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Class Number: 172 Class Title: EARTH WORKING Subclass Subclass Number Title 1 PROCESSES 2 AUTOMATIC POWER CONTROL 3 .Motive power control 4 .Constant depth type 4.5 .Land leveller type 5 .Obstruction sensing type (includes plant sensing) 6 ..Electrical 7 .Draft responsive 8 ..Variable rate responsive 9 ..With manual actuator to select type of condition sensed 10 ..Sensitivity adjustment 11 ..With excess draft release 12 ..Overload lift type 13 LAWN EDGER 14 .With or convertible to non-earth working implement 15 .Rolling or driven cutter 16 ..With fixed cutter or furrower 17 .With wheel or roller 18 .Impact or grapple 19 SOD CUTTER 20 .With means for vertical transverse cutting while moving 21 LAWN AERATOR OR PERFORATOR, OR PLUG REMOVER 22 .Earth removing 23 DRIVEN FROM OR GUIDED BY STATIONARY OBJECT, OR ANCHORED 24 .Around tree or stake 25 .Rotatable about vertical axis 26 .Guided by surface track or previously formed shoulder 26.5 .Dragline scraper 26.6 ..Scraper part rearranged upon reverse movement 27 WITH MEANS FOR CUTTING OR SHREDDING PLANTS WITHOUT SOIL DISTURBANCE 28 .Driven 29 WITH MEANS FOR SHIFTING SURFACE MATERIAL WITHOUT SOIL DISTURBANCE 30 .Driven shifting means 31 .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 .Subsurface shears or nippers 37 .Tool rotated by attendant 38 .With obstruction feeling device for moving or releasing implement 39 .With cleaner or comminutor spaced from ground surface 40 .Vibrating tool 41 .Attendant supported tool 42 .Guided by walking attendant 43 ..With ground support vertically adjustable relative to frame 44 .Subsurface shaft or bar (e.g., rod weeder) 45 .Flails 46 .Coaxial tools oppositely rotatedd 47 .With specific relationship of mast-type hitch (i.e., three-point hitch) to implement 48 .Plural driven tools 49 ..Contiguous cooperating or intermeshing rotary ground engaging tools 49.5 ...Rotating about vertical axes 50 ..Diverse tools 51 ...All rotary 52 ....Parallel axes 53 ...Rectilinearly reciprocating tool 54 ...Oscillating tool 54.5 ..Tool reciprocates or oscillates within a generally horizontal plane 55 ..Plural groups of disks 56 ..Staggered tools 57 ..Laterally spaced tools 58 ...Longitudinal axes 59 ...Vertical axes 60 ...Transverse axes 61 .Intermittent drive for tool 62 ..With spring return 63 .With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) 64 ..Non-driven furrow opener and driven dam former 65 ..Interdigitating non-driven and driven tools 66 ..Cooperating driven cleaner or comminutor and contiguous tool 67 ..Driven comminutor at outlet of earth guide 68 ..Rolling tool 69 ...With tool drive from rolling tool 70 ..Fore-and-aft non-driven tool 71 ..Non-driven tool follows path of driven tool 72 ...Leveling drag or furrow shaper 73 ..Staggered driven and non-driven tool (e.g., cotton chopper, etc.) 74 .With power take-off from tool drive to adjust tool 75 .Interconnected tool lift and drive control 76 .Implement with ground support for depth control 77 ..Vertically biased implement 78 ..Vertically adjustable ground support 79 ..Tool driven from prime mover on vehicle 80 .With wheel substitute (e.g., runner, etc.) 81 .With plant deflector or protector 82 .Driven tool selectively shiftable along line of travel 83 ..Tool drive interrupted by shifting tool 84 .Simultaneously reciprocating and oscillating blade having elongated shank 85 ..Transverse chopping type 86 ...With plural cranks or cams driving each blade 87 ...Means for varying contour of path of blade 88 ..With plural cranks or cams driving each blade 89 ..Means for varying contour of path of blade 90 .Irregular or off-center ground-engaging wheel or support 91 .Blade movable with respect to cyclically driven carrier 92 ..With means for moving blade 93 ...Rectilinearly reciprocating blade 94 ...Blade oscillating arcuately or swivelly with respect to rotary carrier 95 ...By cam or crankk 96 ..Blade flexible or with yieldable mount on carrier 97 .Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating) 98 .Tool mounted for lateral shifting 99 ..About generally vertical axis 100 .Blade on endless driven belt or chain 101 .Tool guided for rectilinear reciprocation 102 ..Tool moves in horizontal, transverse path 103 .With overload relief or clutch in drive train (e.g., overload release, etc.) 104 ..Unidirectional clutch in drive from ground wheel 105 .Driven from rolling or driven ground wheel 106 ..Belt or chain drive 107 .Tool driven about horizontal, longitudinal axis 108 ..Rotary driven tool 109 ...Adjustable tooth or blade 110 .Tool driven about generally vertical axis (e.g., oscillating choppers, etc.) 111 ..Rotary driven tool 112 .With deflector or shield for thrown material 113 ..Laterally directed outlet flow 114 .Specific propelling means 115 ..Tool steers implement 116 ..Tool propels implement 117 .Tool freely or yieldably mounted on chassis 118 .Tool driven about axis transverse to draft line 119 ..Screw or spiral rib, blade or tooth row 120 ..Disk or planar cutter (e.g., saw, etc.) 121 ..Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.) 122 ..Drum with teeth or blades 123 ..Rotary driven tool 124 .Tool driven about diagonal axis 125 .Tool drive details 126 WITH EARTH MARKER 127 .Marker shiftable on turning 128 .Marker adjusted upon raising implement 129 .Ground wheel operated marker control 130 .Multiple interconnected markers 131 ..Markers on laterally shiftable member 132 .Marker swingable about longitudinal axis to both sides 777 SCRAPER SUPPORTS NARROW DEPENDING TOOL 778 .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 .With laterally offset inclined shoulder forming tool 783 .With scraper attached ground support 784 .With diverse tool or portion 785 ..Non-scraping tool precedes and spaced from scraper 786 .Plural scrapers 787 ..Spaced and in same path 788 .Push frame for scrapers 789 .Actuator for bodily shifting scraper subframe draft connection 790 .Counterbalance means for scraper adjustment 791 .Three or more independently operable scraper actuators 792 ..Scraper adjustable about vertical axis of annular supportt 793 ...Actuator for laterally shifting support 794 .Spring biased into ground contact 795 .Specific actuator between frame and scraper 796 ..For adjustment about vertical axis 797 ..For adjustment about longitudinal axis 798 .Actuator for tilting wheel relative to vehicle frame 799 .Specific means for horizontally angling wheel relative to vehicle frame 799.5 TOWED SCRAPER WITH GROUND SUPPORT WHEELS 133 DIVERSE TOOLS 134 .One located in path of implement wheel 135 .One implement surrounds another 136 .Tools usable alternately only 137 .With means to vary spacing of tools upon turning 138 .With interconnected vertical adjustment 139 ..Plow and colter 140 .With independent means for vertical movement 141 .Interconnected adjustment of horizontal angle of rolling and position of diverse tool 142 .Including spring formed tool or standard 143 .Including intermittently rolling tool 144 .Colter, jointer and plow 145 .Three or more diverse implements following same path (A, B, C, or A, B, A,) 146 ..Four or more 147 ...Alternately diverse (A, B, A, B) 148 ..Longitudinally spaced like implements with intermediate diverse implement (A, B, A) 149 ..Including rolling tool 150 ...Smooth levelling roller 151 ...Diverse rolling 152 .At least four alternately diverse laterally spaced tools (A, B, A, B) 153 ..Alternate rolling and non-rolling 154 ..All rolling 155 .Laterally spaced like tools with intermediate diverse tool (A, B, A) 156 ..Spaced rolling with intermediate nonrolling 157 ..Spaced non-rolling with intermediate rolling 158 ..All rolling 159 ..Spaced right and left hand tools with intermediate symmetrical tool 160 ..Including spike tooth 161 .Including implement alternating for right or left hand operation 162 ..Reversal of implement adjusts diverse tool 163 .Jointer and plow 164 ..Rolling jointer 165 .Including colter 166 ..Rolling colter 167 .Fixed point or share with rotary moldboard 168 .Rotating tool with fixed moldboard 169 .Including tool rotatable about vertical axis 170 .Including smooth levelling roller 171 ..Spaced from moldboard side of plow 172 ..With diverse rolling tool 173 ..With teeth 174 .Rolling and non-rollingg 175 ..Following same path 176 ...Furrowing or ridging implement followed by furrow or ridge roller 177 ...Rolling tool has circumferentially spaced blades, tines or the like 178 ...Including disk gang 179 ...Non-rolling tool group with laterally co-extensive rolling tool 180 ...Rolling precedes non-rolling (same path) 181 ....Concave furrowing disk with trailing tool 182 ..Laterally spaced 183 ...With scissors or shearing action between adjacent faces 184 .Diverse rolling 185 ..Spaced on same axis of rotation 186 ..Plane and dished disks 187 ..Differing in size 188 .Runner attached 189 .Including fabric or flexible tool 190 .Including vertical, longitudinally oriented disc or blade (e.g., as stabilizer) 191 ..Plural 192 .Including horizontal knife or cutter 193 .First tool with spaced trailing sweep 194 ..Sweep adjustable 195 .Second implement follows path of first 196 ..Including subsoiler 197 ..Teeth and scraper, leveller or drag 198 ..Including teeth 199 ..Including drag, scraper or levelling blade 200 ...Proceeded by implement of different type 201 .Laterally spaced 202 ..Spaced from moldboard side of plow 203 ...Connected to moldboard or handle 204 ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER) 205 .Draft revoluble on transverse axis 206 .Interrelated tool shift and lateral movement of draft member 207 ..Draft member reversed 208 ..Draft member latch control 209 .Interrelated tool lift and shift 210 ..Mast type hitch 211 ..Lift by ground support manipulation 212 .Interrelated tool shift and ground support manipulation 213 .Tools oriented for movement in opposite directions 214 ..Wheeled frame with reversible draft member 215 ..Tilting beam 216 ..Pivoted about spaced transverse axes, or translated 217 ..With movable deflector 218 .Shiftable moldboard 219 .Tool shifted for opposite throw 220 ..Reversible disk with reversible cleaner 221 ..Plural tools shifted about individual vertical axes 222 ...With translational movement of axes 223 ..Moldboard type shiftable about longitudinal axis 224 .Axially rotatable implement 225 ..With actuator 226 ...Gearing 227 ....Chain or cablee 228 .Parallel separate tools 229 ..Interconnected for simultaneous raising and lowering 230 ..Independently operable 231 ...Power derived from ground wheel 232 .Oblique axis in longitudinal vertical plane 233 WITH OBSTRUCTION FEELER FOR MOVING OR RELEASING IMPLEMENT TO AVOID OBSTRUCTION (INCLUDES DAM FORMER) 234 .Relatively movable 235 ..Latch releasing 236 GROUND ENGAGEABLE DRAFT RESPONSIVE LEVER 237 .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 .Apparatus inverted to engage ground support with ground 242 .Implement tiltable on longitudinal axis 243 .Tool changeable to or replaced by ground support 244 .Tool and ground support moved together relative to frame 245 CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY 246 .To land vehicle with body 247 .To device classifiable in another class 248 .To different type of hitch 249 .Plural simultaneously usable tools to single tool 250 .Changeable by disassembly or assembly 251 ..Tool changeable to diverse tool 252 ...Tool plus added part forms diverse tool 253 ..Tool added or substracted 254 ..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 .Riding attendant 258 .Endless track or single driven wheel 259 .With vertically adjustable wheel 260 .With actuator for moving earth working element vertically 260.5 HAVING TOOL OVERLOAD SHIFT CONTROLLED BY A FLUID PRESSURE DEVICE 261 OVERLOAD SHIFTING 262 .Alternate tool brought into operation upon shift 263 .Actuator released 264 .Against spring return device 265 ..Swinging about fixed pivot axis 266 ...Including toggle linkage 267 ....Toggle adjustable 268 ....Toggle links at acute angle 269 .Resilient latch 270 .Friction lock 271 .Frangible lock (e.g., shear pin, etc.) 272 WITH MEANS TO FACILITATE MOUNTING OF IMPLEMENT ON MOTOR VEHICLE 273 .Tool forward of rear of motor vehicle 274 .Implement has ground support 275 .Self-coupling by horizontal movement 810 MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE 811 .Transversely mounted blade (e.g., bulldozer, etc.) 812 ..With valve or pump for hydraulic control system 813 ..Fluid line specifically arranged, or shield for system componentt 814 ..Having means controlling drive for interconnected vehicles 815 ..Contiguous, relatively adjustable blades; or blade having relatively adjustable earth-engaging parts 816 ..Blade mounting includes resilient connection 817 ..Removable attachment for general purpose vehicle 818 ..Blade angle adjustable in a horizontal plane 819 ...Power-operated adjusting means 820 ....Blade angled about fixed, central, generally vertical axis 821 .....And tilt of blade adjustable in a generally vertical plane 822 ....And tilt of blade adjustable 823 ...And tilt of blade adjustable 824 ..Having adjustable tilt of angularly fixed blade 825 ...About a pivot axis fixed to mounting 826 ...Including adjustable length device between mounting means and upper corner portion of blade 827 ..Having means to prevent lateral movement of mounting or blade 828 ..With power means for raising and lowering blade 829 ...Including elongated flexible element (e.g., cable) connecting power means to tool or mounting means 830 ...Power means is fluid servomotor 831 ....Plural servomotors 832 ..With blade-carried ground support 833 .Tool prepares wheel path for passage of wheel 834 .With tool-carried ground support 278 WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS 279 .Implement part interconnected with motor vehicle steering means 280 ..Implement wheel steered 281 ..Transverse tool bar laterally shiftable 282 .Wheel on trailing implement responds to turning movement 283 ..Interconnected with adjustable tool 284 ..With additional angular adjustment of wheel 285 ..Rear wheel turned or controlled 286 .Wheel on non-propelled device 287 ..Wheel interconnected with tool 288 ..Plural interconnected relatively movable wheels 289 ...Transversely aligned stub shafts 290 ..Swinging axle 291 ..Wheel behind tool 292 SPECIFIC PROPELLING MEANS 293 SERIES OF LIKE ELEMENTS SEQUENTIALLY OPERATED BY POWER CYCLE 294 .Sequentially operated servo-motors 295 .Tool forward of rear of motor vehicle 296 .Shaft with spirally arranged projections 297 TOOL FORWARD OF REAR OF MOTOR VEHICLE 298 .With ground support 299 .Power actuator with cut-out or lock-out means 300 .With rearwardly mounted tool 301 ..Tools actuated by independent power units 302 ...Front and rear independent 303 .Power actuator with manual adjusting or supplemental manual actuating means 304 .Tools independently actuatable 305 .With means for moving tool laterally 306 .Connected to front axle 307 .Parallelogram type lift 308 .With push barr 309 .Pivoted on horizontal diagonal axis 310 PLURAL WHEELED IMPLEMENTS 311 .Outrigged implement adjustable inwardly 312 .Implement draft connection forwardly of rear of self-propelled vehicle 313 .Laterally spaced with separate draft tongues 314 .Implements in echelon (e.g., gang plows, etc.) 315 ACTUATOR ON TRAILING IMPLEMENT, CONTROLLED FROM PROPELLING VEHICLE 316 .Servo-motor on implement 317 ACTUATOR ON VEHICLE FOR RELATIVELY MOVING PARTS OF TRAILING IMPLEMENT 318 .Actuator on vehicle moves implement ground support vertically relative to implement frame 319 ..Interconnected means for moving hitch 320 .Disk gang angling 321 ACTUATOR ON VEHICLE FOR MOVING WHEELED IMPLEMENT 322 WITH ACTUATOR FOR ROCKING TOOL ABOUT WHEEL AXIS 323 .Unstable wheeled frame moved by actuator 324 WITH ACTUATOR ON TRAILING GROUND SUPPORTED FRAME FOR MOVING DRAFT MEANS LATERALLY OR VERTICALLY 325 .Tool rigidly connected to tongue 326 .Vertically 327 ..With vertically adjustable ground support 328 ...Interconnected means for adjusting draft means and ground support 329 GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT 330 .With seat for moving hitch 331 .Hitch guided relative to supporting frame 332 .Tool manipulated with respect to mounting frame 333 ..Arched wheel frame (i.e., straddle row, etc.) 334 ...Seat counterbalanced beam 335 ...With spring biasing means 336 ....Spring biased upwardly during operation 337 ...Combined implement lift and wheel adjustment 338 ...Tongueless, animal draft 339 ....With balancing means 340 ...Multiple plant row type 341 ...With added intermediate tool 342 ...Cross connected drag bars 343 ...Foot operated 344 ...With support bracket for transport 345 ..Manipulated about longitudinal axis 346 ..Plural tools independently or oppositely manipulable 347 ..Spring biased 348 ..Vertically manipulated 349 .Rolling tool 350 ..Handle swingably mounted on axis of tool 351 .Guided or propelled by walking attendant and with ground support or draft means 352 ..With stepper propulsion means 353 ..With body harness or engaging means 354 ..With wheel 355 ...Alternately usable tools rocked about wheel axis 356 ...Plural longitudinally spaced wheels 357 ...Handle forward of tool 358 ...Tool forward of wheell 359 ...Tool and handle relatively vertically adjustable 360 ..With wheel substitute (e.g., runner, etc.) 361 ..Handle connected to tool or runner 362 ..Tool standard connected to handle 363 ..Plural handles associated with relatively adjustable tools 364 ..Handle mounted tool adjusting, latching or locking mechanism 365 ..Tool and handle relatively adjustable 366 ...Vertically 367 ..Multiple handles connected to multiple longitudinal tool carrying beams 368 ..Plural handles connected to opposite sides of longitudinal beam 369 ...With brace member 370 .With attendant attaching means 371 .Hand tool 372 ..Adjustable 373 ...Plural tools relatively adjustable 374 ....At least one tool immovably secured to handle 375 ..Alternately usable diverse tools or parts 376 ..Loop type 377 ..Channel type 378 ..Plural prongs, teeth or serrations 379 ...Plural rows 380 ...Made from sheet material 381 ..Non-planar earth working portion 382 MULTIPLE LEVEL TOOLS 383 AXIS OF ROTATION OF WHEEL LOCKABLE OR ANGULARLY ADJUSTABLE 384 .With actuator for tilting in a vertical plane 385 .Adjustable stop 386 .Lockable against free swinging 387 WITH WHEEL SUBSTITUTE (E.G., RUNNER, ETC.) 388 .With wheel 389 .Spring tooth implement 390 ..Parallel pivoted tooth bars 391 .Spike tooth implement 392 .Plural runner supported implements relatively movable during operation 393 .Spaced parallel runners with tool mounted therebetween 394 .Disk type tool 395 WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME 396 .Vertically adjustable or selectively lockable hitch 397 .Tool land ground support moved together relative to frame 398 ..Linkage to tool 399 .With power take-off from plural wheels 400 .Actuator and interconnected means for adjusting wheels on different axles 401 ..Three or more adjustable wheels on different axles interconnected 402 ...With power take-off from self-adjusted wheel 403 ..With power take-off from wheel 404 ...Wheel adjusted by own power 405 ..One wheel translates another swings 406 ..With additional actuator changing relative position of wheels 407 .Power operated adjustment 408 ..Wheel actuates its crank axle mount 409 ...Wheel lockable to crank axle arm 410 ...Intermittently rotatable member swingable with crank 411 ...."Constant height" depth adjustmentt 412 ...Swingable arm engageable with wheel 413 ..Servo-motor adjusting means 414 .Flexible or lost motion connection to actuator 415 .Translating motion 416 ..One ground support translates and another swings 417 ..Parallel links 418 ..With actuator 419 ...Screw jack type 420 ...Rack and pinion or ratchet type 421 .Plural ground supports vertically adjustable relative to each other and the frame 422 .Crank axle with angularly spaced wheel carrying arms 423 .With actuator 424 ..Spring assisted 425 ..Gearing 426 ...Worm gear 427 ...Screw jack type 428 ...Rack and pinion or ratchet type 429 ..Manually operated lever rigid with crank axle 430 WITH INDICATING OR SIGHTING MEANS 431 WITH SEAT OR ATTENDANT'S STATION 432 .Plural 433 .Riding attachment 434 .Movable to non-use position 435 .Operator changes position or seat adjustable 436 .Mounted on transverse member connecting plural implements 437 WITH TOOL SHARPENER 438 COMBINED 439 MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.) 440 .Angled gangs liftable as a unit 441 ..Tandem gangs 442 ...With actuator for angling groups relatively 443 .Struts on trailer or between implement parts 444 .Hitch quadrilateral modified during lift 445 .With means operated by vertical hitch movement 445.1 .Including blade, scraper, or smoother 445.2 ..Angularly adjustable about vertical axis 446 .Laterally adjustable tool 447 ..Rockable about vertical axis 448 .With auxiliary vertical adjustment 449 .Tool movable relative to mast while earth working 450 .Sway limiting means or swayable tool 451 .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 .Actuator electrically powered 454 .Angled gangs lifted as a unit 455 ..Tandem gangs 456 .Central group liftable vertically, side groups movable inwardly 457 .With means to restrain lateral sway when raised 458 .Vertical movement interrelated with another 459 .Pivotable about longitudinal axis (e.g., lateral levelling, etc.) 460 ..Tool independently vertically adjustable at transversely spaced points 461 .Tool lifted with respect to stationary or relatively movable cleanerr 462 .Plural tools, individually spring biased down, lifted as unit 463 .Lift actuator moves with tool or forms removable unit therewith 464 .Servo-motor forces tool down 465 .Servo-motor with follow-up control (e.g., motion responsive position control, etc.) 466 .Tool held raised for relieving load on servo-motor 467 .With shiftable hitch causing vertical movement 468 .Plural tools, independently actuatable 469 ..By single selectively connectable actuator 470 ..With separate actuator for concurrent lift or with interlock 471 ..Three or more independent actuators 472 .Plural tools simultaneously raised, individually lowered 473 .Tool differentially or sequentially lifted at longitudinally spaced points 474 .Tool rocked about independently vertically adjustable transverse axis 475 ..Plural longitudinally spaced actuators 476 .With lateral adjustment 477 ..Tool adjustable about vertical axis 478 .Tool and lift actuator on opposite sides of transverse pivot axis 479 .Tool lifted forward of transverse pivot axis 480 .Tool swung about freely shiftable or delayed pivot 481 .With separate latch 482 .Tool swings about rock shaft axis 483 .Translatable tool 484 ..By parallel links 485 .Power actuator with manual adjusting or supplemental manual actuating means 486 ..Manual actuation coextensive with power 487 ..Constant height depth adjustment 488 .Single lift actuator for plural relatively movable tools 489 ..Tools relatively moved during lift 490 .Rotary drum actuator 491 .Servo-motor actuator 492 .With power take-off for actuator 493 ..Position controlled power disengagement 494 .Overcenter or toggle holding means 495 .Foot operated actuator 496 ..With combined or optional hand actuation 497 .Tool spring biased during operation 498 ..Biased to neutral position 499 ..Spring means alternately biases tool in opposite directions 500 ..Tool spring pressed downwardly 501 .Lost motion connection between actuator and tool 502 ..Flexible connector 503 .Actuator slidably connected to tool 504 .Screw actuator 505 .Tool connected to frame by bail 506 .Spring assisted or spring actuator 507 GROUND SUPPORT MOVABLE HORIZONTALLY 508 WITH GUARD, SHIELD OR PLANT DIVERTER 509 .Fender for deflected earth 510 ..Rotary 511 ..Perforated or screening type 512 ..Inverted U-shape 513 ..Laterally spaced fenders for inwardly thrown earthh 514 .Weed turner or trash holddown 515 ..Spring biased or spring formed 516 ...Plural cooperating elements 517 .Plant deflector 518 ROLLING, ROTATING OR ORBITALLY MOVING TOOL 519 .Yieldable material rim (e.g., rubber, etc.) 520 .Tools on different axes in mutual driving relationship 521 .With power take-off from tool or wheel 522 .Axis substantially vertical 523 ..With vertically extending teeth 524 ...Positioning means engaging circumference 525 ...With weight 526 ...Plural tools 527 .Axis substantially longitudinal 528 .With means for stopping or retarding rotation 529 ..Positive stop 530 ...Wheel or motor controlled 531 .Wobble discs 532 .Screw or spiral 533 .Clutch between shaft and rotating element 534 .Wheel or roller with peripherally spaced plant saving means 535 .Detachable rim for disk 536 .Wheel, roller or gauge and axially adjacent tool on same axis 537 .Corrugated surface rollers 538 .Paired press rims (e.g., planter press wheels, etc.) 539 .Smooth roller with groove, rim or disk 540 .Tool has circumferentially spaced teeth, tines, blades or the like 541 ..With means for preventing ground engagement of teeth or blades 542 ..Tooth or blade on endless carrier 543 ..Spring tooth or blade 544 ..Spring moving or mounting means for tooth or blade 545 ..Blades or teeth change position relative to each other or rotating support during rotation 546 ...With means for causing movement 547 ..With cleaning means 548 ..Tooth or blade units on single axle 549 ...Tooth or blade units angularly adjustable on axle 550 ..Tooth or blade adjustable on carrier 551 ..Rolling tool spring biased into ground contact 552 ..Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.) 553 ...Toothed bar or blade 554 ..Drum with axially spaced teeth or blades 555 ..Integral disk 556 ..Tooth or blade axially clamped to hub face (e.g., hoe wheel type, etc.) 557 .Rim with spokes 558 .With disk cleaning means 559 ..Rotatably mounted cleaning means 560 ..Cleaner for pair of converging disks 561 ..Cleaners for opposite sides of disk 562 ..Plural cleaners for single disk 563 ..Cleaners with common operator 564 ...Mounted on rock shaft 565 ...Operating means moves parallel to disk gang axis 566 ..Spring biased toward diskk 567 .Disk gang and single disk on diverse axes 568 .Disk gang with movable or removable section 569 .Disks pivoted on vertical axes with interconnected means for moving them indentically 570 .With spring means other than for detent 571 ..Spring is for tool group horizontal angling 572 ..Spring acts to move tool vertically 573 ...Plural tools, individually spring urged 574 .Plural disks with individual mount or axis 575 ..Touching disks 576 ..With interconnected means for adjusting a plurality of disks 577 .Reversible group 578 .With wheel (not on motor vehicle) 579 .Plural groups of disks 580 ..Power operated actuator 581 ..Groups changeable to different types of arrangements 582 ..With independent lateral adjustment 583 ..Vertically adjustable group 584 ..Horizontally angularly adjustable group 585 ...Groups of unequal length 586 ...More than two laterally positioned groups 587 ...Groups laterally spaced and unaligned 588 ...Hitch longitudinally movable on tongue and groups abreast 589 ...Turning connection offset from draft connection 590 ....Latch responsive to tractor motion 591 ...With manual actuator 592 ....Concentric controls 593 ....Separate handles for independent gang adjustment 594 ....Double tandem groups 595 ...Double tandem groups 596 ...Tandem groups 597 ....Toggle joint between groups 598 ...Thrust means directly between group axles 599 .Disk gang 600 ..Supported for tilting and horizontal angling adjustment 601 ..Disks rotatable relative to axle 602 .Single disk freely swayable 603 .Disk horizontally angularly changeable 604 .Detailed disk structure per se 605 SHIFTABLE HITCH MOVES TOOL RELATIVE TO FRAME 606 WITH CLEANER 607 .Cleaner surrounds tooth 608 .Clearing roller 609 .For plural tools 610 .Scraper 611 WITH WEIGHT 612 FABRIC OR FLEXIBLE TOOL 613 PLURAL RELATIVELY MOVABLE TOOLS 614 .Tool pivots on pivoted member when member moves 615 ..Tools connected to parallel pivoted bars 616 ...Bars pivoted about vertical axis 617 ....Also pivoted about horizontal axis 618 .Tools assume different angularity for opposite draft 619 .Plural tool groups relatively vertically movable because of operation 620 ..Parallel transverse tooth bars 621 ...Spring biased bars 622 ...With actuator to vary inclination of teethh 623 ..Groups abreast and in tandem 624 ..Plural groups movably connected to forward transverse draft bar 624.5 ...With parallelogram-type linkage 625 ...With alternate draft means (spaced 90 degrees) 626 ...Sectional draft bar 627 ...Groups also connected to one another 628 ..Similar groups arranged to form a triangular shape 629 ..Three or more laterally spaced groups 630 ..Groups pivoted to opposite sides of longitudinal draft member 631 ..Groups movable about common longitudinal axis 632 ..Group movable about oblique horizontal axis 633 ..Group pivotal about intermediate transverse axis 634 .Parallel, pivotally adjusted tool bars 635 ..With actuator 636 ...Tools also adjustable about vertical or longitudinal axes 637 ...Plural actuators, independently pivoted tool bars 638 ...Gear 639 ..Specific mounting for pivoted tool bar 640 .Tool group pivotally adjustable about horizontal axis 641 .Beam spreader of the pivoted yoke type 642 .Pair of tools cooperate to move earth to or from plant row 643 .Spring formed tool or standard 644 .Tools longitudinally adjustable to and from transverse alignment 645 .Tools relatively adjustable horizontally without causing vertical displacement 646 ..Laterally adjustable tools, independently free to move vertically 647 ..Tools simultaneously adjustable about their individual, spaced vertical axes 648 ..Collapsible lazy tong group 649 ..Tool groups relatively horizontally adjustable 650 ...Also vertically adjustable 651 ...Group pivoted about vertical axis 652 ....V-shaped 653 .....Nested 654 ..Main central beam, tools laterally adjustable relative thereto 655 ..Tool adjustable vertically and laterally 656 ..Tool laterally adjustable 657 .Relatively movable because of operation 658 ..With interconnecting means to prevent independent lateral movement 659 .Adjustable about spaced horizontal axes 660 ..Concurrent adjustment 661 .Vertically translatable tool 662 .Tool movable to non-use position 663 WITH ACTUATOR 664 .For relatively movable earth engaging parts 665 ..Tool and runner 666 .For adjustment about longitudinal axis 667 .For lateral adjustment 668 .For vertical adjustment with respect to wheeled frame 669 WITH WHEEL; OR SUPPORTED ON WHEEL FRAME OR BROADLY CLAIMED IMPLEMENT 670 .All wheels on one side of tool 671 .Mounted on single longitudinal beam in tool pathh 672 ..Wheel secured to tool 673 .Laterally adjustable tool 674 .With bracket to hold tool off ground 675 .Vertically adjustable tool 676 .Tool follows wheel path 677 WITH DRAFT DETAIL 678 .Spring biased hitch 679 .Adjustable 680 ..Vertical 681 TOOL, STANDARD OR CONNECTION 682 .Tool flexed to change contour 683 .Latched in earth working position 684 .Tool pivots on member when member moves 684.5 .Frame-supported blade, scraper, or smoother drawn by vehicle 685 .Plural tools 686 ..Right and left hand type 687 ..Longitudinally spaced rows 688 ...Staggered 689 ..Closed geometrically shaped frame 690 ..V-shaped frame 691 ..Mounted on transverse or oblique tool bar 692 ...Angularly adjustable bar 693 ...Oblique bar 694 ..Laterally spaced tools 695 ...Tools in echelon (3 or more) 696 ...Tools on opposite side of longitudinal beam 697 ...Tools in transverse alignment 698 .Tool with laterally spaced standards 699 .Subsoilers 700 ..With separate vertically spaced earth working portion attached to same standard 701 .Ridgers 701.1 .Tool is transversely elongated blade (e.g., bulldozer) 701.2 ..Having removable corner bit 701.3 ..Having removable cutting edge 702 .Reversible part 703 ..Earth engaging means 704 ...Portion of earth engaging assembly 705 .Spring biased or formed tool or tool part 706 ..Plural earth engaging parts relatively movable during operation 707 ..Spring formed tool or standard 708 ...With separate or rigid earth working portion 709 ..Laterally biased 710 ..Pivoted tool biased beyond pivot 711 ..Leaf or torsion spring 712 .Tool assumes different position for opposite draft 713 .Tooth 714 .Plural earth engaging parts relatively movable because of operation 715 ..Rotary landslide 716 ..Movable moldboard for inverting furrow slice 717 ...Belt 718 ...Roller 719 .With add-on cutting or wearing element applied directly over, or onto, the original cutting element 720 .Subsurface blade (e.g., weeder, etc.)) 721 .Non-rectangular, symmetrical type 722 ..Earth breaking part and separately attached wings 723 ...Draw cut point 724 ...Wings integral 725 ..With separable vertical cutter on centerline 726 ..Having separable parts jointed at centerline 727 ..With attached runner or depth gauge 728 ...With additional blades attached to runner 729 ...Adjustable 730 ..Winged 731 ..Lateral extent decreases upwardly 732 ..Triangular blade 733 ..Constant height and V-shape 734 .Adjustable 735 ..To present different working portion 736 ..Relatively adjustable earth engaging parts 737 ...Element adjusted for wear compensation 738 ...Relatively adjustable tool and runner 739 ..Adjustable about horizontal transverse axis 740 ...Tool adjustably connected to standard 741 ..Laterally adjustable 742 ...Adjustable about a vertical axis 743 ...Adjustable about a longitudinal axis 744 ..Vertically adjustable 745 .Welded 746 .With portion extended beyond landslide 747 .Specific material 748 .Pivoted tool 749 .Having separable parts interconnected without detachable fastening means 750 ..Self-engaging snap fastener 751 ..Captive fastener or wedge tightened or engaged after assembly 752 .With separable vertical planar longitudinal cutter (e.g., colter, etc.) 753 .Interlocked or interfitted parts 754 .Share and furrow slice inverting moldboard 755 ..Heating or lubricating 756 ..Skeleton 757 ..Furrow slice retainer 758 ..Furrow slice cutter or breaker 759 ..With additional element juxtaposed to moldboard 760 ..Specific moldboard shape 761 ..Serrated, toothed or notched point or share 762 .Specific tool and standard connection 763 .Specific standard and beam connection 764 .With separate runner, gauge, shoe or landslide 765 .Specific tool shape 766 ..Tool with parallel fingers or blades 768 ..Draw cut type 769 ..Separable parts 770 ..Angularly related tool surfaces 771 ..With curved surface 772 .Removable tool portion (e.g., replaceable cutting or wearing element for tool) 772.5 ..Portion is cutting edge 773 .Specific standard 774 ..With lateral offset 775 ..Bracedd 776 MISCELLANEOUS (E.G., FRAMES, ETC.) * ****************************** * CROSS-REFERENCE ART COLLECTION * ****************************** 900 PLANT THINNERS