Class   172	EARTH WORKING
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1

PROCESSES

2

AUTOMATIC POWER CONTROL

3

. (1 indent ) Motive power control

4

. (1 indent ) Constant depth type

4.5

. (1 indent ) Land leveller type

5

. (1 indent ) Obstruction sensing type (includes plant sensing)

6

.. (2 indent ) Electrical

7

. (1 indent ) Draft responsive

8

.. (2 indent ) Variable rate responsive

9

.. (2 indent ) With manual actuator to select type of condition sensed

10

.. (2 indent ) Sensitivity adjustment

11

.. (2 indent ) With excess draft release

12

.. (2 indent ) Overload lift type

13

LAWN EDGER

14

. (1 indent ) With or convertible to non-earth working implement

15

. (1 indent ) Rolling or driven cutter

16

.. (2 indent ) With fixed cutter or furrower

17

. (1 indent ) With wheel or roller

18

. (1 indent ) Impact or grapple

19

SOD CUTTER

20

. (1 indent ) With means for vertical transverse cutting while moving

21

LAWN AERATOR OR PERFORATOR, OR PLUG REMOVER

22

. (1 indent ) Earth removing

23

DRIVEN FROM OR GUIDED BY STATIONARY OBJECT, OR ANCHORED

24

. (1 indent ) Around tree or stake

25

. (1 indent ) Rotatable about vertical axis

26

. (1 indent ) Guided by surface track or previously formed shoulder

26.5

. (1 indent ) Dragline scraper

26.6

.. (2 indent ) Scraper part rearranged upon reverse movement

27

WITH MEANS FOR CUTTING OR SHREDDING PLANTS WITHOUT SOIL DISTURBANCE

28

. (1 indent ) Driven

29

WITH MEANS FOR SHIFTING SURFACE MATERIAL WITHOUT SOIL DISTURBANCE

30

. (1 indent ) Driven shifting means

31

. (1 indent ) Combined with rolling or vertically acting transverse cutter

32

WITH SEPARATING AFTER EARTH WORKING

33

WITH POWER DRIVEN MOLDBOARD, CONVEYER OR HANDLER

34

COMPLETE APPARATUS ADAPTED FOR USE UPSIDE DOWN

35

WITH DRIVE MEANS FOR TOOL OR CLEANER

36

. (1 indent ) Subsurface shears or nippers

37

. (1 indent ) Tool rotated by attendant

38

. (1 indent ) With obstruction feeling device for moving or releasing implement

39

. (1 indent ) With cleaner or comminutor spaced from ground surface

40

. (1 indent ) Vibrating tool

41

. (1 indent ) Attendant supported tool

42

. (1 indent ) Guided by walking attendant

43

.. (2 indent ) With ground support vertically adjustable relative to frame

44

. (1 indent ) Subsurface shaft or bar (e.g., rod weeder)

45

. (1 indent ) Flails

46

. (1 indent ) Coaxial tools oppositely rotated

47

. (1 indent ) With specific relationship of mast-type hitch (i.e., three-point hitch) to implement

48

. (1 indent ) Plural driven tools

49

.. (2 indent ) Contiguous cooperating or intermeshing rotary ground engaging tools

49.5

... (3 indent ) Rotating about vertical axes

50

.. (2 indent ) Diverse tools

51

... (3 indent ) All rotary

52

.... (4 indent ) Parallel axes

53

... (3 indent ) Rectilinearly reciprocating tool

54

... (3 indent ) Oscillating tool

54.5

.. (2 indent ) Tool reciprocates or oscillates within a generally horizontal plane

55

.. (2 indent ) Plural groups of disks

56

.. (2 indent ) Staggered tools

57

.. (2 indent ) Laterally spaced tools

58

... (3 indent ) Longitudinal axes

59

... (3 indent ) Vertical axes

60

... (3 indent ) Transverse axes

61

. (1 indent ) Intermittent drive for tool

62

.. (2 indent ) With spring return

63

. (1 indent ) With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)

64

.. (2 indent ) Non-driven furrow opener and driven dam former

65

.. (2 indent ) Interdigitating non-driven and driven tools

66

.. (2 indent ) Cooperating driven cleaner or comminutor and contiguous tool

67

.. (2 indent ) Driven comminutor at outlet of earth guide

68

.. (2 indent ) Rolling tool

69

... (3 indent ) With tool drive from rolling tool

70

.. (2 indent ) Fore-and-aft non-driven tool

71

.. (2 indent ) Non-driven tool follows path of driven tool

72

... (3 indent ) Leveling drag or furrow shaper

73

.. (2 indent ) Staggered driven and non-driven tool (e.g., cotton chopper, etc.)

74

. (1 indent ) With power take-off from tool drive to adjust tool

75

. (1 indent ) Interconnected tool lift and drive control

76

. (1 indent ) Implement with ground support for depth control

77

.. (2 indent ) Vertically biased implement

78

.. (2 indent ) Vertically adjustable ground support

79

.. (2 indent ) Tool driven from prime mover on vehicle

80

. (1 indent ) With wheel substitute (e.g., runner, etc.)

81

. (1 indent ) With plant deflector or protector

82

. (1 indent ) Driven tool selectively shiftable along line of travel

83

.. (2 indent ) Tool drive interrupted by shifting tool

84

. (1 indent ) Simultaneously reciprocating and oscillating blade having elongated shank

85

.. (2 indent ) Transverse chopping type

86

... (3 indent ) With plural cranks or cams driving each blade

87

... (3 indent ) Means for varying contour of path of blade

88

.. (2 indent ) With plural cranks or cams driving each blade

89

.. (2 indent ) Means for varying contour of path of blade

90

. (1 indent ) Irregular or off-center ground-engaging wheel or support

91

. (1 indent ) Blade movable with respect to cyclically driven carrier

92

.. (2 indent ) With means for moving blade

93

... (3 indent ) Rectilinearly reciprocating blade

94

... (3 indent ) Blade oscillating arcuately or swivelly with respect to rotary carrier

95

... (3 indent ) By cam or crank

96

.. (2 indent ) Blade flexible or with yieldable mount on carrier

97

. (1 indent ) Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating)

98

. (1 indent ) Tool mounted for lateral shifting

99

.. (2 indent ) About generally vertical axis

100

. (1 indent ) Blade on endless driven belt or chain

101

. (1 indent ) Tool guided for rectilinear reciprocation

102

.. (2 indent ) Tool moves in horizontal, transverse path

103

. (1 indent ) With overload relief or clutch in drive train (e.g., overload release, etc.)

104

.. (2 indent ) Unidirectional clutch in drive from ground wheel

105

. (1 indent ) Driven from rolling or driven ground wheel

106

.. (2 indent ) Belt or chain drive

107

. (1 indent ) Tool driven about horizontal, longitudinal axis

108

.. (2 indent ) Rotary driven tool

109

... (3 indent ) Adjustable tooth or blade

110

. (1 indent ) Tool driven about generally vertical axis (e.g., oscillating choppers, etc.)

111

.. (2 indent ) Rotary driven tool

112

. (1 indent ) With deflector or shield for thrown material

113

.. (2 indent ) Laterally directed outlet flow

114

. (1 indent ) Specific propelling means

115

.. (2 indent ) Tool steers implement

116

.. (2 indent ) Tool propels implement

117

. (1 indent ) Tool freely or yieldably mounted on chassis

118

. (1 indent ) Tool driven about axis transverse to draft line

119

.. (2 indent ) Screw or spiral rib, blade or tooth row

120

.. (2 indent ) Disk or planar cutter (e.g., saw, etc.)

121

.. (2 indent ) Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)

122

.. (2 indent ) Drum with teeth or blades

123

.. (2 indent ) Rotary driven tool

124

. (1 indent ) Tool driven about diagonal axis

125

. (1 indent ) Tool drive details

126

WITH EARTH MARKER

127

. (1 indent ) Marker shiftable on turning

128

. (1 indent ) Marker adjusted upon raising implement

129

. (1 indent ) Ground wheel operated marker control

130

. (1 indent ) Multiple interconnected markers

131

.. (2 indent ) Markers on laterally shiftable member

132

. (1 indent ) Marker swingable about longitudinal axis to both sides

777

SCRAPER SUPPORTS NARROW DEPENDING TOOL

778

. (1 indent ) Tool supporting clamp means engage upper and lower edges

779

SCRAPER POSITION AUTOMATICALLY CONTROLLED BY LINKAGE FOR LEVELLING

780

SCRAPER BETWEEN WIDELY SPACED FRONT AND REAR GROUND SUPPORTS

781

SCRAPER BETWEEN FRONT AND REAR GROUND SUPPORTS OF VEHICLE

782

. (1 indent ) With laterally offset inclined shoulder forming tool

783

. (1 indent ) With scraper attached ground support

784

. (1 indent ) With diverse tool or portion

785

.. (2 indent ) Non-scraping tool precedes and spaced from scraper

786

. (1 indent ) Plural scrapers

787

.. (2 indent ) Spaced and in same path

788

. (1 indent ) Push frame for scrapers

789

. (1 indent ) Actuator for bodily shifting scraper subframe draft connection

790

. (1 indent ) Counterbalance means for scraper adjustment

791

. (1 indent ) Three or more independently operable scraper actuators

792

.. (2 indent ) Scraper adjustable about vertical axis of annular support

793

... (3 indent ) Actuator for laterally shifting support

794

. (1 indent ) Spring biased into ground contact

795

. (1 indent ) Specific actuator between frame and scraper

796

.. (2 indent ) For adjustment about vertical axis

797

.. (2 indent ) For adjustment about longitudinal axis

798

. (1 indent ) Actuator for tilting wheel relative to vehicle frame

799

. (1 indent ) Specific means for horizontally angling wheel relative to vehicle frame

799.5

TOWED SCRAPER WITH GROUND SUPPORT WHEELS

133

DIVERSE TOOLS

134

. (1 indent ) One located in path of implement wheel

135

. (1 indent ) One implement surrounds another

136

. (1 indent ) Tools usable alternately only

137

. (1 indent ) With means to vary spacing of tools upon turning

138

. (1 indent ) With interconnected vertical adjustment

139

.. (2 indent ) Plow and colter

140

. (1 indent ) With independent means for vertical movement

141

. (1 indent ) Interconnected adjustment of horizontal angle of rolling and position of diverse tool

142

. (1 indent ) Including spring formed tool or standard

143

. (1 indent ) Including intermittently rolling tool

144

. (1 indent ) Colter, jointer and plow

145

. (1 indent ) Three or more diverse implements following same path (A, B, C, or A, B, A,)

146

.. (2 indent ) Four or more

147

... (3 indent ) Alternately diverse (A, B, A, B)

148

.. (2 indent ) Longitudinally spaced like implements with intermediate diverse implement (A, B, A)

149

.. (2 indent ) Including rolling tool

150

... (3 indent ) Smooth levelling roller

151

... (3 indent ) Diverse rolling

152

. (1 indent ) At least four alternately diverse laterally spaced tools (A, B, A, B)

153

.. (2 indent ) Alternate rolling and non-rolling

154

.. (2 indent ) All rolling

155

. (1 indent ) Laterally spaced like tools with intermediate diverse tool (A, B, A)

156

.. (2 indent ) Spaced rolling with intermediate nonrolling

157

.. (2 indent ) Spaced non-rolling with intermediate rolling

158

.. (2 indent ) All rolling

159

.. (2 indent ) Spaced right and left hand tools with intermediate symmetrical tool

160

.. (2 indent ) Including spike tooth

161

. (1 indent ) Including implement alternating for right or left hand operation

162

.. (2 indent ) Reversal of implement adjusts diverse tool

163

. (1 indent ) Jointer and plow

164

.. (2 indent ) Rolling jointer

165

. (1 indent ) Including colter

166

.. (2 indent ) Rolling colter

167

. (1 indent ) Fixed point or share with rotary moldboard

168

. (1 indent ) Rotating tool with fixed moldboard

169

. (1 indent ) Including tool rotatable about vertical axis

170

. (1 indent ) Including smooth levelling roller

171

.. (2 indent ) Spaced from moldboard side of plow

172

.. (2 indent ) With diverse rolling tool

173

.. (2 indent ) With teeth

174

. (1 indent ) Rolling and non-rolling

175

.. (2 indent ) Following same path

176

... (3 indent ) Furrowing or ridging implement followed by furrow or ridge roller

177

... (3 indent ) Rolling tool has circumferentially spaced blades, tines or the like

178

... (3 indent ) Including disk gang

179

... (3 indent ) Non-rolling tool group with laterally co-extensive rolling tool

180

... (3 indent ) Rolling precedes non-rolling (same path)

181

.... (4 indent ) Concave furrowing disk with trailing tool

182

.. (2 indent ) Laterally spaced

183

... (3 indent ) With scissors or shearing action between adjacent faces

184

. (1 indent ) Diverse rolling

185

.. (2 indent ) Spaced on same axis of rotation

186

.. (2 indent ) Plane and dished disks

187

.. (2 indent ) Differing in size

188

. (1 indent ) Runner attached

189

. (1 indent ) Including fabric or flexible tool

190

. (1 indent ) Including vertical, longitudinally oriented disc or blade (e.g., as stabilizer)

191

.. (2 indent ) Plural

192

. (1 indent ) Including horizontal knife or cutter

193

. (1 indent ) First tool with spaced trailing sweep

194

.. (2 indent ) Sweep adjustable

195

. (1 indent ) Second implement follows path of first

196

.. (2 indent ) Including subsoiler

197

.. (2 indent ) Teeth and scraper, leveller or drag

198

.. (2 indent ) Including teeth

199

.. (2 indent ) Including drag, scraper or levelling blade

200

... (3 indent ) Proceeded by implement of different type

201

. (1 indent ) Laterally spaced

202

.. (2 indent ) Spaced from moldboard side of plow

203

... (3 indent ) Connected to moldboard or handle

204

ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER)

205

. (1 indent ) Draft revoluble on transverse axis

206

. (1 indent ) Interrelated tool shift and lateral movement of draft member

207

.. (2 indent ) Draft member reversed

208

.. (2 indent ) Draft member latch control

209

. (1 indent ) Interrelated tool lift and shift

210

.. (2 indent ) Mast type hitch

211

.. (2 indent ) Lift by ground support manipulation

212

. (1 indent ) Interrelated tool shift and ground support manipulation

213

. (1 indent ) Tools oriented for movement in opposite directions

214

.. (2 indent ) Wheeled frame with reversible draft member

215

.. (2 indent ) Tilting beam

216

.. (2 indent ) Pivoted about spaced transverse axes, or translated

217

.. (2 indent ) With movable deflector

218

. (1 indent ) Shiftable moldboard

219

. (1 indent ) Tool shifted for opposite throw

220

.. (2 indent ) Reversible disk with reversible cleaner

221

.. (2 indent ) Plural tools shifted about individual vertical axes

222

... (3 indent ) With translational movement of axes

223

.. (2 indent ) Moldboard type shiftable about longitudinal axis

224

. (1 indent ) Axially rotatable implement

225

.. (2 indent ) With actuator

226

... (3 indent ) Gearing

227

.... (4 indent ) Chain or cable

228

. (1 indent ) Parallel separate tools

229

.. (2 indent ) Interconnected for simultaneous raising and lowering

230

.. (2 indent ) Independently operable

231

... (3 indent ) Power derived from ground wheel

232

. (1 indent ) Oblique axis in longitudinal vertical plane

233

WITH OBSTRUCTION FEELER FOR MOVING OR RELEASING IMPLEMENT TO AVOID OBSTRUCTION (INCLUDES DAM FORMER)

234

. (1 indent ) Relatively movable

235

.. (2 indent ) Latch releasing

236

GROUND ENGAGEABLE DRAFT RESPONSIVE LEVER

237

. (1 indent ) Roll over type implement

238

GROUND SUPPORT MOVED VERTICALLY RELATIVE TO FRAME BY DRAFT MEANS

239

DRAFT, PITCH OR GROUND LEVEL RESPONSIVE DEPTH CONTROL

240

WITH GROUND SUPPORT ENGAGEABLE WITH GROUND FOR TRANSPORT ONLY

241

. (1 indent ) Apparatus inverted to engage ground support with ground

242

. (1 indent ) Implement tiltable on longitudinal axis

243

. (1 indent ) Tool changeable to or replaced by ground support

244

. (1 indent ) Tool and ground support moved together relative to frame

245

CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY

246

. (1 indent ) To land vehicle with body

247

. (1 indent ) To device classifiable in another class

248

. (1 indent ) To different type of hitch

249

. (1 indent ) Plural simultaneously usable tools to single tool

250

. (1 indent ) Changeable by disassembly or assembly

251

.. (2 indent ) Tool changeable to diverse tool

252

... (3 indent ) Tool plus added part forms diverse tool

253

.. (2 indent ) Tool added or substracted

254

.. (2 indent ) Tool rearranged on support structure

255

TURN LIFTS TOOL OFF OR LOWERS TOOL INTO GROUND

256

PROPULSION UNIT GUIDED BY WALKING ATTENDANT OR PART OF ARTICULATED VEHICLE

257

. (1 indent ) Riding attendant

258

. (1 indent ) Endless track or single driven wheel

259

. (1 indent ) With vertically adjustable wheel

260

. (1 indent ) With actuator for moving earth working element vertically

260.5

HAVING TOOL OVERLOAD SHIFT CONTROLLED BY A FLUID PRESSURE DEVICE

261

OVERLOAD SHIFTING

262

. (1 indent ) Alternate tool brought into operation upon shift

263

. (1 indent ) Actuator released

264

. (1 indent ) Against spring return device

265

.. (2 indent ) Swinging about fixed pivot axis

266

... (3 indent ) Including toggle linkage

267

.... (4 indent ) Toggle adjustable

268

.... (4 indent ) Toggle links at acute angle

269

. (1 indent ) Resilient latch

270

. (1 indent ) Friction lock

271

. (1 indent ) Frangible lock (e.g., shear pin, etc.)

272

WITH MEANS TO FACILITATE MOUNTING OF IMPLEMENT ON MOTOR VEHICLE

273

. (1 indent ) Tool forward of rear of motor vehicle

274

. (1 indent ) Implement has ground support

275

. (1 indent ) Self-coupling by horizontal movement

810

MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE

811

. (1 indent ) Transversely mounted blade (e.g., bulldozer, etc.)

812

.. (2 indent ) With valve or pump for hydraulic control system

813

.. (2 indent ) Fluid line specifically arranged, or shield for system component

814

.. (2 indent ) Having means controlling drive for interconnected vehicles

815

.. (2 indent ) Contiguous, relatively adjustable blades; or blade having relatively adjustable earth-engaging parts

816

.. (2 indent ) Blade mounting includes resilient connection

817

.. (2 indent ) Removable attachment for general purpose vehicle

818

.. (2 indent ) Blade angle adjustable in a horizontal plane

819

... (3 indent ) Power-operated adjusting means

820

.... (4 indent ) Blade angled about fixed, central, generally vertical axis

821

....• (5 indent ) And tilt of blade adjustable in a generally vertical plane

822

.... (4 indent ) And tilt of blade adjustable

823

... (3 indent ) And tilt of blade adjustable

824

.. (2 indent ) Having adjustable tilt of angularly fixed blade

825

... (3 indent ) About a pivot axis fixed to mounting

826

... (3 indent ) Including adjustable length device between mounting means and upper corner portion of blade

827

.. (2 indent ) Having means to prevent lateral movement of mounting or blade

828

.. (2 indent ) With power means for raising and lowering blade

829

... (3 indent ) Including elongated flexible element (e.g., cable) connecting power means to tool or mounting means

830

... (3 indent ) Power means is fluid servomotor

831

.... (4 indent ) Plural servomotors

832

.. (2 indent ) With blade-carried ground support

833

. (1 indent ) Tool prepares wheel path for passage of wheel

834

. (1 indent ) With tool-carried ground support

278

WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS

279

. (1 indent ) Implement part interconnected with motor vehicle steering means

280

.. (2 indent ) Implement wheel steered

281

.. (2 indent ) Transverse tool bar laterally shiftable

282

. (1 indent ) Wheel on trailing implement responds to turning movement

283

.. (2 indent ) Interconnected with adjustable tool

284

.. (2 indent ) With additional angular adjustment of wheel

285

.. (2 indent ) Rear wheel turned or controlled

286

. (1 indent ) Wheel on non-propelled device

287

.. (2 indent ) Wheel interconnected with tool

288

.. (2 indent ) Plural interconnected relatively movable wheels

289

... (3 indent ) Transversely aligned stub shafts

290

.. (2 indent ) Swinging axle

291

.. (2 indent ) Wheel behind tool

292

SPECIFIC PROPELLING MEANS

293

SERIES OF LIKE ELEMENTS SEQUENTIALLY OPERATED BY POWER CYCLE

294

. (1 indent ) Sequentially operated servo-motors

295

. (1 indent ) Tool forward of rear of motor vehicle

296

. (1 indent ) Shaft with spirally arranged projections

297

TOOL FORWARD OF REAR OF MOTOR VEHICLE

298

. (1 indent ) With ground support

299

. (1 indent ) Power actuator with cut-out or lock-out means

300

. (1 indent ) With rearwardly mounted tool

301

.. (2 indent ) Tools actuated by independent power units

302

... (3 indent ) Front and rear independent

303

. (1 indent ) Power actuator with manual adjusting or supplemental manual actuating means

304

. (1 indent ) Tools independently actuatable

305

. (1 indent ) With means for moving tool laterally

306

. (1 indent ) Connected to front axle

307

. (1 indent ) Parallelogram type lift

308

. (1 indent ) With push bar

309

. (1 indent ) Pivoted on horizontal diagonal axis

310

PLURAL WHEELED IMPLEMENTS

311

. (1 indent ) Outrigged implement adjustable inwardly

312

. (1 indent ) Implement draft connection forwardly of rear of self-propelled vehicle

313

. (1 indent ) Laterally spaced with separate draft tongues

314

. (1 indent ) Implements in echelon (e.g., gang plows, etc.)

315

ACTUATOR ON TRAILING IMPLEMENT, CONTROLLED FROM PROPELLING VEHICLE

316

. (1 indent ) Servo-motor on implement

317

ACTUATOR ON VEHICLE FOR RELATIVELY MOVING PARTS OF TRAILING IMPLEMENT

318

. (1 indent ) Actuator on vehicle moves implement ground support vertically relative to implement frame

319

.. (2 indent ) Interconnected means for moving hitch

320

. (1 indent ) Disk gang angling

321

ACTUATOR ON VEHICLE FOR MOVING WHEELED IMPLEMENT

322

WITH ACTUATOR FOR ROCKING TOOL ABOUT WHEEL AXIS

323

. (1 indent ) Unstable wheeled frame moved by actuator

324

WITH ACTUATOR ON TRAILING GROUND SUPPORTED FRAME FOR MOVING DRAFT MEANS LATERALLY OR VERTICALLY

325

. (1 indent ) Tool rigidly connected to tongue

326

. (1 indent ) Vertically

327

.. (2 indent ) With vertically adjustable ground support

328

... (3 indent ) Interconnected means for adjusting draft means and ground support

329

GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT

330

. (1 indent ) With seat for moving hitch

331

. (1 indent ) Hitch guided relative to supporting frame

332

. (1 indent ) Tool manipulated with respect to mounting frame

333

.. (2 indent ) Arched wheel frame (i.e., straddle row, etc.)

334

... (3 indent ) Seat counterbalanced beam

335

... (3 indent ) With spring biasing means

336

.... (4 indent ) Spring biased upwardly during operation

337

... (3 indent ) Combined implement lift and wheel adjustment

338

... (3 indent ) Tongueless, animal draft

339

.... (4 indent ) With balancing means

340

... (3 indent ) Multiple plant row type

341

... (3 indent ) With added intermediate tool

342

... (3 indent ) Cross connected drag bars

343

... (3 indent ) Foot operated

344

... (3 indent ) With support bracket for transport

345

.. (2 indent ) Manipulated about longitudinal axis

346

.. (2 indent ) Plural tools independently or oppositely manipulable

347

.. (2 indent ) Spring biased

348

.. (2 indent ) Vertically manipulated

349

. (1 indent ) Rolling tool

350

.. (2 indent ) Handle swingably mounted on axis of tool

351

. (1 indent ) Guided or propelled by walking attendant and with ground support or draft means

352

.. (2 indent ) With stepper propulsion means

353

.. (2 indent ) With body harness or engaging means

354

.. (2 indent ) With wheel

355

... (3 indent ) Alternately usable tools rocked about wheel axis

356

... (3 indent ) Plural longitudinally spaced wheels

357

... (3 indent ) Handle forward of tool

358

... (3 indent ) Tool forward of wheel

359

... (3 indent ) Tool and handle relatively vertically adjustable

360

.. (2 indent ) With wheel substitute (e.g., runner, etc.)

361

.. (2 indent ) Handle connected to tool or runner

362

.. (2 indent ) Tool standard connected to handle

363

.. (2 indent ) Plural handles associated with relatively adjustable tools

364

.. (2 indent ) Handle mounted tool adjusting, latching or locking mechanism

365

.. (2 indent ) Tool and handle relatively adjustable

366

... (3 indent ) Vertically

367

.. (2 indent ) Multiple handles connected to multiple longitudinal tool carrying beams

368

.. (2 indent ) Plural handles connected to opposite sides of longitudinal beam

369

... (3 indent ) With brace member

370

. (1 indent ) With attendant attaching means

371

. (1 indent ) Hand tool

372

.. (2 indent ) Adjustable

373

... (3 indent ) Plural tools relatively adjustable

374

.... (4 indent ) At least one tool immovably secured to handle

375

.. (2 indent ) Alternately usable diverse tools or parts

376

.. (2 indent ) Loop type

377

.. (2 indent ) Channel type

378

.. (2 indent ) Plural prongs, teeth or serrations

379

... (3 indent ) Plural rows

380

... (3 indent ) Made from sheet material

381

.. (2 indent ) Non-planar earth working portion

382

MULTIPLE LEVEL TOOLS

383

AXIS OF ROTATION OF WHEEL LOCKABLE OR ANGULARLY ADJUSTABLE

384

. (1 indent ) With actuator for tilting in a vertical plane

385

. (1 indent ) Adjustable stop

386

. (1 indent ) Lockable against free swinging

387

WITH WHEEL SUBSTITUTE (E.G., RUNNER, ETC.)

388

. (1 indent ) With wheel

389

. (1 indent ) Spring tooth implement

390

.. (2 indent ) Parallel pivoted tooth bars

391

. (1 indent ) Spike tooth implement

392

. (1 indent ) Plural runner supported implements relatively movable during operation

393

. (1 indent ) Spaced parallel runners with tool mounted therebetween

394

. (1 indent ) Disk type tool

395

WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME

396

. (1 indent ) Vertically adjustable or selectively lockable hitch

397

. (1 indent ) Tool land ground support moved together relative to frame

398

.. (2 indent ) Linkage to tool

399

. (1 indent ) With power take-off from plural wheels

400

. (1 indent ) Actuator and interconnected means for adjusting wheels on different axles

401

.. (2 indent ) Three or more adjustable wheels on different axles interconnected

402

... (3 indent ) With power take-off from self-adjusted wheel

403

.. (2 indent ) With power take-off from wheel

404

... (3 indent ) Wheel adjusted by own power

405

.. (2 indent ) One wheel translates another swings

406

.. (2 indent ) With additional actuator changing relative position of wheels

407

. (1 indent ) Power operated adjustment

408

.. (2 indent ) Wheel actuates its crank axle mount

409

... (3 indent ) Wheel lockable to crank axle arm

410

... (3 indent ) Intermittently rotatable member swingable with crank

411

.... (4 indent ) "Constant height" depth adjustment

412

... (3 indent ) Swingable arm engageable with wheel

413

.. (2 indent ) Servo-motor adjusting means

414

. (1 indent ) Flexible or lost motion connection to actuator

415

. (1 indent ) Translating motion

416

.. (2 indent ) One ground support translates and another swings

417

.. (2 indent ) Parallel links

418

.. (2 indent ) With actuator

419

... (3 indent ) Screw jack type

420

... (3 indent ) Rack and pinion or ratchet type

421

. (1 indent ) Plural ground supports vertically adjustable relative to each other and the frame

422

. (1 indent ) Crank axle with angularly spaced wheel carrying arms

423

. (1 indent ) With actuator

424

.. (2 indent ) Spring assisted

425

.. (2 indent ) Gearing

426

... (3 indent ) Worm gear

427

... (3 indent ) Screw jack type

428

... (3 indent ) Rack and pinion or ratchet type

429

.. (2 indent ) Manually operated lever rigid with crank axle

430

WITH INDICATING OR SIGHTING MEANS

431

WITH SEAT OR ATTENDANT'S STATION

432

. (1 indent ) Plural

433

. (1 indent ) Riding attachment

434

. (1 indent ) Movable to non-use position

435

. (1 indent ) Operator changes position or seat adjustable

436

. (1 indent ) Mounted on transverse member connecting plural implements

437

WITH TOOL SHARPENER

438

COMBINED

439

MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)

440

. (1 indent ) Angled gangs liftable as a unit

441

.. (2 indent ) Tandem gangs

442

... (3 indent ) With actuator for angling groups relatively

443

. (1 indent ) Struts on trailer or between implement parts

444

. (1 indent ) Hitch quadrilateral modified during lift

445

. (1 indent ) With means operated by vertical hitch movement

445.1

. (1 indent ) Including blade, scraper, or smoother

445.2

.. (2 indent ) Angularly adjustable about vertical axis

446

. (1 indent ) Laterally adjustable tool

447

.. (2 indent ) Rockable about vertical axis

448

. (1 indent ) With auxiliary vertical adjustment

449

. (1 indent ) Tool movable relative to mast while earth working

450

. (1 indent ) Sway limiting means or swayable tool

451

. (1 indent ) With tool frame or bar extending beyond sides of vehicle

452

WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT

453

. (1 indent ) Actuator electrically powered

454

. (1 indent ) Angled gangs lifted as a unit

455

.. (2 indent ) Tandem gangs

456

. (1 indent ) Central group liftable vertically, side groups movable inwardly

457

. (1 indent ) With means to restrain lateral sway when raised

458

. (1 indent ) Vertical movement interrelated with another

459

. (1 indent ) Pivotable about longitudinal axis (e.g., lateral levelling, etc.)

460

.. (2 indent ) Tool independently vertically adjustable at transversely spaced points

461

. (1 indent ) Tool lifted with respect to stationary or relatively movable cleaner

462

. (1 indent ) Plural tools, individually spring biased down, lifted as unit

463

. (1 indent ) Lift actuator moves with tool or forms removable unit therewith

464

. (1 indent ) Servo-motor forces tool down

465

. (1 indent ) Servo-motor with follow-up control (e.g., motion responsive position control, etc.)

466

. (1 indent ) Tool held raised for relieving load on servo-motor

467

. (1 indent ) With shiftable hitch causing vertical movement

468

. (1 indent ) Plural tools, independently actuatable

469

.. (2 indent ) By single selectively connectable actuator

470

.. (2 indent ) With separate actuator for concurrent lift or with interlock

471

.. (2 indent ) Three or more independent actuators

472

. (1 indent ) Plural tools simultaneously raised, individually lowered

473

. (1 indent ) Tool differentially or sequentially lifted at longitudinally spaced points

474

. (1 indent ) Tool rocked about independently vertically adjustable transverse axis

475

.. (2 indent ) Plural longitudinally spaced actuators

476

. (1 indent ) With lateral adjustment

477

.. (2 indent ) Tool adjustable about vertical axis

478

. (1 indent ) Tool and lift actuator on opposite sides of transverse pivot axis

479

. (1 indent ) Tool lifted forward of transverse pivot axis

480

. (1 indent ) Tool swung about freely shiftable or delayed pivot

481

. (1 indent ) With separate latch

482

. (1 indent ) Tool swings about rock shaft axis

483

. (1 indent ) Translatable tool

484

.. (2 indent ) By parallel links

485

. (1 indent ) Power actuator with manual adjusting or supplemental manual actuating means

486

.. (2 indent ) Manual actuation coextensive with power

487

.. (2 indent ) Constant height depth adjustment

488

. (1 indent ) Single lift actuator for plural relatively movable tools

489

.. (2 indent ) Tools relatively moved during lift

490

. (1 indent ) Rotary drum actuator

491

. (1 indent ) Servo-motor actuator

492

. (1 indent ) With power take-off for actuator

493

.. (2 indent ) Position controlled power disengagement

494

. (1 indent ) Overcenter or toggle holding means

495

. (1 indent ) Foot operated actuator

496

.. (2 indent ) With combined or optional hand actuation

497

. (1 indent ) Tool spring biased during operation

498

.. (2 indent ) Biased to neutral position

499

.. (2 indent ) Spring means alternately biases tool in opposite directions

500

.. (2 indent ) Tool spring pressed downwardly

501

. (1 indent ) Lost motion connection between actuator and tool

502

.. (2 indent ) Flexible connector

503

. (1 indent ) Actuator slidably connected to tool

504

. (1 indent ) Screw actuator

505

. (1 indent ) Tool connected to frame by bail

506

. (1 indent ) Spring assisted or spring actuator

507

GROUND SUPPORT MOVABLE HORIZONTALLY

508

WITH GUARD, SHIELD OR PLANT DIVERTER

509

. (1 indent ) Fender for deflected earth

510

.. (2 indent ) Rotary

511

.. (2 indent ) Perforated or screening type

512

.. (2 indent ) Inverted U-shape

513

.. (2 indent ) Laterally spaced fenders for inwardly thrown earth

514

. (1 indent ) Weed turner or trash holddown

515

.. (2 indent ) Spring biased or spring formed

516

... (3 indent ) Plural cooperating elements

517

. (1 indent ) Plant deflector

518

ROLLING, ROTATING OR ORBITALLY MOVING TOOL

519

. (1 indent ) Yieldable material rim (e.g., rubber, etc.)

520

. (1 indent ) Tools on different axes in mutual driving relationship

521

. (1 indent ) With power take-off from tool or wheel

522

. (1 indent ) Axis substantially vertical

523

.. (2 indent ) With vertically extending teeth

524

... (3 indent ) Positioning means engaging circumference

525

... (3 indent ) With weight

526

... (3 indent ) Plural tools

527

. (1 indent ) Axis substantially longitudinal

528

. (1 indent ) With means for stopping or retarding rotation

529

.. (2 indent ) Positive stop

530

... (3 indent ) Wheel or motor controlled

531

. (1 indent ) Wobble discs

532

. (1 indent ) Screw or spiral

533

. (1 indent ) Clutch between shaft and rotating element

534

. (1 indent ) Wheel or roller with peripherally spaced plant saving means

535

. (1 indent ) Detachable rim for disk

536

. (1 indent ) Wheel, roller or gauge and axially adjacent tool on same axis

537

. (1 indent ) Corrugated surface rollers

538

. (1 indent ) Paired press rims (e.g., planter press wheels, etc.)

539

. (1 indent ) Smooth roller with groove, rim or disk

540

. (1 indent ) Tool has circumferentially spaced teeth, tines, blades or the like

541

.. (2 indent ) With means for preventing ground engagement of teeth or blades

542

.. (2 indent ) Tooth or blade on endless carrier

543

.. (2 indent ) Spring tooth or blade

544

.. (2 indent ) Spring moving or mounting means for tooth or blade

545

.. (2 indent ) Blades or teeth change position relative to each other or rotating support during rotation

546

... (3 indent ) With means for causing movement

547

.. (2 indent ) With cleaning means

548

.. (2 indent ) Tooth or blade units on single axle

549

... (3 indent ) Tooth or blade units angularly adjustable on axle

550

.. (2 indent ) Tooth or blade adjustable on carrier

551

.. (2 indent ) Rolling tool spring biased into ground contact

552

.. (2 indent ) Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)

553

... (3 indent ) Toothed bar or blade

554

.. (2 indent ) Drum with axially spaced teeth or blades

555

.. (2 indent ) Integral disk

556

.. (2 indent ) Tooth or blade axially clamped to hub face (e.g., hoe wheel type, etc.)

557

. (1 indent ) Rim with spokes

558

. (1 indent ) With disk cleaning means

559

.. (2 indent ) Rotatably mounted cleaning means

560

.. (2 indent ) Cleaner for pair of converging disks

561

.. (2 indent ) Cleaners for opposite sides of disk

562

.. (2 indent ) Plural cleaners for single disk

563

.. (2 indent ) Cleaners with common operator

564

... (3 indent ) Mounted on rock shaft

565

... (3 indent ) Operating means moves parallel to disk gang axis

566

.. (2 indent ) Spring biased toward disk

567

. (1 indent ) Disk gang and single disk on diverse axes

568

. (1 indent ) Disk gang with movable or removable section

569

. (1 indent ) Disks pivoted on vertical axes with interconnected means for moving them indentically

570

. (1 indent ) With spring means other than for detent

571

.. (2 indent ) Spring is for tool group horizontal angling

572

.. (2 indent ) Spring acts to move tool vertically

573

... (3 indent ) Plural tools, individually spring urged

574

. (1 indent ) Plural disks with individual mount or axis

575

.. (2 indent ) Touching disks

576

.. (2 indent ) With interconnected means for adjusting a plurality of disks

577

. (1 indent ) Reversible group

578

. (1 indent ) With wheel (not on motor vehicle)

579

. (1 indent ) Plural groups of disks

580

.. (2 indent ) Power operated actuator

581

.. (2 indent ) Groups changeable to different types of arrangements

582

.. (2 indent ) With independent lateral adjustment

583

.. (2 indent ) Vertically adjustable group

584

.. (2 indent ) Horizontally angularly adjustable group

585

... (3 indent ) Groups of unequal length

586

... (3 indent ) More than two laterally positioned groups

587

... (3 indent ) Groups laterally spaced and unaligned

588

... (3 indent ) Hitch longitudinally movable on tongue and groups abreast

589

... (3 indent ) Turning connection offset from draft connection

590

.... (4 indent ) Latch responsive to tractor motion

591

... (3 indent ) With manual actuator

592

.... (4 indent ) Concentric controls

593

.... (4 indent ) Separate handles for independent gang adjustment

594

.... (4 indent ) Double tandem groups

595

... (3 indent ) Double tandem groups

596

... (3 indent ) Tandem groups

597

.... (4 indent ) Toggle joint between groups

598

... (3 indent ) Thrust means directly between group axles

599

. (1 indent ) Disk gang

600

.. (2 indent ) Supported for tilting and horizontal angling adjustment

601

.. (2 indent ) Disks rotatable relative to axle

602

. (1 indent ) Single disk freely swayable

603

. (1 indent ) Disk horizontally angularly changeable

604

. (1 indent ) Detailed disk structure per se

605

SHIFTABLE HITCH MOVES TOOL RELATIVE TO FRAME

606

WITH CLEANER

607

. (1 indent ) Cleaner surrounds tooth

608

. (1 indent ) Clearing roller

609

. (1 indent ) For plural tools

610

. (1 indent ) Scraper

611

WITH WEIGHT

612

FABRIC OR FLEXIBLE TOOL

613

PLURAL RELATIVELY MOVABLE TOOLS

614

. (1 indent ) Tool pivots on pivoted member when member moves

615

.. (2 indent ) Tools connected to parallel pivoted bars

616

... (3 indent ) Bars pivoted about vertical axis

617

.... (4 indent ) Also pivoted about horizontal axis

618

. (1 indent ) Tools assume different angularity for opposite draft

619

. (1 indent ) Plural tool groups relatively vertically movable because of operation

620

.. (2 indent ) Parallel transverse tooth bars

621

... (3 indent ) Spring biased bars

622

... (3 indent ) With actuator to vary inclination of teeth

623

.. (2 indent ) Groups abreast and in tandem

624

.. (2 indent ) Plural groups movably connected to forward transverse draft bar

624.5

... (3 indent ) With parallelogram-type linkage

625

... (3 indent ) With alternate draft means (spaced 90 degrees)

626

... (3 indent ) Sectional draft bar

627

... (3 indent ) Groups also connected to one another

628

.. (2 indent ) Similar groups arranged to form a triangular shape

629

.. (2 indent ) Three or more laterally spaced groups

630

.. (2 indent ) Groups pivoted to opposite sides of longitudinal draft member

631

.. (2 indent ) Groups movable about common longitudinal axis

632

.. (2 indent ) Group movable about oblique horizontal axis

633

.. (2 indent ) Group pivotal about intermediate transverse axis

634

. (1 indent ) Parallel, pivotally adjusted tool bars

635

.. (2 indent ) With actuator

636

... (3 indent ) Tools also adjustable about vertical or longitudinal axes

637

... (3 indent ) Plural actuators, independently pivoted tool bars

638

... (3 indent ) Gear

639

.. (2 indent ) Specific mounting for pivoted tool bar

640

. (1 indent ) Tool group pivotally adjustable about horizontal axis

641

. (1 indent ) Beam spreader of the pivoted yoke type

642

. (1 indent ) Pair of tools cooperate to move earth to or from plant row

643

. (1 indent ) Spring formed tool or standard

644

. (1 indent ) Tools longitudinally adjustable to and from transverse alignment

645

. (1 indent ) Tools relatively adjustable horizontally without causing vertical displacement

646

.. (2 indent ) Laterally adjustable tools, independently free to move vertically

647

.. (2 indent ) Tools simultaneously adjustable about their individual, spaced vertical axes

648

.. (2 indent ) Collapsible lazy tong group

649

.. (2 indent ) Tool groups relatively horizontally adjustable

650

... (3 indent ) Also vertically adjustable

651

... (3 indent ) Group pivoted about vertical axis

652

.... (4 indent ) V-shaped

653

....• (5 indent ) Nested

654

.. (2 indent ) Main central beam, tools laterally adjustable relative thereto

655

.. (2 indent ) Tool adjustable vertically and laterally

656

.. (2 indent ) Tool laterally adjustable

657

. (1 indent ) Relatively movable because of operation

658

.. (2 indent ) With interconnecting means to prevent independent lateral movement

659

. (1 indent ) Adjustable about spaced horizontal axes

660

.. (2 indent ) Concurrent adjustment

661

. (1 indent ) Vertically translatable tool

662

. (1 indent ) Tool movable to non-use position

663

WITH ACTUATOR

664

. (1 indent ) For relatively movable earth engaging parts

665

.. (2 indent ) Tool and runner

666

. (1 indent ) For adjustment about longitudinal axis

667

. (1 indent ) For lateral adjustment

668

. (1 indent ) For vertical adjustment with respect to wheeled frame

669

WITH WHEEL; OR SUPPORTED ON WHEEL FRAME OR BROADLY CLAIMED IMPLEMENT

670

. (1 indent ) All wheels on one side of tool

671

. (1 indent ) Mounted on single longitudinal beam in tool path

672

.. (2 indent ) Wheel secured to tool

673

. (1 indent ) Laterally adjustable tool

674

. (1 indent ) With bracket to hold tool off ground

675

. (1 indent ) Vertically adjustable tool

676

. (1 indent ) Tool follows wheel path

677

WITH DRAFT DETAIL

678

. (1 indent ) Spring biased hitch

679

. (1 indent ) Adjustable

680

.. (2 indent ) Vertical

681

TOOL, STANDARD OR CONNECTION

682

. (1 indent ) Tool flexed to change contour

683

. (1 indent ) Latched in earth working position

684

. (1 indent ) Tool pivots on member when member moves

684.5

. (1 indent ) Frame-supported blade, scraper, or smoother drawn by vehicle

685

. (1 indent ) Plural tools

686

.. (2 indent ) Right and left hand type

687

.. (2 indent ) Longitudinally spaced rows

688

... (3 indent ) Staggered

689

.. (2 indent ) Closed geometrically shaped frame

690

.. (2 indent ) V-shaped frame

691

.. (2 indent ) Mounted on transverse or oblique tool bar

692

... (3 indent ) Angularly adjustable bar

693

... (3 indent ) Oblique bar

694

.. (2 indent ) Laterally spaced tools

695

... (3 indent ) Tools in echelon (3 or more)

696

... (3 indent ) Tools on opposite side of longitudinal beam

697

... (3 indent ) Tools in transverse alignment

698

. (1 indent ) Tool with laterally spaced standards

699

. (1 indent ) Subsoilers

700

.. (2 indent ) With separate vertically spaced earth working portion attached to same standard

701

. (1 indent ) Ridgers

701.1

. (1 indent ) Tool is transversely elongated blade (e.g., bulldozer)

701.2

.. (2 indent ) Having removable corner bit

701.3

.. (2 indent ) Having removable cutting edge

702

. (1 indent ) Reversible part

703

.. (2 indent ) Earth engaging means

704

... (3 indent ) Portion of earth engaging assembly

705

. (1 indent ) Spring biased or formed tool or tool part

706

.. (2 indent ) Plural earth engaging parts relatively movable during operation

707

.. (2 indent ) Spring formed tool or standard

708

... (3 indent ) With separate or rigid earth working portion

709

.. (2 indent ) Laterally biased

710

.. (2 indent ) Pivoted tool biased beyond pivot

711

.. (2 indent ) Leaf or torsion spring

712

. (1 indent ) Tool assumes different position for opposite draft

713

. (1 indent ) Tooth

714

. (1 indent ) Plural earth engaging parts relatively movable because of operation

715

.. (2 indent ) Rotary landslide

716

.. (2 indent ) Movable moldboard for inverting furrow slice

717

... (3 indent ) Belt

718

... (3 indent ) Roller

719

. (1 indent ) With add-on cutting or wearing element applied directly over, or onto, the original cutting element

720

. (1 indent ) Subsurface blade (e.g., weeder, etc.)

721

. (1 indent ) Non-rectangular, symmetrical type

722

.. (2 indent ) Earth breaking part and separately attached wings

723

... (3 indent ) Draw cut point

724

... (3 indent ) Wings integral

725

.. (2 indent ) With separable vertical cutter on centerline

726

.. (2 indent ) Having separable parts jointed at centerline

727

.. (2 indent ) With attached runner or depth gauge

728

... (3 indent ) With additional blades attached to runner

729

... (3 indent ) Adjustable

730

.. (2 indent ) Winged

731

.. (2 indent ) Lateral extent decreases upwardly

732

.. (2 indent ) Triangular blade

733

.. (2 indent ) Constant height and V-shape

734

. (1 indent ) Adjustable

735

.. (2 indent ) To present different working portion

736

.. (2 indent ) Relatively adjustable earth engaging parts

737

... (3 indent ) Element adjusted for wear compensation

738

... (3 indent ) Relatively adjustable tool and runner

739

.. (2 indent ) Adjustable about horizontal transverse axis

740

... (3 indent ) Tool adjustably connected to standard

741

.. (2 indent ) Laterally adjustable

742

... (3 indent ) Adjustable about a vertical axis

743

... (3 indent ) Adjustable about a longitudinal axis

744

.. (2 indent ) Vertically adjustable

745

. (1 indent ) Welded

746

. (1 indent ) With portion extended beyond landslide

747

. (1 indent ) Specific material

748

. (1 indent ) Pivoted tool

749

. (1 indent ) Having separable parts interconnected without detachable fastening means

750

.. (2 indent ) Self-engaging snap fastener

751

.. (2 indent ) Captive fastener or wedge tightened or engaged after assembly

752

. (1 indent ) With separable vertical planar longitudinal cutter (e.g., colter, etc.)

753

. (1 indent ) Interlocked or interfitted parts

754

. (1 indent ) Share and furrow slice inverting moldboard

755

.. (2 indent ) Heating or lubricating

756

.. (2 indent ) Skeleton

757

.. (2 indent ) Furrow slice retainer

758

.. (2 indent ) Furrow slice cutter or breaker

759

.. (2 indent ) With additional element juxtaposed to moldboard

760

.. (2 indent ) Specific moldboard shape

761

.. (2 indent ) Serrated, toothed or notched point or share

762

. (1 indent ) Specific tool and standard connection

763

. (1 indent ) Specific standard and beam connection

764

. (1 indent ) With separate runner, gauge, shoe or landslide

765

. (1 indent ) Specific tool shape

766

.. (2 indent ) Tool with parallel fingers or blades

768

.. (2 indent ) Draw cut type

769

.. (2 indent ) Separable parts

770

.. (2 indent ) Angularly related tool surfaces

771

.. (2 indent ) With curved surface

772

. (1 indent ) Removable tool portion (e.g., replaceable cutting or wearing element for tool)

772.5

.. (2 indent ) Portion is cutting edge

773

. (1 indent ) Specific standard

774

.. (2 indent ) With lateral offset

775

.. (2 indent ) Braced

776

MISCELLANEOUS (E.G., FRAMES, ETC.)

	CROSS-REFERENCE ART COLLECTIONS

900

PLANT THINNERS

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

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