US Patent Class 172
EARTH WORKING



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  PROCESSES
2  DF  AUTOMATIC POWER CONTROL
3  DF  .~ Motive power control
4  DF  .~ Constant depth type
4.5  DF  .~ Land leveller type
5  DF  .~ Obstruction sensing type (includes plant sensing)
6  DF  .~.~ Electrical
7  DF  .~ Draft responsive
8  DF  .~.~ Variable rate responsive
9  DF  .~.~ With manual actuator to select type of condition sensed
10  DF  .~.~ Sensitivity adjustment
11  DF  .~.~ With excess draft release
12  DF  .~.~ Overload lift type
13  DF  LAWN EDGER
14  DF  .~ With or convertible to non-earth working implement
15  DF  .~ Rolling or driven cutter
16  DF  .~.~ With fixed cutter or furrower
17  DF  .~ With wheel or roller
18  DF  .~ Impact or grapple
19  DF  SOD CUTTER
20  DF  .~ With means for vertical transverse cutting while moving
21  DF  LAWN AERATOR OR PERFORATOR, OR PLUG REMOVER
22  DF  .~ Earth removing
23  DF  DRIVEN FROM OR GUIDED BY STATIONARY OBJECT, OR ANCHORED
24  DF  .~ Around tree or stake
25  DF  .~ Rotatable about vertical axis
26  DF  .~ Guided by surface track or previously formed shoulder
26.5  DF  .~ Dragline scraper
26.6  DF  .~.~ Scraper part rearranged upon reverse movement
27  DF  WITH MEANS FOR CUTTING OR SHREDDING PLANTS WITHOUT SOIL DISTURBANCE
28  DF  .~ Driven
29  DF  WITH MEANS FOR SHIFTING SURFACE MATERIAL WITHOUT SOIL DISTURBANCE
30  DF  .~ Driven shifting means
31  DF  .~ Combined with rolling or vertically acting transverse cutter
32  DF  WITH SEPARATING AFTER EARTH WORKING
33  DF  WITH POWER DRIVEN MOLDBOARD, CONVEYER OR HANDLER
34  DF  COMPLETE APPARATUS ADAPTED FOR USE UPSIDE DOWN
35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER
36  DF  .~ Subsurface shears or nippers
37  DF  .~ Tool rotated by attendant
38  DF  .~ With obstruction feeling device for moving or releasing implement
39  DF  .~ With cleaner or comminutor spaced from ground surface
40  DF  .~ Vibrating tool
41  DF  .~ Attendant supported tool
42  DF  .~ Guided by walking attendant
43  DF  .~.~ With ground support vertically adjustable relative to frame
44  DF  .~ Subsurface shaft or bar (e.g., rod weeder)
45  DF  .~ Flails
46  DF  .~ Coaxial tools oppositely rotated
47  DF  .~ With specific relationship of mast-type hitch (i.e., three-point hitch) to implement
48  DF  .~ Plural driven tools
49  DF  .~.~ Contiguous cooperating or intermeshing rotary ground engaging tools
49.5  DF  .~.~.~ Rotating about vertical axes
50  DF  .~.~ Diverse tools
51  DF  .~.~.~ All rotary
52  DF  .~.~.~.~ Parallel axes
53  DF  .~.~.~ Rectilinearly reciprocating tool
54  DF  .~.~.~ Oscillating tool
54.5  DF  .~.~ Tool reciprocates or oscillates within a generally horizontal plane
55  DF  .~.~ Plural groups of disks
56  DF  .~.~ Staggered tools
57  DF  .~.~ Laterally spaced tools
58  DF  .~.~.~ Longitudinal axes
59  DF  .~.~.~ Vertical axes
60  DF  .~.~.~ Transverse axes
61  DF  .~ Intermittent drive for tool
62  DF  .~.~ With spring return
63  DF  .~ With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.)
64  DF  .~.~ Non-driven furrow opener and driven dam former
65  DF  .~.~ Interdigitating non-driven and driven tools
66  DF  .~.~ Cooperating driven cleaner or comminutor and contiguous tool
67  DF  .~.~ Driven comminutor at outlet of earth guide
68  DF  .~.~ Rolling tool
69  DF  .~.~.~ With tool drive from rolling tool
70  DF  .~.~ Fore-and-aft non-driven tool
71  DF  .~.~ Non-driven tool follows path of driven tool
72  DF  .~.~.~ Leveling drag or furrow shaper
73  DF  .~.~ Staggered driven and non-driven tool (e.g., cotton chopper, etc.)
74  DF  .~ With power take-off from tool drive to adjust tool
75  DF  .~ Interconnected tool lift and drive control
76  DF  .~ Implement with ground support for depth control
77  DF  .~.~ Vertically biased implement
78  DF  .~.~ Vertically adjustable ground support
79  DF  .~.~ Tool driven from prime mover on vehicle
80  DF  .~ With wheel substitute (e.g., runner, etc.)
81  DF  .~ With plant deflector or protector
82  DF  .~ Driven tool selectively shiftable along line of travel
83  DF  .~.~ Tool drive interrupted by shifting tool
84  DF  .~ Simultaneously reciprocating and oscillating blade having elongated shank
85  DF  .~.~ Transverse chopping type
86  DF  .~.~.~ With plural cranks or cams driving each blade
87  DF  .~.~.~ Means for varying contour of path of blade
88  DF  .~.~ With plural cranks or cams driving each blade
89  DF  .~.~ Means for varying contour of path of blade
90  DF  .~ Irregular or off-center ground-engaging wheel or support
91  DF  .~ Blade movable with respect to cyclically driven carrier
92  DF  .~.~ With means for moving blade
93  DF  .~.~.~ Rectilinearly reciprocating blade
94  DF  .~.~.~ Blade oscillating arcuately or swivelly with respect to rotary carrier
95  DF  .~.~.~ By cam or crank
96  DF  .~.~ Blade flexible or with yieldable mount on carrier
97  DF  .~ Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating)
98  DF  .~ Tool mounted for lateral shifting
99  DF  .~.~ About generally vertical axis
100  DF  .~ Blade on endless driven belt or chain
101  DF  .~ Tool guided for rectilinear reciprocation
102  DF  .~.~ Tool moves in horizontal, transverse path
103  DF  .~ With overload relief or clutch in drive train (e.g., overload release, etc.)
104  DF  .~.~ Unidirectional clutch in drive from ground wheel
105  DF  .~ Driven from rolling or driven ground wheel
106  DF  .~.~ Belt or chain drive
107  DF  .~ Tool driven about horizontal, longitudinal axis
108  DF  .~.~ Rotary driven tool
109  DF  .~.~.~ Adjustable tooth or blade
110  DF  .~ Tool driven about generally vertical axis (e.g., oscillating choppers, etc.)
111  DF  .~.~ Rotary driven tool
112  DF  .~ With deflector or shield for thrown material
113  DF  .~.~ Laterally directed outlet flow
114  DF  .~ Specific propelling means
115  DF  .~.~ Tool steers implement
116  DF  .~.~ Tool propels implement
117  DF  .~ Tool freely or yieldably mounted on chassis
118  DF  .~ Tool driven about axis transverse to draft line
119  DF  .~.~ Screw or spiral rib, blade or tooth row
120  DF  .~.~ Disk or planar cutter (e.g., saw, etc.)
121  DF  .~.~ Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)
122  DF  .~.~ Drum with teeth or blades
123  DF  .~.~ Rotary driven tool
124  DF  .~ Tool driven about diagonal axis
125  DF  .~ Tool drive details
126  DF  WITH EARTH MARKER
127  DF  .~ Marker shiftable on turning
128  DF  .~ Marker adjusted upon raising implement
129  DF  .~ Ground wheel operated marker control
130  DF  .~ Multiple interconnected markers
131  DF  .~.~ Markers on laterally shiftable member
132  DF  .~ Marker swingable about longitudinal axis to both sides
777  DF  SCRAPER SUPPORTS NARROW DEPENDING TOOL
778  DF  .~ Tool supporting clamp means engage upper and lower edges
779  DF  SCRAPER POSITION AUTOMATICALLY CONTROLLED BY LINKAGE FOR LEVELLING
780  DF  SCRAPER BETWEEN WIDELY SPACED FRONT AND REAR GROUND SUPPORTS
781  DF  SCRAPER BETWEEN FRONT AND REAR GROUND SUPPORTS OF VEHICLE
782  DF  .~ With laterally offset inclined shoulder forming tool
783  DF  .~ With scraper attached ground support
784  DF  .~ With diverse tool or portion
785  DF  .~.~ Non-scraping tool precedes and spaced from scraper
786  DF  .~ Plural scrapers
787  DF  .~.~ Spaced and in same path
788  DF  .~ Push frame for scrapers
789  DF  .~ Actuator for bodily shifting scraper subframe draft connection
790  DF  .~ Counterbalance means for scraper adjustment
791  DF  .~ Three or more independently operable scraper actuators
792  DF  .~.~ Scraper adjustable about vertical axis of annular support
793  DF  .~.~.~ Actuator for laterally shifting support
794  DF  .~ Spring biased into ground contact
795  DF  .~ Specific actuator between frame and scraper
796  DF  .~.~ For adjustment about vertical axis
797  DF  .~.~ For adjustment about longitudinal axis
798  DF  .~ Actuator for tilting wheel relative to vehicle frame
799  DF  .~ Specific means for horizontally angling wheel relative to vehicle frame
799.5  DF  TOWED SCRAPER WITH GROUND SUPPORT WHEELS
133  DF  DIVERSE TOOLS
134  DF  .~ One located in path of implement wheel
135  DF  .~ One implement surrounds another
136  DF  .~ Tools usable alternately only
137  DF  .~ With means to vary spacing of tools upon turning
138  DF  .~ With interconnected vertical adjustment
139  DF  .~.~ Plow and colter
140  DF  .~ With independent means for vertical movement
141  DF  .~ Interconnected adjustment of horizontal angle of rolling and position of diverse tool
142  DF  .~ Including spring formed tool or standard
143  DF  .~ Including intermittently rolling tool
144  DF  .~ Colter, jointer and plow
145  DF  .~ Three or more diverse implements following same path (A, B, C, or A, B, A,)
146  DF  .~.~ Four or more
147  DF  .~.~.~ Alternately diverse (A, B, A, B)
148  DF  .~.~ Longitudinally spaced like implements with intermediate diverse implement (A, B, A)
149  DF  .~.~ Including rolling tool
150  DF  .~.~.~ Smooth levelling roller
151  DF  .~.~.~ Diverse rolling
152  DF  .~ At least four alternately diverse laterally spaced tools (A, B, A, B)
153  DF  .~.~ Alternate rolling and non-rolling
154  DF  .~.~ All rolling
155  DF  .~ Laterally spaced like tools with intermediate diverse tool (A, B, A)
156  DF  .~.~ Spaced rolling with intermediate nonrolling
157  DF  .~.~ Spaced non-rolling with intermediate rolling
158  DF  .~.~ All rolling
159  DF  .~.~ Spaced right and left hand tools with intermediate symmetrical tool
160  DF  .~.~ Including spike tooth
161  DF  .~ Including implement alternating for right or left hand operation
162  DF  .~.~ Reversal of implement adjusts diverse tool
163  DF  .~ Jointer and plow
164  DF  .~.~ Rolling jointer
165  DF  .~ Including colter
166  DF  .~.~ Rolling colter
167  DF  .~ Fixed point or share with rotary moldboard
168  DF  .~ Rotating tool with fixed moldboard
169  DF  .~ Including tool rotatable about vertical axis
170  DF  .~ Including smooth levelling roller
171  DF  .~.~ Spaced from moldboard side of plow
172  DF  .~.~ With diverse rolling tool
173  DF  .~.~ With teeth
174  DF  .~ Rolling and non-rolling
175  DF  .~.~ Following same path
176  DF  .~.~.~ Furrowing or ridging implement followed by furrow or ridge roller
177  DF  .~.~.~ Rolling tool has circumferentially spaced blades, tines or the like
178  DF  .~.~.~ Including disk gang
179  DF  .~.~.~ Non-rolling tool group with laterally co-extensive rolling tool
180  DF  .~.~.~ Rolling precedes non-rolling (same path)
181  DF  .~.~.~.~ Concave furrowing disk with trailing tool
182  DF  .~.~ Laterally spaced
183  DF  .~.~.~ With scissors or shearing action between adjacent faces
184  DF  .~ Diverse rolling
185  DF  .~.~ Spaced on same axis of rotation
186  DF  .~.~ Plane and dished disks
187  DF  .~.~ Differing in size
188  DF  .~ Runner attached
189  DF  .~ Including fabric or flexible tool
190  DF  .~ Including vertical, longitudinally oriented disc or blade (e.g., as stabilizer)
191  DF  .~.~ Plural
192  DF  .~ Including horizontal knife or cutter
193  DF  .~ First tool with spaced trailing sweep
194  DF  .~.~ Sweep adjustable
195  DF  .~ Second implement follows path of first
196  DF  .~.~ Including subsoiler
197  DF  .~.~ Teeth and scraper, leveller or drag
198  DF  .~.~ Including teeth
199  DF  .~.~ Including drag, scraper or levelling blade
200  DF  .~.~.~ Proceeded by implement of different type
201  DF  .~ Laterally spaced
202  DF  .~.~ Spaced from moldboard side of plow
203  DF  .~.~.~ Connected to moldboard or handle
204  DF  ALTERNATING FOR RIGHT OR LEFT HAND OPERATION (OTHER THAN SCRAPER)
205  DF  .~ Draft revoluble on transverse axis
206  DF  .~ Interrelated tool shift and lateral movement of draft member
207  DF  .~.~ Draft member reversed
208  DF  .~.~ Draft member latch control
209  DF  .~ Interrelated tool lift and shift
210  DF  .~.~ Mast type hitch
211  DF  .~.~ Lift by ground support manipulation
212  DF  .~ Interrelated tool shift and ground support manipulation
213  DF  .~ Tools oriented for movement in opposite directions
214  DF  .~.~ Wheeled frame with reversible draft member
215  DF  .~.~ Tilting beam
216  DF  .~.~ Pivoted about spaced transverse axes, or translated
217  DF  .~.~ With movable deflector
218  DF  .~ Shiftable moldboard
219  DF  .~ Tool shifted for opposite throw
220  DF  .~.~ Reversible disk with reversible cleaner
221  DF  .~.~ Plural tools shifted about individual vertical axes
222  DF  .~.~.~ With translational movement of axes
223  DF  .~.~ Moldboard type shiftable about longitudinal axis
224  DF  .~ Axially rotatable implement
225  DF  .~.~ With actuator
226  DF  .~.~.~ Gearing
227  DF  .~.~.~.~ Chain or cable
228  DF  .~ Parallel separate tools
229  DF  .~.~ Interconnected for simultaneous raising and lowering
230  DF  .~.~ Independently operable
231  DF  .~.~.~ Power derived from ground wheel
232  DF  .~ Oblique axis in longitudinal vertical plane
233  DF  WITH OBSTRUCTION FEELER FOR MOVING OR RELEASING IMPLEMENT TO AVOID OBSTRUCTION (INCLUDES DAM FORMER)
234  DF  .~ Relatively movable
235  DF  .~.~ Latch releasing
236  DF  GROUND ENGAGEABLE DRAFT RESPONSIVE LEVER
237  DF  .~ Roll over type implement
238  DF  GROUND SUPPORT MOVED VERTICALLY RELATIVE TO FRAME BY DRAFT MEANS
239  DF  DRAFT, PITCH OR GROUND LEVEL RESPONSIVE DEPTH CONTROL
240  DF  WITH GROUND SUPPORT ENGAGEABLE WITH GROUND FOR TRANSPORT ONLY
241  DF  .~ Apparatus inverted to engage ground support with ground
242  DF  .~ Implement tiltable on longitudinal axis
243  DF  .~ Tool changeable to or replaced by ground support
244  DF  .~ Tool and ground support moved together relative to frame
245  DF  CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY
246  DF  .~ To land vehicle with body
247  DF  .~ To device classifiable in another class
248  DF  .~ To different type of hitch
249  DF  .~ Plural simultaneously usable tools to single tool
250  DF  .~ Changeable by disassembly or assembly
251  DF  .~.~ Tool changeable to diverse tool
252  DF  .~.~.~ Tool plus added part forms diverse tool
253  DF  .~.~ Tool added or substracted
254  DF  .~.~ Tool rearranged on support structure
255  DF  TURN LIFTS TOOL OFF OR LOWERS TOOL INTO GROUND
256  DF  PROPULSION UNIT GUIDED BY WALKING ATTENDANT OR PART OF ARTICULATED VEHICLE
257  DF  .~ Riding attendant
258  DF  .~ Endless track or single driven wheel
259  DF  .~ With vertically adjustable wheel
260  DF  .~ With actuator for moving earth working element vertically
260.5  DF  HAVING TOOL OVERLOAD SHIFT CONTROLLED BY A FLUID PRESSURE DEVICE
261  DF  OVERLOAD SHIFTING
262  DF  .~ Alternate tool brought into operation upon shift
263  DF  .~ Actuator released
264  DF  .~ Against spring return device
265  DF  .~.~ Swinging about fixed pivot axis
266  DF  .~.~.~ Including toggle linkage
267  DF  .~.~.~.~ Toggle adjustable
268  DF  .~.~.~.~ Toggle links at acute angle
269  DF  .~ Resilient latch
270  DF  .~ Friction lock
271  DF  .~ Frangible lock (e.g., shear pin, etc.)
272  DF  WITH MEANS TO FACILITATE MOUNTING OF IMPLEMENT ON MOTOR VEHICLE
273  DF  .~ Tool forward of rear of motor vehicle
274  DF  .~ Implement has ground support
275  DF  .~ Self-coupling by horizontal movement
810  DF  MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE
811  DF  .~ Transversely mounted blade (e.g., bulldozer, etc.)
812  DF  .~.~ With valve or pump for hydraulic control system
813  DF  .~.~ Fluid line specifically arranged, or shield for system component
814  DF  .~.~ Having means controlling drive for interconnected vehicles
815  DF  .~.~ Contiguous, relatively adjustable blades; or blade having relatively adjustable earth-engaging parts
816  DF  .~.~ Blade mounting includes resilient connection
817  DF  .~.~ Removable attachment for general purpose vehicle
818  DF  .~.~ Blade angle adjustable in a horizontal plane
819  DF  .~.~.~ Power-operated adjusting means
820  DF  .~.~.~.~ Blade angled about fixed, central, generally vertical axis
821  DF  .~.~.~.~.~ And tilt of blade adjustable in a generally vertical plane
822  DF  .~.~.~.~ And tilt of blade adjustable
823  DF  .~.~.~ And tilt of blade adjustable
824  DF  .~.~ Having adjustable tilt of angularly fixed blade
825  DF  .~.~.~ About a pivot axis fixed to mounting
826  DF  .~.~.~ Including adjustable length device between mounting means and upper corner portion of blade
827  DF  .~.~ Having means to prevent lateral movement of mounting or blade
828  DF  .~.~ With power means for raising and lowering blade
829  DF  .~.~.~ Including elongated flexible element (e.g., cable) connecting power means to tool or mounting means
830  DF  .~.~.~ Power means is fluid servomotor
831  DF  .~.~.~.~ Plural servomotors
832  DF  .~.~ With blade-carried ground support
833  DF  .~ Tool prepares wheel path for passage of wheel
834  DF  .~ With tool-carried ground support
278  DF  WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS
279  DF  .~ Implement part interconnected with motor vehicle steering means
280  DF  .~.~ Implement wheel steered
281  DF  .~.~ Transverse tool bar laterally shiftable
282  DF  .~ Wheel on trailing implement responds to turning movement
283  DF  .~.~ Interconnected with adjustable tool
284  DF  .~.~ With additional angular adjustment of wheel
285  DF  .~.~ Rear wheel turned or controlled
286  DF  .~ Wheel on non-propelled device
287  DF  .~.~ Wheel interconnected with tool
288  DF  .~.~ Plural interconnected relatively movable wheels
289  DF  .~.~.~ Transversely aligned stub shafts
290  DF  .~.~ Swinging axle
291  DF  .~.~ Wheel behind tool
292  DF  SPECIFIC PROPELLING MEANS
293  DF  SERIES OF LIKE ELEMENTS SEQUENTIALLY OPERATED BY POWER CYCLE
294  DF  .~ Sequentially operated servo-motors
295  DF  .~ Tool forward of rear of motor vehicle
296  DF  .~ Shaft with spirally arranged projections
297  DF  TOOL FORWARD OF REAR OF MOTOR VEHICLE
298  DF  .~ With ground support
299  DF  .~ Power actuator with cut-out or lock-out means
300  DF  .~ With rearwardly mounted tool
301  DF  .~.~ Tools actuated by independent power units
302  DF  .~.~.~ Front and rear independent
303  DF  .~ Power actuator with manual adjusting or supplemental manual actuating means
304  DF  .~ Tools independently actuatable
305  DF  .~ With means for moving tool laterally
306  DF  .~ Connected to front axle
307  DF  .~ Parallelogram type lift
308  DF  .~ With push bar
309  DF  .~ Pivoted on horizontal diagonal axis
310  DF  PLURAL WHEELED IMPLEMENTS
311  DF  .~ Outrigged implement adjustable inwardly
312  DF  .~ Implement draft connection forwardly of rear of self-propelled vehicle
313  DF  .~ Laterally spaced with separate draft tongues
314  DF  .~ Implements in echelon (e.g., gang plows, etc.)
315  DF  ACTUATOR ON TRAILING IMPLEMENT, CONTROLLED FROM PROPELLING VEHICLE
316  DF  .~ Servo-motor on implement
317  DF  ACTUATOR ON VEHICLE FOR RELATIVELY MOVING PARTS OF TRAILING IMPLEMENT
318  DF  .~ Actuator on vehicle moves implement ground support vertically relative to implement frame
319  DF  .~.~ Interconnected means for moving hitch
320  DF  .~ Disk gang angling
321  DF  ACTUATOR ON VEHICLE FOR MOVING WHEELED IMPLEMENT
322  DF  WITH ACTUATOR FOR ROCKING TOOL ABOUT WHEEL AXIS
323  DF  .~ Unstable wheeled frame moved by actuator
324  DF  WITH ACTUATOR ON TRAILING GROUND SUPPORTED FRAME FOR MOVING DRAFT MEANS LATERALLY OR VERTICALLY
325  DF  .~ Tool rigidly connected to tongue
326  DF  .~ Vertically
327  DF  .~.~ With vertically adjustable ground support
328  DF  .~.~.~ Interconnected means for adjusting draft means and ground support
329  DF  GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT
330  DF  .~ With seat for moving hitch
331  DF  .~ Hitch guided relative to supporting frame
332  DF  .~ Tool manipulated with respect to mounting frame
333  DF  .~.~ Arched wheel frame (i.e., straddle row, etc.)
334  DF  .~.~.~ Seat counterbalanced beam
335  DF  .~.~.~ With spring biasing means
336  DF  .~.~.~.~ Spring biased upwardly during operation
337  DF  .~.~.~ Combined implement lift and wheel adjustment
338  DF  .~.~.~ Tongueless, animal draft
339  DF  .~.~.~.~ With balancing means
340  DF  .~.~.~ Multiple plant row type
341  DF  .~.~.~ With added intermediate tool
342  DF  .~.~.~ Cross connected drag bars
343  DF  .~.~.~ Foot operated
344  DF  .~.~.~ With support bracket for transport
345  DF  .~.~ Manipulated about longitudinal axis
346  DF  .~.~ Plural tools independently or oppositely manipulable
347  DF  .~.~ Spring biased
348  DF  .~.~ Vertically manipulated
349  DF  .~ Rolling tool
350  DF  .~.~ Handle swingably mounted on axis of tool
351  DF  .~ Guided or propelled by walking attendant and with ground support or draft means
352  DF  .~.~ With stepper propulsion means
353  DF  .~.~ With body harness or engaging means
354  DF  .~.~ With wheel
355  DF  .~.~.~ Alternately usable tools rocked about wheel axis
356  DF  .~.~.~ Plural longitudinally spaced wheels
357  DF  .~.~.~ Handle forward of tool
358  DF  .~.~.~ Tool forward of wheel
359  DF  .~.~.~ Tool and handle relatively vertically adjustable
360  DF  .~.~ With wheel substitute (e.g., runner, etc.)
361  DF  .~.~ Handle connected to tool or runner
362  DF  .~.~ Tool standard connected to handle
363  DF  .~.~ Plural handles associated with relatively adjustable tools
364  DF  .~.~ Handle mounted tool adjusting, latching or locking mechanism
365  DF  .~.~ Tool and handle relatively adjustable
366  DF  .~.~.~ Vertically
367  DF  .~.~ Multiple handles connected to multiple longitudinal tool carrying beams
368  DF  .~.~ Plural handles connected to opposite sides of longitudinal beam
369  DF  .~.~.~ With brace member
370  DF  .~ With attendant attaching means
371  DF  .~ Hand tool
372  DF  .~.~ Adjustable
373  DF  .~.~.~ Plural tools relatively adjustable
374  DF  .~.~.~.~ At least one tool immovably secured to handle
375  DF  .~.~ Alternately usable diverse tools or parts
376  DF  .~.~ Loop type
377  DF  .~.~ Channel type
378  DF  .~.~ Plural prongs, teeth or serrations
379  DF  .~.~.~ Plural rows
380  DF  .~.~.~ Made from sheet material
381  DF  .~.~ Non-planar earth working portion
382  DF  MULTIPLE LEVEL TOOLS
383  DF  AXIS OF ROTATION OF WHEEL LOCKABLE OR ANGULARLY ADJUSTABLE
384  DF  .~ With actuator for tilting in a vertical plane
385  DF  .~ Adjustable stop
386  DF  .~ Lockable against free swinging
387  DF  WITH WHEEL SUBSTITUTE (E.G., RUNNER, ETC.)
388  DF  .~ With wheel
389  DF  .~ Spring tooth implement
390  DF  .~.~ Parallel pivoted tooth bars
391  DF  .~ Spike tooth implement
392  DF  .~ Plural runner supported implements relatively movable during operation
393  DF  .~ Spaced parallel runners with tool mounted therebetween
394  DF  .~ Disk type tool
395  DF  WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME
396  DF  .~ Vertically adjustable or selectively lockable hitch
397  DF  .~ Tool land ground support moved together relative to frame
398  DF  .~.~ Linkage to tool
399  DF  .~ With power take-off from plural wheels
400  DF  .~ Actuator and interconnected means for adjusting wheels on different axles
401  DF  .~.~ Three or more adjustable wheels on different axles interconnected
402  DF  .~.~.~ With power take-off from self-adjusted wheel
403  DF  .~.~ With power take-off from wheel
404  DF  .~.~.~ Wheel adjusted by own power
405  DF  .~.~ One wheel translates another swings
406  DF  .~.~ With additional actuator changing relative position of wheels
407  DF  .~ Power operated adjustment
408  DF  .~.~ Wheel actuates its crank axle mount
409  DF  .~.~.~ Wheel lockable to crank axle arm
410  DF  .~.~.~ Intermittently rotatable member swingable with crank
411  DF  .~.~.~.~ "Constant height" depth adjustment
412  DF  .~.~.~ Swingable arm engageable with wheel
413  DF  .~.~ Servo-motor adjusting means
414  DF  .~ Flexible or lost motion connection to actuator
415  DF  .~ Translating motion
416  DF  .~.~ One ground support translates and another swings
417  DF  .~.~ Parallel links
418  DF  .~.~ With actuator
419  DF  .~.~.~ Screw jack type
420  DF  .~.~.~ Rack and pinion or ratchet type
421  DF  .~ Plural ground supports vertically adjustable relative to each other and the frame
422  DF  .~ Crank axle with angularly spaced wheel carrying arms
423  DF  .~ With actuator
424  DF  .~.~ Spring assisted
425  DF  .~.~ Gearing
426  DF  .~.~.~ Worm gear
427  DF  .~.~.~ Screw jack type
428  DF  .~.~.~ Rack and pinion or ratchet type
429  DF  .~.~ Manually operated lever rigid with crank axle
430  DF  WITH INDICATING OR SIGHTING MEANS
431  DF  WITH SEAT OR ATTENDANT'S STATION
432  DF  .~ Plural
433  DF  .~ Riding attachment
434  DF  .~ Movable to non-use position
435  DF  .~ Operator changes position or seat adjustable
436  DF  .~ Mounted on transverse member connecting plural implements
437  DF  WITH TOOL SHARPENER
438  DF  COMBINED
439  DF  MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)
440  DF  .~ Angled gangs liftable as a unit
441  DF  .~.~ Tandem gangs
442  DF  .~.~.~ With actuator for angling groups relatively
443  DF  .~ Struts on trailer or between implement parts
444  DF  .~ Hitch quadrilateral modified during lift
445  DF  .~ With means operated by vertical hitch movement
445.1  DF  .~ Including blade, scraper, or smoother
445.2  DF  .~.~ Angularly adjustable about vertical axis
446  DF  .~ Laterally adjustable tool
447  DF  .~.~ Rockable about vertical axis
448  DF  .~ With auxiliary vertical adjustment
449  DF  .~ Tool movable relative to mast while earth working
450  DF  .~ Sway limiting means or swayable tool
451  DF  .~ With tool frame or bar extending beyond sides of vehicle
452  DF  WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT
453  DF  .~ Actuator electrically powered
454  DF  .~ Angled gangs lifted as a unit
455  DF  .~.~ Tandem gangs
456  DF  .~ Central group liftable vertically, side groups movable inwardly
457  DF  .~ With means to restrain lateral sway when raised
458  DF  .~ Vertical movement interrelated with another
459  DF  .~ Pivotable about longitudinal axis (e.g., lateral levelling, etc.)
460  DF  .~.~ Tool independently vertically adjustable at transversely spaced points
461  DF  .~ Tool lifted with respect to stationary or relatively movable cleaner
462  DF  .~ Plural tools, individually spring biased down, lifted as unit
463  DF  .~ Lift actuator moves with tool or forms removable unit therewith
464  DF  .~ Servo-motor forces tool down
465  DF  .~ Servo-motor with follow-up control (e.g., motion responsive position control, etc.)
466  DF  .~ Tool held raised for relieving load on servo-motor
467  DF  .~ With shiftable hitch causing vertical movement
468  DF  .~ Plural tools, independently actuatable
469  DF  .~.~ By single selectively connectable actuator
470  DF  .~.~ With separate actuator for concurrent lift or with interlock
471  DF  .~.~ Three or more independent actuators
472  DF  .~ Plural tools simultaneously raised, individually lowered
473  DF  .~ Tool differentially or sequentially lifted at longitudinally spaced points
474  DF  .~ Tool rocked about independently vertically adjustable transverse axis
475  DF  .~.~ Plural longitudinally spaced actuators
476  DF  .~ With lateral adjustment
477  DF  .~.~ Tool adjustable about vertical axis
478  DF  .~ Tool and lift actuator on opposite sides of transverse pivot axis
479  DF  .~ Tool lifted forward of transverse pivot axis
480  DF  .~ Tool swung about freely shiftable or delayed pivot
481  DF  .~ With separate latch
482  DF  .~ Tool swings about rock shaft axis
483  DF  .~ Translatable tool
484  DF  .~.~ By parallel links
485  DF  .~ Power actuator with manual adjusting or supplemental manual actuating means
486  DF  .~.~ Manual actuation coextensive with power
487  DF  .~.~ Constant height depth adjustment
488  DF  .~ Single lift actuator for plural relatively movable tools
489  DF  .~.~ Tools relatively moved during lift
490  DF  .~ Rotary drum actuator
491  DF  .~ Servo-motor actuator
492  DF  .~ With power take-off for actuator
493  DF  .~.~ Position controlled power disengagement
494  DF  .~ Overcenter or toggle holding means
495  DF  .~ Foot operated actuator
496  DF  .~.~ With combined or optional hand actuation
497  DF  .~ Tool spring biased during operation
498  DF  .~.~ Biased to neutral position
499  DF  .~.~ Spring means alternately biases tool in opposite directions
500  DF  .~.~ Tool spring pressed downwardly
501  DF  .~ Lost motion connection between actuator and tool
502  DF  .~.~ Flexible connector
503  DF  .~ Actuator slidably connected to tool
504  DF  .~ Screw actuator
505  DF  .~ Tool connected to frame by bail
506  DF  .~ Spring assisted or spring actuator
507  DF  GROUND SUPPORT MOVABLE HORIZONTALLY
508  DF  WITH GUARD, SHIELD OR PLANT DIVERTER
509  DF  .~ Fender for deflected earth
510  DF  .~.~ Rotary
511  DF  .~.~ Perforated or screening type
512  DF  .~.~ Inverted U-shape
513  DF  .~.~ Laterally spaced fenders for inwardly thrown earth
514  DF  .~ Weed turner or trash holddown
515  DF  .~.~ Spring biased or spring formed
516  DF  .~.~.~ Plural cooperating elements
517  DF  .~ Plant deflector
518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL
519  DF  .~ Yieldable material rim (e.g., rubber, etc.)
520  DF  .~ Tools on different axes in mutual driving relationship
521  DF  .~ With power take-off from tool or wheel
522  DF  .~ Axis substantially vertical
523  DF  .~.~ With vertically extending teeth
524  DF  .~.~.~ Positioning means engaging circumference
525  DF  .~.~.~ With weight
526  DF  .~.~.~ Plural tools
527  DF  .~ Axis substantially longitudinal
528  DF  .~ With means for stopping or retarding rotation
529  DF  .~.~ Positive stop
530  DF  .~.~.~ Wheel or motor controlled
531  DF  .~ Wobble discs
532  DF  .~ Screw or spiral
533  DF  .~ Clutch between shaft and rotating element
534  DF  .~ Wheel or roller with peripherally spaced plant saving means
535  DF  .~ Detachable rim for disk
536  DF  .~ Wheel, roller or gauge and axially adjacent tool on same axis
537  DF  .~ Corrugated surface rollers
538  DF  .~ Paired press rims (e.g., planter press wheels, etc.)
539  DF  .~ Smooth roller with groove, rim or disk
540  DF  .~ Tool has circumferentially spaced teeth, tines, blades or the like
541  DF  .~.~ With means for preventing ground engagement of teeth or blades
542  DF  .~.~ Tooth or blade on endless carrier
543  DF  .~.~ Spring tooth or blade
544  DF  .~.~ Spring moving or mounting means for tooth or blade
545  DF  .~.~ Blades or teeth change position relative to each other or rotating support during rotation
546  DF  .~.~.~ With means for causing movement
547  DF  .~.~ With cleaning means
548  DF  .~.~ Tooth or blade units on single axle
549  DF  .~.~.~ Tooth or blade units angularly adjustable on axle
550  DF  .~.~ Tooth or blade adjustable on carrier
551  DF  .~.~ Rolling tool spring biased into ground contact
552  DF  .~.~ Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)
553  DF  .~.~.~ Toothed bar or blade
554  DF  .~.~ Drum with axially spaced teeth or blades
555  DF  .~.~ Integral disk
556  DF  .~.~ Tooth or blade axially clamped to hub face (e.g., hoe wheel type, etc.)
557  DF  .~ Rim with spokes
558  DF  .~ With disk cleaning means
559  DF  .~.~ Rotatably mounted cleaning means
560  DF  .~.~ Cleaner for pair of converging disks
561  DF  .~.~ Cleaners for opposite sides of disk
562  DF  .~.~ Plural cleaners for single disk
563  DF  .~.~ Cleaners with common operator
564  DF  .~.~.~ Mounted on rock shaft
565  DF  .~.~.~ Operating means moves parallel to disk gang axis
566  DF  .~.~ Spring biased toward disk
567  DF  .~ Disk gang and single disk on diverse axes
568  DF  .~ Disk gang with movable or removable section
569  DF  .~ Disks pivoted on vertical axes with interconnected means for moving them indentically
570  DF  .~ With spring means other than for detent
571  DF  .~.~ Spring is for tool group horizontal angling
572  DF  .~.~ Spring acts to move tool vertically
573  DF  .~.~.~ Plural tools, individually spring urged
574  DF  .~ Plural disks with individual mount or axis
575  DF  .~.~ Touching disks
576  DF  .~.~ With interconnected means for adjusting a plurality of disks
577  DF  .~ Reversible group
578  DF  .~ With wheel (not on motor vehicle)
579  DF  .~ Plural groups of disks
580  DF  .~.~ Power operated actuator
581  DF  .~.~ Groups changeable to different types of arrangements
582  DF  .~.~ With independent lateral adjustment
583  DF  .~.~ Vertically adjustable group
584  DF  .~.~ Horizontally angularly adjustable group
585  DF  .~.~.~ Groups of unequal length
586  DF  .~.~.~ More than two laterally positioned groups
587  DF  .~.~.~ Groups laterally spaced and unaligned
588  DF  .~.~.~ Hitch longitudinally movable on tongue and groups abreast
589  DF  .~.~.~ Turning connection offset from draft connection
590  DF  .~.~.~.~ Latch responsive to tractor motion
591  DF  .~.~.~ With manual actuator
592  DF  .~.~.~.~ Concentric controls
593  DF  .~.~.~.~ Separate handles for independent gang adjustment
594  DF  .~.~.~.~ Double tandem groups
595  DF  .~.~.~ Double tandem groups
596  DF  .~.~.~ Tandem groups
597  DF  .~.~.~.~ Toggle joint between groups
598  DF  .~.~.~ Thrust means directly between group axles
599  DF  .~ Disk gang
600  DF  .~.~ Supported for tilting and horizontal angling adjustment
601  DF  .~.~ Disks rotatable relative to axle
602  DF  .~ Single disk freely swayable
603  DF  .~ Disk horizontally angularly changeable
604  DF  .~ Detailed disk structure per se
605  DF  SHIFTABLE HITCH MOVES TOOL RELATIVE TO FRAME
606  DF  WITH CLEANER
607  DF  .~ Cleaner surrounds tooth
608  DF  .~ Clearing roller
609  DF  .~ For plural tools
610  DF  .~ Scraper
611  DF  WITH WEIGHT
612  DF  FABRIC OR FLEXIBLE TOOL
613  DF  PLURAL RELATIVELY MOVABLE TOOLS
614  DF  .~ Tool pivots on pivoted member when member moves
615  DF  .~.~ Tools connected to parallel pivoted bars
616  DF  .~.~.~ Bars pivoted about vertical axis
617  DF  .~.~.~.~ Also pivoted about horizontal axis
618  DF  .~ Tools assume different angularity for opposite draft
619  DF  .~ Plural tool groups relatively vertically movable because of operation
620  DF  .~.~ Parallel transverse tooth bars
621  DF  .~.~.~ Spring biased bars
622  DF  .~.~.~ With actuator to vary inclination of teeth
623  DF  .~.~ Groups abreast and in tandem
624  DF  .~.~ Plural groups movably connected to forward transverse draft bar
624.5  DF  .~.~.~ With parallelogram-type linkage
625  DF  .~.~.~ With alternate draft means (spaced 90 degrees)
626  DF  .~.~.~ Sectional draft bar
627  DF  .~.~.~ Groups also connected to one another
628  DF  .~.~ Similar groups arranged to form a triangular shape
629  DF  .~.~ Three or more laterally spaced groups
630  DF  .~.~ Groups pivoted to opposite sides of longitudinal draft member
631  DF  .~.~ Groups movable about common longitudinal axis
632  DF  .~.~ Group movable about oblique horizontal axis
633  DF  .~.~ Group pivotal about intermediate transverse axis
634  DF  .~ Parallel, pivotally adjusted tool bars
635  DF  .~.~ With actuator
636  DF  .~.~.~ Tools also adjustable about vertical or longitudinal axes
637  DF  .~.~.~ Plural actuators, independently pivoted tool bars
638  DF  .~.~.~ Gear
639  DF  .~.~ Specific mounting for pivoted tool bar
640  DF  .~ Tool group pivotally adjustable about horizontal axis
641  DF  .~ Beam spreader of the pivoted yoke type
642  DF  .~ Pair of tools cooperate to move earth to or from plant row
643  DF  .~ Spring formed tool or standard
644  DF  .~ Tools longitudinally adjustable to and from transverse alignment
645  DF  .~ Tools relatively adjustable horizontally without causing vertical displacement
646  DF  .~.~ Laterally adjustable tools, independently free to move vertically
647  DF  .~.~ Tools simultaneously adjustable about their individual, spaced vertical axes
648  DF  .~.~ Collapsible lazy tong group
649  DF  .~.~ Tool groups relatively horizontally adjustable
650  DF  .~.~.~ Also vertically adjustable
651  DF  .~.~.~ Group pivoted about vertical axis
652  DF  .~.~.~.~ V-shaped
653  DF  .~.~.~.~.~ Nested
654  DF  .~.~ Main central beam, tools laterally adjustable relative thereto
655  DF  .~.~ Tool adjustable vertically and laterally
656  DF  .~.~ Tool laterally adjustable
657  DF  .~ Relatively movable because of operation
658  DF  .~.~ With interconnecting means to prevent independent lateral movement
659  DF  .~ Adjustable about spaced horizontal axes
660  DF  .~.~ Concurrent adjustment
661  DF  .~ Vertically translatable tool
662  DF  .~ Tool movable to non-use position
663  DF  WITH ACTUATOR
664  DF  .~ For relatively movable earth engaging parts
665  DF  .~.~ Tool and runner
666  DF  .~ For adjustment about longitudinal axis
667  DF  .~ For lateral adjustment
668  DF  .~ For vertical adjustment with respect to wheeled frame
669  DF  WITH WHEEL; OR SUPPORTED ON WHEEL FRAME OR BROADLY CLAIMED IMPLEMENT
670  DF  .~ All wheels on one side of tool
671  DF  .~ Mounted on single longitudinal beam in tool path
672  DF  .~.~ Wheel secured to tool
673  DF  .~ Laterally adjustable tool
674  DF  .~ With bracket to hold tool off ground
675  DF  .~ Vertically adjustable tool
676  DF  .~ Tool follows wheel path
677  DF  WITH DRAFT DETAIL
678  DF  .~ Spring biased hitch
679  DF  .~ Adjustable
680  DF  .~.~ Vertical
681  DF  TOOL, STANDARD OR CONNECTION
682  DF  .~ Tool flexed to change contour
683  DF  .~ Latched in earth working position
684  DF  .~ Tool pivots on member when member moves
684.5  DF  .~ Frame-supported blade, scraper, or smoother drawn by vehicle
685  DF  .~ Plural tools
686  DF  .~.~ Right and left hand type
687  DF  .~.~ Longitudinally spaced rows
688  DF  .~.~.~ Staggered
689  DF  .~.~ Closed geometrically shaped frame
690  DF  .~.~ V-shaped frame
691  DF  .~.~ Mounted on transverse or oblique tool bar
692  DF  .~.~.~ Angularly adjustable bar
693  DF  .~.~.~ Oblique bar
694  DF  .~.~ Laterally spaced tools
695  DF  .~.~.~ Tools in echelon (3 or more)
696  DF  .~.~.~ Tools on opposite side of longitudinal beam
697  DF  .~.~.~ Tools in transverse alignment
698  DF  .~ Tool with laterally spaced standards
699  DF  .~ Subsoilers
700  DF  .~.~ With separate vertically spaced earth working portion attached to same standard
701  DF  .~ Ridgers
701.1  DF  .~ Tool is transversely elongated blade (e.g., bulldozer)
701.2  DF  .~.~ Having removable corner bit
701.3  DF  .~.~ Having removable cutting edge
702  DF  .~ Reversible part
703  DF  .~.~ Earth engaging means
704  DF  .~.~.~ Portion of earth engaging assembly
705  DF  .~ Spring biased or formed tool or tool part
706  DF  .~.~ Plural earth engaging parts relatively movable during operation
707  DF  .~.~ Spring formed tool or standard
708  DF  .~.~.~ With separate or rigid earth working portion
709  DF  .~.~ Laterally biased
710  DF  .~.~ Pivoted tool biased beyond pivot
711  DF  .~.~ Leaf or torsion spring
712  DF  .~ Tool assumes different position for opposite draft
713  DF  .~ Tooth
714  DF  .~ Plural earth engaging parts relatively movable because of operation
715  DF  .~.~ Rotary landslide
716  DF  .~.~ Movable moldboard for inverting furrow slice
717  DF  .~.~.~ Belt
718  DF  .~.~.~ Roller
719  DF  .~ With add-on cutting or wearing element applied directly over, or onto, the original cutting element
720  DF  .~ Subsurface blade (e.g., weeder, etc.)
721  DF  .~ Non-rectangular, symmetrical type
722  DF  .~.~ Earth breaking part and separately attached wings
723  DF  .~.~.~ Draw cut point
724  DF  .~.~.~ Wings integral
725  DF  .~.~ With separable vertical cutter on centerline
726  DF  .~.~ Having separable parts jointed at centerline
727  DF  .~.~ With attached runner or depth gauge
728  DF  .~.~.~ With additional blades attached to runner
729  DF  .~.~.~ Adjustable
730  DF  .~.~ Winged
731  DF  .~.~ Lateral extent decreases upwardly
732  DF  .~.~ Triangular blade
733  DF  .~.~ Constant height and V-shape
734  DF  .~ Adjustable
735  DF  .~.~ To present different working portion
736  DF  .~.~ Relatively adjustable earth engaging parts
737  DF  .~.~.~ Element adjusted for wear compensation
738  DF  .~.~.~ Relatively adjustable tool and runner
739  DF  .~.~ Adjustable about horizontal transverse axis
740  DF  .~.~.~ Tool adjustably connected to standard
741  DF  .~.~ Laterally adjustable
742  DF  .~.~.~ Adjustable about a vertical axis
743  DF  .~.~.~ Adjustable about a longitudinal axis
744  DF  .~.~ Vertically adjustable
745  DF  .~ Welded
746  DF  .~ With portion extended beyond landslide
747  DF  .~ Specific material
748  DF  .~ Pivoted tool
749  DF  .~ Having separable parts interconnected without detachable fastening means
750  DF  .~.~ Self-engaging snap fastener
751  DF  .~.~ Captive fastener or wedge tightened or engaged after assembly
752  DF  .~ With separable vertical planar longitudinal cutter (e.g., colter, etc.)
753  DF  .~ Interlocked or interfitted parts
754  DF  .~ Share and furrow slice inverting moldboard
755  DF  .~.~ Heating or lubricating
756  DF  .~.~ Skeleton
757  DF  .~.~ Furrow slice retainer
758  DF  .~.~ Furrow slice cutter or breaker
759  DF  .~.~ With additional element juxtaposed to moldboard
760  DF  .~.~ Specific moldboard shape
761  DF  .~.~ Serrated, toothed or notched point or share
762  DF  .~ Specific tool and standard connection
763  DF  .~ Specific standard and beam connection
764  DF  .~ With separate runner, gauge, shoe or landslide
765  DF  .~ Specific tool shape
766  DF  .~.~ Tool with parallel fingers or blades
768  DF  .~.~ Draw cut type
769  DF  .~.~ Separable parts
770  DF  .~.~ Angularly related tool surfaces
771  DF  .~.~ With curved surface
772  DF  .~ Removable tool portion (e.g., replaceable cutting or wearing element for tool)
772.5  DF  .~.~ Portion is cutting edge
773  DF  .~ Specific standard
774  DF  .~.~ With lateral offset
775  DF  .~.~ Braced
776  DF  MISCELLANEOUS (E.G., FRAMES, ETC.)
******************************
CROSS-REFERENCE ART COLLECTION
******************************
900  DF  PLANT THINNERS