODY LIFTERS

46

Lever and drum

47

Cable hoist

48

Vehicle attached drum

49

Swinging side bars

50

Single fixed pivot

50.1

RESILIENT TIRE-CASING SPREADERS

50.2

Spreader and tire casing relatively movable or rotatably mounted

50.3

Fluid pressure operated

50.4

With tire casing support

134.3R

METHOD OR APPARATUS FOR PLACEMENT OF CONDUCTIVE WIRE

134.4

By fluid pressure differential in conduit (e.g., parachute sucked through conduit)

134.5

Tractor for pulling wire (e.g., battery-powered)

134.6

Step-by-step type (e.g., by camming against messenger)

134.7

Sectional members for fishing

134.3PA

Utility pole guide

134.3CL

Cable lashing

134.3FT

Conduit snakes

134.3SC

Submarine cable

199

PORTABLE IMPLEMENTS OR APPARATUS FOR TENSIONING FLEXIBLE MATERIAL OR FOR EXTRACTING STUMPS OR POLES

200

Material comprises resilient floor covering (e.g., carpet)

201

Including fluid or spring driven cylinder

202

Including force transmitting cable and driven, rotatable, cable engaging drum

203

Including driven, rotatable, floor covering engaging and pulling drum

204

Including screw drive

205

Including rack and pinion, or pinion segment, drive

206

Including ratchet bar and driving pawl drive

207

Having plural, disparate, driving pawls

208

Including rotatable, pulley wheel element and cable

209

Including force transmitting, hand held and operated, lever

210

With means attached thereto for sequentially, gripping, shifting, and releasing bar component

211

With floor covering clamping means attached to lever

212

Having linearly shifting, guided component attached thereto

213

Including rotatably driven drum for engaging either material or force transmitting cable

214

Plural drums or drum with plural distinct sections

215

Juxtaposed to material or cable at single locus

216

Having pressure element spaced therefrom to confine material or cable thereagainst

217

Having ratchet wheel and interengaging pawl for driving drum

218

Pawl pivots about fixed point on drive handle

219

Having intermeshing gears for driving drum

220

Worm and worm wheel

221

With projections or apertures on drum for engagement with complementary formations on material or cable

222

With means for preventing or retarding rotation in at least one direction

223

Ratchet wheel or formation and pawl

224

With adjustable gripping device for attaching drum to rigid, in situ structure

225

With material or cable contacting infeed guide

226

Rotatable pulley wheel element

227

With ground-engaging support means

228

Including expansible chamber fluid motor drive

229

Including worm and worm wheel gear drive

230

Includng rack and pinion, or pinion segment, drive

231

Including screw drive

232

Plural screws

233

Having plural, oppositely shifting, threaded riders

234

Having plural, oppositely shifting, threaded riders

235

Having ratchet wheel and pawl for driving screw

236

Having intermeshing gears for driving screw

237

Including ratchet bar and driving pawl drive

238

Having plural, disparate, driving pawls

239

Plural ratchet formations

240

Facing opposite directions

241

Including intermeshing gear drive

242

Including rotatable, pulley wheel element and cable

243

Including either force transmitting, hand held and operated lever or animal powered sweep

244

Implement or apparatus includes bar component having plural holes and removable cooperating pins selectively engagable by lever

245

With means attached thereto for sequentially gripping, shifting, and releasing bar component

246

Having linearly shifting, guided component attached thereto

247

With ratchet formation and locking pawl for maintaining relative positioning

248

With additional, hand held lever pivotally attached thereto for applying pulling force in opposite direction

249

Having position locking means between levers

250

With camming means thereon, and pressure element spaced therefrom to confine material, or force transmitting cable, thereagainst

251

With material, article, or force transmitting cable clamping means attached to and shifting with lever

252

Including cooperating, relatively stationary means for intermittently locking material or cable

253

Plural clamping means

254

Alternately clamping and pulling on material or cable

255

Attached by flexible connector

256

With material, article, or force transmitting cable engaging means movably attached to and shifting with lever

257

Including cooperating, relatively stationary means for intermittently locking material or cable

258

Plural, movably attached engaging means

259

Alternately engaging and pulling on material or cable

260

Attached by flexible connector

261

With means pivotally connected to lever and adapted to engage rigid, in situ structure

262

Including adjustable gripping device for attaching implement or apparatus to rigid, in situ structure

263

Including ground engaging means for supporting implement or apparatus in plural, vertically spaced positions

84

TRAVERSING JACK

85

Screw

418

VEHICLE ATTACHED JACK

419

Semi-trailer landing gear

420

Attached to trailer tongue

421

Turntable

422

Rocking lever

423

Hydraulic or pneumatic

424

Screw actuated

425

Gear driven

426

Cable actuated

427

Rack and pinion

264

APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE

265

Device includes driven, flexible, cable contacting belt

266

Device includes rotatably driven, cable contacting drum

267

Having rotational speed governor for generating control impulse to rotation retarding means or drive

268

Having mechanism, actuated by changes in position of drum relative to another component of device, for generating control impulse to rotation retarding means or drive

269

Having stationary mechanism, actuated by load or other obstruction on and traveling with cable, for generating control impulse to rotation retarding means or drive

270

Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive

271

With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable

272

With cable deflecting or path defining component shifted by cable when tension varies

273

Electricity or fluid utilized in transmittal of impulse

274

Having mechanism, linked to drum or rotating element of drive, for generating control impulse to rotation retarding means or motor when torque on drum varies

275

Electricity utilized in transmittal or impulse

276

Having mechanism, linked to drum and actuated by number of drum rotations, for generating control impulse to rotation retarding means or drive

277

With fluid or resilient shock absorbing or tension maintaining means attached to, supported by, or supporting guiding structure for cable

278

Plural drums or drum with plural distinct sections

279

With vehicle for supporting at least one drum

280

Having rotatable, cable guiding, pulley wheel element spaced from drums

281

Element repositionable relative to at least one of the drums

282

Drive for at least one drum includes motor of vehicle

283

Having rotatable, cable guiding, pulley wheel element spaced from drums

284

Element repositionable relative to at least one of the drums

285

Plural elements

286

Plural elements

287

Juxtaposed to cable at single locus

288

With means affixing at least one drum to supporting base and allowing movement between drum and base

289

Movement engages or disengages drum from drive

290

Plural, distinct, drive motors

291

Noncompressible fluid

292

Electric

293

Each drum having plural, distinct drive sources or discrete drive trains

294

Having common drive source or mechanically interlinked drive trains

295

Including intermeshing gears in drive

296

Worm and worm wheel

297

Epicyclic gear train having sun, intermediate (e.g., planet), and ring gears

298

Shiftable into and out of intermeshing engagement

299

Also including clutch mechanism having coaxial, rotatable, relatively shiftable axially, power transmitting components

300

With frictional brake assembly mechanically linked to, and operationally influenced by, clutch

301

With additional axially shiftable clutch mechanism mechanically linked to, and operationally influenced by, first clutch

302

Alternately transmitting power

303

Fluid operated actuator shifts component

304

Components having frictional contact surface

305

Truncated cone shaped

306

Also including ratchet wheel and driving pawl

307

Plural driving pawls

308

Attached to rotatable disk or shaft

309

Also including clutch mechanism having rotatable, radially shiftable, power transmitting component

310

With means for preventing or retarding rotation of one or more drums in at least one direction

311

Including sprocket wheel and chain in drive

312

Including power transmitting pulley and rope or belt either in drive or in cable return means

313

Including contacting friction wheels having noncollinear axes of rotation in drive

314

Including expansible, noncombustible, fluid motor in drive (e.g., air, steam)

315

Including noncompressible fluid motor or pump in drive

316

Including electric motor in drive

317

Including clutch mechanism in drive having coaxial, rotatable, relatively shiftable axially, power transmitting components

318

With frictional brake assembly mechanically linked to, and operationally influenced by, clutch

319

Components having frictional contact surface

320

Including ratchet wheel and interengaging driving pawl in drive

321

Including means for preventing or retarding rotation of one or more drums in at least one direction

322

Frictional brake assembly having rotating, wheel structure and shiftable shoe or band

323

With vehicle for supporting drum

324

Having arch-shaped body for straddling load

325

Having rotatable, cable guiding, pulley wheel element spaced from drum

326

Element repositionable relative to drum

327

Plural elements

328

Drive for drum includes motor of vehicle

329

With means affixing drum to supporting base and allowing relative movement therebetween

330

Movement engages or disengages drum from drive

331

Movement occurs along line collinear with rotational axis of drum during pulling of cable

332

Including pivotal, rotational, or swivel connection between drum and base

333

Having pressure element spaced from drum to confine cable thereagainst

334

Having rotatable, cable guiding, pulley wheel element spaced from drum

335

Element repositionable relative to drum

336

Plural elements

337

Cable supported

338

Plural elements

339

Having plural, distinct drive sources or discrete drive trains

340

Including two or more motors

341

Drive includes rack and either pinion or pinion segment

342

Drive includes intermeshing gears

343

Worm and worm wheel

344

Epicyclic gear arrangement including sun, intermediate (e.g., planet), and ring gears

345

Shiftable into and out of intermeshing engagement

346

Drive also includes clutch mechanism having coaxial, rotatable relatively shiftable axially, power transmitting components

347

With frictional brake assembly mechanically linked to, and operationally influenced by, clutch

348

With additional axially shiftable clutch mechanism mechanically linked to, and operationally influenced by, first clutch

349

Fluid operated actuator shifts component

350

Components having frictional contact surface

351

Truncated cone shaped

352

Drive also includes ratchet wheel and driving pawl

353

Plural driving pawls

354

Attached to rotatable disk or shaft

355

Drive also includes clutch mechanism having rotatable, radially shiftable, power transmitting component

356

With means for preventing or retarding rotation of drum in at least one direction

357

Ratchet wheel or formation and locking pawl

358

Drive includes sprocket wheel and chain

359

Either drive or cable return means includes power transmitting pulley and rope or belt

360

Drive includes expansible, noncombustible, fluid motor (e.g., air, steam)

361

Drive includes noncompressible fluid motor or pump

362

Drive includes electric motor

363

Drive includes contacting friction wheels having noncollinear axes of rotation

364

Either drive or cable return means includes spring

365

Drive includes clutch mechanism having coaxial, rotatable, relatively shiftable axially, power transmitting components

366

With frictional brake assembly mechanically linked to, and operationally influenced by, clutch

367

Fluid operated actuator shifts component

368

Components having frictional contact surface

369

Drive includes ratchet wheel and interengaging driving pawl

370

Drive includes clutch mechanism having rotatable, radially shiftable, power transmitting component

371

With means on circumference of drum, or relatively movable drum components, for grasping cable

372

With projections or apertures on drum for engagement with complementary structural formations on cable

373

With pickup or pushing means on circumference of drum for cooperating with structure attached to, or formed on, end of cable

374

Having noncircular or varying diameter, cable contacting perimeter

375

Including means for preventing or retarding rotation of drum in at least one direction

376

Ratchet wheel or formation and locking pawl

377

Fluid resistance brake

378

Frictional brake assembly having rotating, wheel structure and shiftable shoe or band

379

Having fluid actuator for shifting shoe or band

380

With portable housing for drum and hand manipulated means for removably fastening housing to supporting base or load

381

With structure (e.g., sweep, tree, yoke) adapting drum to be powered by draft animal

382

Including static receiver spaced from drum for storing pulled cable

383

With cable guard structure extending partly around and closely adjacent to drum

384

Including hand held and operated lever with plural cable engaging means movably attached thereto for alternately contacting and pulling on cable

385

With rotatable, cable contacting, pulley wheel element attached to and reciprocated by driving component of device

386

Element reciprocated by expansible fluid motor

88

INCLINED PLANE LIFTER

89R

MULTIPLE LIFTERS (E.G., VEHICLE LIFTS)

90

Track-straddling platform

91

Swinging platform

92

Screw

89H

Fluid pressure

93R

FLUID PRESSURE

93VA

Vehicle attached

93L

Service station lifts

93A

Combined with screw

93HP

Inflatable portable bags

93H

Portable automobile jacks

94

ROCKING SUPPORTS

95

RACK AND PINION

96

Screw pinion

97

Geared

98

SCREW

99

Derrick type

100

Special engaging feature

101

Rocking head or base

102

Telescoping screws

103

Geared

104

WEDGE

105

STEP-BY-STEP TRAVELING BAR

106

Clutch actuated

107

Multiple driving clutches

108

Pawl actuated

109

Multiple driving pawls

110

Reversing

111

Reversing

112

Rack and lever

113

SINGLE THROW LEVER AND BAR

114

Sliding bar

115

Rack bar and segment

116

Adjustable

117

Lateral shoe

118

Rack bar

119

Adjustable

120

SINGLE THROW LEVER

121

Rail or tie lifter

122

Lazy tongs

123

Lever-supported thrust bar

124

Mechanically actuated

126

Screw

127

Cable

128

Block and tackle

129

Adjustable

130

Multiple fulcrums

131

Special engaging feature

131.5

Fulcrumed fork or shovel

132

Root puller type

387

LOAD ENGAGING MEMBER AND POWER TRANSMITTING CABLE FOR SHIFTING MEMBER RELATIVE TO STRUCTURE WHICH CONTACTS AND GUIDES MEMBER

133R

SPECIAL ENGAGING ELEMENTS

134

Adjustable

133A

Sharing props (nonhydraulic)

388

MEANS SUPPORTED BY, AND MAINTAINING RELATIVE SPACING BETWEEN, LONGITUDINAL RUNS OF AN ENDLESS LOAD MOVING CABLE

389

DEVICE OR MEMBER FOR CONTACTING AND GUIDING MOVING CABLE

390

Including rotatable, cable contacting, pulley wheel element

391

With mechanism for retarding or preventing cable movement or element rotation

392

With fluid, shock absorbing or tension restoring mechanism connected thereto

393

Plural elements or element with plural cable contacting regions

394

At least two of the elements having noncollinear axes of rotation

395

Juxtaposed to cable at single locus

396

Having juxtaposed elements repositionable relative to one another

397

Including additional element spaced along cable path

398

Having one element repositionable relative to another element

399

Repositionable element supported by cable (e.g., traveling block)

400

Having axes perpendicular or skewed

401

With portable block for elements and hand manipulated means for removably fastening block to support base or load

402

Having portion of block repositionable for insertion or removal of cable or for exposure of elements

403

With guard or guide for maintaining cable on elements

404

Including antifriction means for elements

405

With block for element and portion thereof repositionable for insertion or removal of cable or for exposure of element

406

Portion revolves about axis of rotation of element

407

With means, or element structure, enabling object or obstruction on cable to bypass or travel over element

408

With block for element having stationary portion adapted to coact with element to grip cable

409

With portable block for element and hand manipulated means for removably fastening block to support or load

410

Fastening means remotely operable or breakaway type

411

With guard or guide for maintaining cable on element

412

Including antifriction means for element

413

With means for affixing element to support base and allowing relative movement therebetween

414

Including elastic member

415

Including pivotal, rotational, or swivel connection

416

With antifriction means for element

417

Having cable contacting portion revolving around another component of device

900

CABLE PULLING DRUM HAVING WAVE MOTION RESPONSIVE ACTUATOR FOR OPERATING DRIVE OR ROTATION RETARDING MEANS

901

ANTIFRICTION MEANS FOR CABLE PULLING DRUM

902

EITHER DRUM, PULLEY WHEEL ELEMENT, OR CABLE CONSTRUCTED FROM SPECIFIC MATERIAL

903

YIELDABLE, CONSTANT ENGAGEMENT, FRICTION COUPLING (E.G., SLIP CLUTCH) IN DRIVE FOR CABLE PULLING DRUM

DIG1

JACK BASES

DIG2

ELECTRIC SCREW JACKS

DIG3

JACK HANDLES

DIG4

OBJECT ENGAGING HEADS FOR JACKS

DIG5

MEANS FOR DEPRESSING FOOT BRAKE WHEN ADJUSTING SAME

DIG6

FLEXIBLE RACK AND PINION

DIG7

PRINTERS FORM TRUCKS

DIG8

SCREW JACKS, PLURAL SECTION NUT

DIG9

VEHICLE-OPERATED LIFT PLATFORM

DIG10

TIRE OR RIM EXPANDING OR CONTRACTING DEVICES

DIG11

CABLE DRUM FEED FOR PRESSER

DIG12

PAWLS

DIG13

VEHICLE RETARDING DRUMS

DIG14

ROPE ATTACHMENT

DIG15

MOTOR CLAMPS

DIG16

AUTOMOBILE TRANSMISSION JACK

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