| Class Number |
Class Name |
No. of Patents |
| 172/315 |
Actuator on trailing implement, controlled from propelling vehicle |
14 |
| 172/316 |
Servo-motor on implement |
18 |
| 172/321 |
Actuator on vehicle for moving wheeled implement |
4 |
| 172/317 |
Actuator on vehicle for relatively moving parts of trailing implement |
2 |
| 172/318 |
Actuator on vehicle moves implement ground support vertically relative to implement frame |
6 |
| 172/319 |
Interconnected means for moving hitch |
3 |
| 172/320 |
Disk gang angling |
1 |
| 172/204 |
Alternating for right or left hand operation (other than scraper) |
6 |
| 172/224 |
Axially rotatable implement |
8 |
| 172/225 |
With actuator |
28 |
| 172/226 |
Gearing |
2 |
| 172/227 |
Chain or cable |
0 |
| 172/205 |
Draft revoluble on transverse axis |
1 |
| 172/209 |
Interrelated tool lift and shift |
1 |
| 172/211 |
Lift by ground support manipulation |
1 |
| 172/210 |
Mast type hitch |
0 |
| 172/212 |
Interrelated tool shift and ground support manipulation |
7 |
| 172/206 |
Interrelated tool shift and lateral movement of draft member |
2 |
| 172/208 |
Draft member latch control |
0 |
| 172/207 |
Draft member reversed |
0 |
| 172/232 |
Oblique axis in longitudinal vertical plane |
0 |
| 172/228 |
Parallel separate tools |
2 |
| 172/230 |
Independently operable |
2 |
| 172/231 |
Power derived from ground wheel |
0 |
| 172/229 |
Interconnected for simultaneous raising and lowering |
1 |
| 172/218 |
Shiftable moldboard |
4 |
| 172/219 |
Tool shifted for opposite throw |
28 |
| 172/223 |
Moldboard type shiftable about longitudinal axis |
1 |
| 172/221 |
Plural tools shifted about individual vertical axes |
6 |
| 172/222 |
With translational movement of axes |
1 |
| 172/220 |
Reversible disk with reversible cleaner |
1 |
| 172/213 |
Tools oriented for movement in opposite directions |
1 |
| 172/216 |
Pivoted about spaced transverse axes, or translated |
1 |
| 172/215 |
Tilting beam |
1 |
| 172/214 |
Wheeled frame with reversible draft member |
2 |
| 172/217 |
With movable deflector |
1 |
| 172/2 |
Automatic power control |
214 |
| 172/4 |
Constant depth type |
102 |
| 172/7 |
Draft responsive |
160 |
| 172/12 |
Overload lift type |
19 |
| 172/10 |
Sensitivity adjustment |
19 |
| 172/8 |
Variable rate responsive |
11 |
| 172/11 |
With excess draft release |
2 |
| 172/9 |
With manual actuator to select type of condition sensed |
52 |
| 172/4.5 |
Land leveller type |
247 |
| 172/3 |
Motive power control |
74 |
| 172/5 |
Obstruction sensing type (includes plant sensing) |
43 |
| 172/6 |
Electrical |
53 |
| 172/383 |
Axis of rotation of wheel lockable or angularly adjustable |
9 |
| 172/385 |
Adjustable stop |
5 |
| 172/386 |
Lockable against free swinging |
22 |
| 172/384 |
With actuator for tilting in a vertical plane |
1 |
| 172/438 |
Combined |
29 |
| 172/34 |
Complete apparatus adapted for use upside down |
2 |
| 172/245 |
Convertible; or changeable by disassembly or assembly |
13 |
| 172/250 |
Changeable by disassembly or assembly |
15 |
| 172/253 |
Tool added or substracted |
61 |
| 172/251 |
Tool changeable to diverse tool |
2 |
| 172/252 |
Tool plus added part forms diverse tool |
6 |
| 172/254 |
Tool rearranged on support structure |
17 |
| 172/249 |
Plural simultaneously usable tools to single tool |
4 |
| 172/247 |
To device classifiable in another class |
41 |
| 172/248 |
To different type of hitch |
58 |
| 172/246 |
To land vehicle with body |
7 |
| 172/133 |
Diverse tools |
9 |
| 172/152 |
At least four alternately diverse laterally spaced tools (a, b, a, b) |
3 |
| 172/154 |
All rolling |
2 |
| 172/153 |
Alternate rolling and non-rolling |
3 |
| 172/144 |
Colter, jointer and plow |
1 |
| 172/184 |
Diverse rolling |
24 |
| 172/187 |
Differing in size |
6 |
| 172/186 |
Plane and dished disks |
3 |
| 172/185 |
Spaced on same axis of rotation |
7 |
| 172/193 |
First tool with spaced trailing sweep |
7 |
| 172/194 |
Sweep adjustable |
9 |
| 172/167 |
Fixed point or share with rotary moldboard |
5 |
| 172/165 |
Including colter |
6 |
| 172/166 |
Rolling colter |
52 |
| 172/189 |
Including fabric or flexible tool |
6 |
| 172/192 |
Including horizontal knife or cutter |
10 |
| 172/161 |
Including implement alternating for right or left hand operation |
4 |
| 172/162 |
Reversal of implement adjusts diverse tool |
5 |
| 172/143 |
Including intermittently rolling tool |
4 |
| 172/170 |
Including smooth levelling roller |
9 |
| 172/171 |
Spaced from moldboard side of plow |
3 |
| 172/172 |
With diverse rolling tool |
6 |
| 172/173 |
With teeth |
7 |
| 172/142 |
Including spring formed tool or standard |
29 |
| 172/169 |
Including tool rotatable about vertical axis |
11 |
| 172/190 |
Including vertical, longitudinally oriented disc or blade (e.g., as stabilizer) |
11 |
| 172/191 |
Plural |
10 |
| 172/141 |
Interconnected adjustment of horizontal angle of rolling and position of diverse tool |
3 |
| 172/163 |
Jointer and plow |
2 |
| 172/164 |
Rolling jointer |
0 |
| 172/155 |
Laterally spaced like tools with intermediate diverse tool (a, b, a) |
8 |
| 172/158 |
All rolling |
6 |
| 172/160 |
Including spike tooth |
2 |
| 172/157 |
Spaced non-rolling with intermediate rolling |
4 |
| 172/159 |
Spaced right and left hand tools with intermediate symmetrical tool |
3 |
| 172/156 |
Spaced rolling with intermediate nonrolling |
30 |
| 172/201 |
Laterally spaced |
6 |
| 172/202 |
Spaced from moldboard side of plow |
7 |
| 172/203 |
Connected to moldboard or handle |
3 |
| 172/135 |
One implement surrounds another |
3 |
| 172/134 |
One located in path of implement wheel |
13 |
| 172/174 |
Rolling and non-rolling |
6 |
| 172/175 |
Following same path |
22 |
| 172/176 |
Furrowing or ridging implement followed by furrow or ridge roller |
23 |
| 172/178 |
Including disk gang |
33 |
| 172/179 |
Non-rolling tool group with laterally co-extensive rolling tool |
12 |
| 172/180 |
Rolling precedes non-rolling (same path) |
28 |
| 172/181 |
Concave furrowing disk with trailing tool |
9 |
| 172/177 |
Rolling tool has circumferentially spaced blades, tines or the like |
38 |
| 172/182 |
Laterally spaced |
12 |
| 172/183 |
With scissors or shearing action between adjacent faces |
0 |
| 172/168 |
Rotating tool with fixed moldboard |
1 |
| 172/188 |
Runner attached |
10 |
| 172/195 |
Second implement follows path of first |
13 |
| 172/199 |
Including drag, scraper or levelling blade |
35 |
| 172/200 |
Proceeded by implement of different type |
37 |
| 172/196 |
Including subsoiler |
58 |
| 172/198 |
Including teeth |
33 |
| 172/197 |
Teeth and scraper, leveller or drag |
43 |
| 172/145 |
Three or more diverse implements following same path (a, b, c, or a, b, a,) |
29 |
| 172/146 |
Four or more |
26 |
| 172/147 |
Alternately diverse (a, b, a, b) |
5 |
| 172/149 |
Including rolling tool |
28 |
| 172/151 |
Diverse rolling |
18 |
| 172/150 |
Smooth levelling roller |
8 |
| 172/148 |
Longitudinally spaced like implements with intermediate diverse implement (a, b, a) |
7 |
| 172/136 |
Tools usable alternately only |
13 |
| 172/140 |
With independent means for vertical movement |
24 |
| 172/138 |
With interconnected vertical adjustment |
8 |
| 172/139 |
Plow and colter |
6 |
| 172/137 |
With means to vary spacing of tools upon turning |
0 |
| 172/239 |
Draft, pitch or ground level responsive depth control |
26 |
| 172/23 |
Driven from or guided by stationary object, or anchored |
8 |
| 172/24 |
Around tree or stake |
2 |
| 172/26.5 |
Dragline scraper |
3 |
| 172/26.6 |
Scraper part rearranged upon reverse movement |
1 |
| 172/26 |
Guided by surface track or previously formed shoulder |
63 |
| 172/25 |
Rotatable about vertical axis |
65 |
| 172/612 |
Fabric or flexible tool |
36 |
| 172/236 |
Ground engageable draft responsive lever |
2 |
| 172/237 |
Roll over type implement |
4 |
| 172/507 |
Ground support movable horizontally |
5 |
| 172/238 |
Ground support moved vertically relative to frame by draft means |
2 |
| 172/329 |
Guided by walking attendant; supported, propelled, or held in position by attendant |
5 |
| 172/351 |
Guided or propelled by walking attendant and with ground support or draft means |
7 |
| 172/361 |
Handle connected to tool or runner |
2 |
| 172/364 |
Handle mounted tool adjusting, latching or locking mechanism |
5 |
| 172/367 |
Multiple handles connected to multiple longitudinal tool carrying beams |
0 |
| 172/363 |
Plural handles associated with relatively adjustable tools |
1 |
| 172/368 |
Plural handles connected to opposite sides of longitudinal beam |
1 |
| 172/369 |
With brace member |
1 |
| 172/365 |
Tool and handle relatively adjustable |
3 |
| 172/366 |
Vertically |
1 |
| 172/362 |
Tool standard connected to handle |
1 |
| 172/353 |
With body harness or engaging means |
2 |
| 172/352 |
With stepper propulsion means |
2 |
| 172/360 |
With wheel substitute (e.g., runner, etc.) |
5 |
| 172/354 |
With wheel |
13 |
| 172/355 |
Alternately usable tools rocked about wheel axis |
3 |
| 172/357 |
Handle forward of tool |
1 |
| 172/356 |
Plural longitudinally spaced wheels |
3 |
| 172/359 |
Tool and handle relatively vertically adjustable |
4 |
| 172/358 |
Tool forward of wheel |
6 |
| 172/371 |
Hand tool |
102 |
| 172/372 |
Adjustable |
39 |
| 172/373 |
Plural tools relatively adjustable |
12 |
| 172/374 |
At least one tool immovably secured to handle |
7 |
| 172/375 |
Alternately usable diverse tools or parts |
76 |
| 172/377 |
Channel type |
18 |
| 172/376 |
Loop type |
14 |
| 172/381 |
Non-planar earth working portion |
44 |
| 172/378 |
Plural prongs, teeth or serrations |
140 |
| 172/380 |
Made from sheet material |
33 |
| 172/379 |
Plural rows |
12 |
| 172/331 |
Hitch guided relative to supporting frame |
0 |
| 172/349 |
Rolling tool |
12 |
| 172/350 |
Handle swingably mounted on axis of tool |
9 |
| 172/332 |
Tool manipulated with respect to mounting frame |
2 |
| 172/333 |
Arched wheel frame (i.e., straddle row, etc.) |
0 |
| 172/337 |
Combined implement lift and wheel adjustment |
0 |
| 172/342 |
Cross connected drag bars |
0 |
| 172/343 |
Foot operated |
2 |
| 172/340 |
Multiple plant row type |
0 |
| 172/334 |
Seat counterbalanced beam |
0 |
| 172/338 |
Tongueless, animal draft |
0 |
| 172/339 |
With balancing means |
0 |
| 172/341 |
With added intermediate tool |
1 |
| 172/335 |
With spring biasing means |
1 |
| 172/336 |
Spring biased upwardly during operation |
0 |
| 172/344 |
With support bracket for transport |
0 |
| 172/345 |
Manipulated about longitudinal axis |
1 |
| 172/346 |
Plural tools independently or oppositely manipulable |
0 |
| 172/347 |
Spring biased |
0 |
| 172/348 |
Vertically manipulated |
2 |
| 172/370 |
With attendant attaching means |
21 |
| 172/330 |
With seat for moving hitch |
0 |
| 172/260.5 |
Having tool overload shift controlled by a fluid pressure device |
41 |
| 172/21 |
Lawn aerator or perforator, or plug remover |
143 |
| 172/22 |
Earth removing |
150 |
| 172/13 |
Lawn edger |
52 |
| 172/18 |
Impact or grapple |
5 |
| 172/15 |
Rolling or driven cutter |
90 |
| 172/16 |
With fixed cutter or furrower |
3 |
| 172/14 |
With or convertible to non-earth working implement |
28 |
| 172/17 |
With wheel or roller |
54 |
| 172/439 |
Mast type hitch (e.g., three point hitch, etc.) |
191 |
| 172/440 |
Angled gangs liftable as a unit |
3 |
| 172/441 |
Tandem gangs |
3 |
| 172/442 |
With actuator for angling groups relatively |
1 |
| 172/444 |
Hitch quadrilateral modified during lift |
9 |
| 172/445.1 |
Including blade, scraper, or smoother |
61 |
| 172/445.2 |
Angularly adjustable about vertical axis |
13 |
| 172/446 |
Laterally adjustable tool |
32 |
| 172/447 |
Rockable about vertical axis |
11 |
| 172/443 |
Struts on trailer or between implement parts |
46 |
| 172/450 |
Sway limiting means or swayable tool |
70 |
| 172/449 |
Tool movable relative to mast while earth working |
36 |
| 172/448 |
With auxiliary vertical adjustment |
39 |
| 172/445 |
With means operated by vertical hitch movement |
15 |
| 172/451 |
With tool frame or bar extending beyond sides of vehicle |
31 |
| 172/776 |
Miscellaneous (e.g., frames, etc.) |
153 |
| 172/810 |
Mounting for pushed tool at end of motor vehicle |
35 |
| 172/833 |
Tool prepares wheel path for passage of wheel |
14 |
| 172/811 |
Transversely mounted blade (e.g., bulldozer, etc.) |
55 |
| 172/818 |
Blade angle adjustable in a horizontal plane |
25 |
| 172/823 |
And tilt of blade adjustable |
9 |
| 172/819 |
Power-operated adjusting means |
13 |
| 172/822 |
And tilt of blade adjustable |
11 |
| 172/820 |
Blade angled about fixed, central, generally vertical axis |
14 |
| 172/821 |
And tilt of blade adjustable in a generally vertical plane |
44 |
| 172/816 |
Blade mounting includes resilient connection |
33 |
| 172/815 |
Contiguous, relatively adjustable blades; or blade having relatively adjustable earth-engaging parts |
63 |
| 172/813 |
Fluid line specifically arranged, or shield for system component |
10 |
| 172/824 |
Having adjustable tilt of angularly fixed blade |
21 |
| 172/825 |
About a pivot axis fixed to mounting |
18 |
| 172/826 |
Including adjustable length device between mounting means and upper corner portion of blade |
32 |
| 172/814 |
Having means controlling drive for interconnected vehicles |
4 |
| 172/827 |
Having means to prevent lateral movement of mounting or blade |
14 |
| 172/817 |
Removable attachment for general purpose vehicle |
91 |
| 172/832 |
With blade-carried ground support |
13 |
| 172/828 |
With power means for raising and lowering blade |
13 |
| 172/829 |
Including elongated flexible element (e.g., cable) connecting power means to tool or mounting means |
9 |
| 172/830 |
Power means is fluid servomotor |
12 |
| 172/831 |
Plural servomotors |
25 |
| 172/812 |
With valve or pump for hydraulic control system |
41 |
| 172/834 |
With tool-carried ground support |
10 |
| 172/382 |
Multiple level tools |
11 |
| 172/261 |
Overload shifting |
20 |
| 172/263 |
Actuator released |
7 |
| 172/264 |
Against spring return device |
24 |
| 172/265 |
Swinging about fixed pivot axis |
40 |
| 172/266 |
Including toggle linkage |
21 |
| 172/267 |
Toggle adjustable |
11 |
| 172/268 |
Toggle links at acute angle |
3 |
| 172/262 |
Alternate tool brought into operation upon shift |
1 |
| 172/271 |
Frangible lock (e.g., shear pin, etc.) |
37 |
| 172/270 |
Friction lock |
0 |
| 172/269 |
Resilient latch |
12 |
| 172/900 |
Plant thinners |
1 |
| 172/613 |
Plural relatively movable tools |
3 |
| 172/659 |
Adjustable about spaced horizontal axes |
1 |
| 172/660 |
Concurrent adjustment |
1 |
| 172/641 |
Beam spreader of the pivoted yoke type |
0 |
| 172/642 |
Pair of tools cooperate to move earth to or from plant row |
2 |
| 172/634 |
Parallel, pivotally adjusted tool bars |
6 |
| 172/639 |
Specific mounting for pivoted tool bar |
7 |
| 172/635 |
With actuator |
4 |
| 172/638 |
Gear |
0 |
| 172/637 |
Plural actuators, independently pivoted tool bars |
6 |
| 172/636 |
Tools also adjustable about vertical or longitudinal axes |
2 |
| 172/619 |
Plural tool groups relatively vertically movable because of operation |
9 |
| 172/632 |
Group movable about oblique horizontal axis |
2 |
| 172/633 |
Group pivotal about intermediate transverse axis |
7 |
| 172/623 |
Groups abreast and in tandem |
0 |
| 172/631 |
Groups movable about common longitudinal axis |
2 |
| 172/630 |
Groups pivoted to opposite sides of longitudinal draft member |
4 |
| 172/620 |
Parallel transverse tooth bars |
7 |
| 172/621 |
Spring biased bars |
9 |
| 172/622 |
With actuator to vary inclination of teeth |
9 |
| 172/624 |
Plural groups movably connected to forward transverse draft bar |
12 |
| 172/627 |
Groups also connected to one another |
1 |
| 172/626 |
Sectional draft bar |
5 |
| 172/625 |
With alternate draft means (spaced 90 degrees) |
24 |
| 172/624.5 |
With parallelogram-type linkage |
59 |
| 172/628 |
Similar groups arranged to form a triangular shape |
0 |
| 172/629 |
Three or more laterally spaced groups |
8 |
| 172/657 |
Relatively movable because of operation |
39 |
| 172/658 |
With interconnecting means to prevent independent lateral movement |
2 |
| 172/643 |
Spring formed tool or standard |
32 |
| 172/640 |
Tool group pivotally adjustable about horizontal axis |
10 |
| 172/662 |
Tool movable to non-use position |
63 |
| 172/614 |
Tool pivots on pivoted member when member moves |
2 |
| 172/615 |
Tools connected to parallel pivoted bars |
8 |
| 172/616 |
Bars pivoted about vertical axis |
2 |
| 172/617 |
Also pivoted about horizontal axis |
2 |
| 172/618 |
Tools assume different angularity for opposite draft |
6 |
| 172/644 |
Tools longitudinally adjustable to and from transverse alignment |
0 |
| 172/645 |
Tools relatively adjustable horizontally without causing vertical displacement |
7 |
| 172/648 |
Collapsible lazy tong group |
1 |
| 172/646 |
Laterally adjustable tools, independently free to move vertically |
7 |
| 172/654 |
Main central beam, tools laterally adjustable relative thereto |
4 |
| 172/655 |
Tool adjustable vertically and laterally |
4 |
| 172/649 |
Tool groups relatively horizontally adjustable |
3 |
| 172/650 |
Also vertically adjustable |
3 |
| 172/651 |
Group pivoted about vertical axis |
2 |
| 172/652 |
V-shaped |
1 |
| 172/653 |
Nested |
0 |
| 172/656 |
Tool laterally adjustable |
13 |
| 172/647 |
Tools simultaneously adjustable about their individual, spaced vertical axes |
19 |
| 172/661 |
Vertically translatable tool |
10 |
| 172/310 |
Plural wheeled implements |
43 |
| 172/312 |
Implement draft connection forwardly of rear of self-propelled vehicle |
0 |
| 172/314 |
Implements in echelon (e.g., gang plows, etc.) |
24 |
| 172/313 |
Laterally spaced with separate draft tongues |
18 |
| 172/311 |
Outrigged implement adjustable inwardly |
322 |
| 172/1 |
Processes |
101 |
| 172/256 |
Propulsion unit guided by walking attendant or part of articulated vehicle |
16 |
| 172/258 |
Endless track or single driven wheel |
5 |
| 172/257 |
Riding attendant |
5 |
| 172/260 |
With actuator for moving earth working element vertically |
6 |
| 172/259 |
With vertically adjustable wheel |
8 |
| 172/518 |
Rolling, rotating or orbitally moving tool |
27 |
| 172/527 |
Axis substantially longitudinal |
2 |
| 172/522 |
Axis substantially vertical |
7 |
| 172/523 |
With vertically extending teeth |
4 |
| 172/526 |
Plural tools |
17 |
| 172/524 |
Positioning means engaging circumference |
2 |
| 172/525 |
With weight |
1 |
| 172/533 |
Clutch between shaft and rotating element |
0 |
| 172/537 |
Corrugated surface rollers |
12 |
| 172/535 |
Detachable rim for disk |
4 |
| 172/604 |
Detailed disk structure per se |
55 |
| 172/567 |
Disk gang and single disk on diverse axes |
6 |
| 172/568 |
Disk gang with movable or removable section |
6 |
| 172/599 |
Disk gang |
14 |
| 172/601 |
Disks rotatable relative to axle |
5 |
| 172/600 |
Supported for tilting and horizontal angling adjustment |
9 |
| 172/603 |
Disk horizontally angularly changeable |
18 |
| 172/569 |
Disks pivoted on vertical axes with interconnected means for moving them indentically |
9 |
| 172/538 |
Paired press rims (e.g., planter press wheels, etc.) |
33 |
| 172/574 |
Plural disks with individual mount or axis |
51 |
| 172/575 |
Touching disks |
15 |
| 172/576 |
With interconnected means for adjusting a plurality of disks |
4 |
| 172/579 |
Plural groups of disks |
6 |
| 172/581 |
Groups changeable to different types of arrangements |
8 |
| 172/584 |
Horizontally angularly adjustable group |
9 |
| 172/595 |
Double tandem groups |
9 |
| 172/587 |
Groups laterally spaced and unaligned |
7 |
| 172/585 |
Groups of unequal length |
4 |
| 172/588 |
Hitch longitudinally movable on tongue and groups abreast |
3 |
| 172/586 |
More than two laterally positioned groups |
3 |
| 172/596 |
Tandem groups |
3 |
| 172/597 |
Toggle joint between groups |
2 |
| 172/598 |
Thrust means directly between group axles |
0 |
| 172/589 |
Turning connection offset from draft connection |
0 |
| 172/590 |
Latch responsive to tractor motion |
0 |
| 172/591 |
With manual actuator |
1 |
| 172/592 |
Concentric controls |
0 |
| 172/594 |
Double tandem groups |
1 |
| 172/593 |
Separate handles for independent gang adjustment |
0 |
| 172/580 |
Power operated actuator |
4 |
| 172/583 |
Vertically adjustable group |
16 |
| 172/582 |
With independent lateral adjustment |
5 |
| 172/577 |
Reversible group |
2 |
| 172/557 |
Rim with spokes |
4 |
| 172/532 |
Screw or spiral |
21 |
| 172/602 |
Single disk freely swayable |
6 |
| 172/539 |
Smooth roller with groove, rim or disk |
4 |
| 172/540 |
Tool has circumferentially spaced teeth, tines, blades or the like |
102 |
| 172/545 |
Blades or teeth change position relative to each other or rotating support during rotation |
14 |
| 172/546 |
With means for causing movement |
1 |
| 172/554 |
Drum with axially spaced teeth or blades |
73 |
| 172/555 |
Integral disk |
33 |
| 172/552 |
Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.) |
27 |
| 172/553 |
Toothed bar or blade |
5 |
| 172/551 |
Rolling tool spring biased into ground contact |
38 |
| 172/544 |
Spring moving or mounting means for tooth or blade |
6 |
| 172/543 |
Spring tooth or blade |
8 |
| 172/550 |
Tooth or blade adjustable on carrier |
5 |
| 172/556 |
Tooth or blade axially clamped to hub face (e.g., hoe wheel type, etc.) |
34 |
| 172/542 |
Tooth or blade on endless carrier |
1 |
| 172/548 |
Tooth or blade units on single axle |
46 |
| 172/549 |
Tooth or blade units angularly adjustable on axle |
8 |
| 172/547 |
With cleaning means |
21 |
| 172/541 |
With means for preventing ground engagement of teeth or blades |
1 |
| 172/520 |
Tools on different axes in mutual driving relationship |
15 |
| 172/534 |
Wheel or roller with peripherally spaced plant saving means |
1 |
| 172/536 |
Wheel, roller or gauge and axially adjacent tool on same axis |
21 |
| 172/558 |
With disk cleaning means |
22 |
| 172/560 |
Cleaner for pair of converging disks |
9 |
| 172/561 |
Cleaners for opposite sides of disk |
4 |
| 172/563 |
Cleaners with common operator |
1 |
| 172/564 |
Mounted on rock shaft |
0 |
| 172/565 |
Operating means moves parallel to disk gang axis |
2 |
| 172/562 |
Plural cleaners for single disk |
2 |
| 172/559 |
Rotatably mounted cleaning means |
14 |
| 172/566 |
Spring biased toward disk |
17 |
| 172/528 |
With means for stopping or retarding rotation |
1 |
| 172/529 |
Positive stop |
2 |
| 172/530 |
Wheel or motor controlled |
3 |
| 172/521 |
With power take-off from tool or wheel |
0 |
| 172/570 |
With spring means other than for detent |
9 |
| 172/572 |
Spring acts to move tool vertically |
50 |
| 172/573 |
Plural tools, individually spring urged |
24 |
| 172/571 |
Spring is for tool group horizontal angling |
0 |
| 172/578 |
With wheel (not on motor vehicle) |
3 |
| 172/531 |
Wobble discs |
4 |
| 172/519 |
Yieldable material rim (e.g., rubber, etc.) |
22 |
| 172/781 |
Scraper between front and rear ground supports of vehicle |
31 |
| 172/789 |
Actuator for bodily shifting scraper subframe draft connection |
16 |
| 172/798 |
Actuator for tilting wheel relative to vehicle frame |
1 |
| 172/790 |
Counterbalance means for scraper adjustment |
0 |
| 172/786 |
Plural scrapers |
8 |
| 172/787 |
Spaced and in same path |
13 |
| 172/788 |
Push frame for scrapers |
9 |
| 172/795 |
Specific actuator between frame and scraper |
28 |
| 172/797 |
For adjustment about longitudinal axis |
19 |
| 172/796 |
For adjustment about vertical axis |
26 |
| 172/799 |
Specific means for horizontally angling wheel relative to vehicle frame |
3 |
| 172/794 |
Spring biased into ground contact |
5 |
| 172/791 |
Three or more independently operable scraper actuators |
12 |
| 172/792 |
Scraper adjustable about vertical axis of annular support |
6 |
| 172/793 |
Actuator for laterally shifting support |
15 |
| 172/784 |
With diverse tool or portion |
24 |
| 172/785 |
Non-scraping tool precedes and spaced from scraper |
10 |
| 172/782 |
With laterally offset inclined shoulder forming tool |
10 |
| 172/783 |
With scraper attached ground support |
5 |
| 172/780 |
Scraper between widely spaced front and rear ground supports |
18 |
| 172/779 |
Scraper position automatically controlled by linkage for levelling |
8 |
| 172/777 |
Scraper supports narrow depending tool |
33 |
| 172/778 |
Tool supporting clamp means engage upper and lower edges |
4 |
| 172/293 |
Series of like elements sequentially operated by power cycle |
1 |
| 172/294 |
Sequentially operated servo-motors |
3 |
| 172/296 |
Shaft with spirally arranged projections |
0 |
| 172/295 |
Tool forward of rear of motor vehicle |
0 |
| 172/605 |
Shiftable hitch moves tool relative to frame |
18 |
| 172/19 |
Sod cutter |
85 |
| 172/20 |
With means for vertical transverse cutting while moving |
38 |
| 172/292 |
Specific propelling means |
25 |
| 172/297 |
Tool forward of rear of motor vehicle |
14 |
| 172/306 |
Connected to front axle |
6 |
| 172/307 |
Parallelogram type lift |
9 |
| 172/309 |
Pivoted on horizontal diagonal axis |
0 |
| 172/299 |
Power actuator with cut-out or lock-out means |
1 |
| 172/303 |
Power actuator with manual adjusting or supplemental manual actuating means |
0 |
| 172/304 |
Tools independently actuatable |
5 |
| 172/298 |
With ground support |
7 |
| 172/305 |
With means for moving tool laterally |
10 |
| 172/308 |
With push bar |
3 |
| 172/300 |
With rearwardly mounted tool |
2 |
| 172/301 |
Tools actuated by independent power units |
0 |
| 172/302 |
Front and rear independent |
1 |
| 172/681 |
Tool, standard or connection |
17 |
| 172/734 |
Adjustable |
10 |
| 172/739 |
Adjustable about horizontal transverse axis |
27 |
| 172/740 |
Tool adjustably connected to standard |
12 |
| 172/741 |
Laterally adjustable |
17 |
| 172/743 |
Adjustable about a longitudinal axis |
7 |
| 172/742 |
Adjustable about a vertical axis |
24 |
| 172/736 |
Relatively adjustable earth engaging parts |
15 |
| 172/737 |
Element adjusted for wear compensation |
7 |
| 172/738 |
Relatively adjustable tool and runner |
3 |
| 172/735 |
To present different working portion |
7 |
| 172/744 |
Vertically adjustable |
35 |
| 172/684.5 |
Frame-supported blade, scraper, or smoother drawn by vehicle |
116 |
| 172/749 |
Having separable parts interconnected without detachable fastening means |
16 |
| 172/751 |
Captive fastener or wedge tightened or engaged after assembly |
32 |
| 172/750 |
Self-engaging snap fastener |
16 |
| 172/753 |
Interlocked or interfitted parts |
86 |
| 172/683 |
Latched in earth working position |
14 |
| 172/721 |
Non-rectangular, symmetrical type |
21 |
| 172/733 |
Constant height and v-shape |
8 |
| 172/722 |
Earth breaking part and separately attached wings |
14 |
| 172/723 |
Draw cut point |
8 |
| 172/724 |
Wings integral |
23 |
| 172/726 |
Having separable parts jointed at centerline |
5 |
| 172/731 |
Lateral extent decreases upwardly |
7 |
| 172/732 |
Triangular blade |
9 |
| 172/730 |
Winged |
63 |
| 172/727 |
With attached runner or depth gauge |
1 |
| 172/729 |
Adjustable |
1 |
| 172/728 |
With additional blades attached to runner |
1 |
| 172/725 |
With separable vertical cutter on centerline |
7 |
| 172/748 |
Pivoted tool |
19 |
| 172/714 |
Plural earth engaging parts relatively movable because of operation |
4 |
| 172/716 |
Movable moldboard for inverting furrow slice |
2 |
| 172/717 |
Belt |
0 |
| 172/718 |
Roller |
3 |
| 172/715 |
Rotary landslide |
0 |
| 172/685 |
Plural tools |
4 |
| 172/689 |
Closed geometrically shaped frame |
4 |
| 172/694 |
Laterally spaced tools |
4 |
| 172/695 |
Tools in echelon (3 or more) |
4 |
| 172/697 |
Tools in transverse alignment |
6 |
| 172/696 |
Tools on opposite side of longitudinal beam |
4 |
| 172/687 |
Longitudinally spaced rows |
3 |
| 172/688 |
Staggered |
10 |
| 172/691 |
Mounted on transverse or oblique tool bar |
8 |
| 172/692 |
Angularly adjustable bar |
3 |
| 172/693 |
Oblique bar |
4 |
| 172/686 |
Right and left hand type |
11 |
| 172/690 |
V-shaped frame |
8 |
| 172/772 |
Removable tool portion (e.g., replaceable cutting or wearing element for tool) |
54 |
| 172/772.5 |
Portion is cutting edge |
46 |
| 172/702 |
Reversible part |
6 |
| 172/703 |
Earth engaging means |
7 |
| 172/704 |
Portion of earth engaging assembly |
13 |
| 172/701 |
Ridgers |
33 |
| 172/754 |
Share and furrow slice inverting moldboard |
6 |
| 172/758 |
Furrow slice cutter or breaker |
1 |
| 172/757 |
Furrow slice retainer |
1 |
| 172/755 |
Heating or lubricating |
3 |
| 172/761 |
Serrated, toothed or notched point or share |
0 |
| 172/756 |
Skeleton |
0 |
| 172/760 |
Specific moldboard shape |
6 |
| 172/759 |
With additional element juxtaposed to moldboard |
2 |
| 172/747 |
Specific material |
71 |
| 172/763 |
Specific standard and beam connection |
59 |
| 172/773 |
Specific standard |
22 |
| 172/775 |
Braced |
4 |
| 172/774 |
With lateral offset |
5 |
| 172/762 |
Specific tool and standard connection |
69 |
| 172/765 |
Specific tool shape |
16 |
| 172/770 |
Angularly related tool surfaces |
32 |
| 172/768 |
Draw cut type |
4 |
| 172/769 |
Separable parts |
13 |
| 172/766 |
Tool with parallel fingers or blades |
17 |
| 172/771 |
With curved surface |
30 |
| 172/705 |
Spring biased or formed tool or tool part |
75 |
| 172/709 |
Laterally biased |
12 |
| 172/711 |
Leaf or torsion spring |
28 |
| 172/710 |
Pivoted tool biased beyond pivot |
25 |
| 172/706 |
Plural earth engaging parts relatively movable during operation |
5 |
| 172/707 |
Spring formed tool or standard |
25 |
| 172/708 |
With separate or rigid earth working portion |
23 |
| 172/699 |
Subsoilers |
119 |
| 172/700 |
With separate vertically spaced earth working portion attached to same standard |
21 |
| 172/720 |
Subsurface blade (e.g., weeder, etc.) |
20 |
| 172/712 |
Tool assumes different position for opposite draft |
6 |
| 172/682 |
Tool flexed to change contour |
2 |
| 172/701.1 |
Tool is transversely elongated blade (e.g., bulldozer) |
41 |
| 172/701.2 |
Having removable corner bit |
14 |
| 172/701.3 |
Having removable cutting edge |
51 |
| 172/684 |
Tool pivots on member when member moves |
1 |
| 172/698 |
Tool with laterally spaced standards |
15 |
| 172/713 |
Tooth |
86 |
| 172/745 |
Welded |
23 |
| 172/719 |
With add-on cutting or wearing element applied directly over, or onto, the original cutting element |
78 |
| 172/746 |
With portion extended beyond landslide |
0 |
| 172/752 |
With separable vertical planar longitudinal cutter (e.g., colter, etc.) |
3 |
| 172/764 |
With separate runner, gauge, shoe or landslide |
10 |
| 172/799.5 |
Towed scraper with ground support wheels |
45 |
| 172/255 |
Turn lifts tool off or lowers tool into ground |
5 |
| 172/452 |
With actuator adapted to lift tool for transport on wheeled frame or broadly claimed implement |
41 |
| 172/453 |
Actuator electrically powered |
4 |
| 172/503 |
Actuator slidably connected to tool |
2 |
| 172/454 |
Angled gangs lifted as a unit |
8 |
| 172/455 |
Tandem gangs |
4 |
| 172/456 |
Central group liftable vertically, side groups movable inwardly |
147 |
| 172/495 |
Foot operated actuator |
1 |
| 172/496 |
With combined or optional hand actuation |
0 |
| 172/463 |
Lift actuator moves with tool or forms removable unit therewith |
9 |
| 172/501 |
Lost motion connection between actuator and tool |
40 |
| 172/502 |
Flexible connector |
14 |
| 172/494 |
Overcenter or toggle holding means |
6 |
| 172/459 |
Pivotable about longitudinal axis (e.g., lateral levelling, etc.) |
38 |
| 172/460 |
Tool independently vertically adjustable at transversely spaced points |
7 |
| 172/472 |
Plural tools simultaneously raised, individually lowered |
0 |
| 172/468 |
Plural tools, independently actuatable |
9 |
| 172/469 |
By single selectively connectable actuator |
4 |
| 172/471 |
Three or more independent actuators |
4 |
| 172/470 |
With separate actuator for concurrent lift or with interlock |
5 |
| 172/462 |
Plural tools, individually spring biased down, lifted as unit |
22 |
| 172/485 |
Power actuator with manual adjusting or supplemental manual actuating means |
4 |
| 172/487 |
Constant height depth adjustment |
1 |
| 172/486 |
Manual actuation coextensive with power |
0 |
| 172/490 |
Rotary drum actuator |
2 |
| 172/504 |
Screw actuator |
11 |
| 172/491 |
Servo-motor actuator |
10 |
| 172/464 |
Servo-motor forces tool down |
36 |
| 172/465 |
Servo-motor with follow-up control (e.g., motion responsive position control, etc.) |
3 |
| 172/488 |
Single lift actuator for plural relatively movable tools |
11 |
| 172/489 |
Tools relatively moved during lift |
3 |
| 172/506 |
Spring assisted or spring actuator |
6 |
| 172/478 |
Tool and lift actuator on opposite sides of transverse pivot axis |
13 |
| 172/505 |
Tool connected to frame by bail |
0 |
| 172/473 |
Tool differentially or sequentially lifted at longitudinally spaced points |
2 |
| 172/466 |
Tool held raised for relieving load on servo-motor |
37 |
| 172/479 |
Tool lifted forward of transverse pivot axis |
3 |
| 172/461 |
Tool lifted with respect to stationary or relatively movable cleaner |
0 |
| 172/474 |
Tool rocked about independently vertically adjustable transverse axis |
13 |
| 172/475 |
Plural longitudinally spaced actuators |
0 |
| 172/497 |
Tool spring biased during operation |
7 |
| 172/498 |
Biased to neutral position |
3 |
| 172/499 |
Spring means alternately biases tool in opposite directions |
1 |
| 172/500 |
Tool spring pressed downwardly |
24 |
| 172/482 |
Tool swings about rock shaft axis |
19 |
| 172/480 |
Tool swung about freely shiftable or delayed pivot |
0 |
| 172/483 |
Translatable tool |
19 |
| 172/484 |
By parallel links |
55 |
| 172/458 |
Vertical movement interrelated with another |
12 |
| 172/476 |
With lateral adjustment |
7 |
| 172/477 |
Tool adjustable about vertical axis |
10 |
| 172/457 |
With means to restrain lateral sway when raised |
21 |
| 172/492 |
With power take-off for actuator |
1 |
| 172/493 |
Position controlled power disengagement |
1 |
| 172/481 |
With separate latch |
22 |
| 172/467 |
With shiftable hitch causing vertical movement |
8 |
| 172/322 |
With actuator for rocking tool about wheel axis |
11 |
| 172/323 |
Unstable wheeled frame moved by actuator |
2 |
| 172/324 |
With actuator on trailing ground supported frame for moving draft means laterally or vertically |
12 |
| 172/325 |
Tool rigidly connected to tongue |
3 |
| 172/326 |
Vertically |
5 |
| 172/327 |
With vertically adjustable ground support |
13 |
| 172/328 |
Interconnected means for adjusting draft means and ground support |
39 |
| 172/663 |
With actuator |
5 |
| 172/666 |
For adjustment about longitudinal axis |
8 |
| 172/667 |
For lateral adjustment |
22 |
| 172/664 |
For relatively movable earth engaging parts |
5 |
| 172/665 |
Tool and runner |
4 |
| 172/668 |
For vertical adjustment with respect to wheeled frame |
18 |
| 172/606 |
With cleaner |
13 |
| 172/607 |
Cleaner surrounds tooth |
1 |
| 172/608 |
Clearing roller |
4 |
| 172/609 |
For plural tools |
4 |
| 172/610 |
Scraper |
23 |
| 172/677 |
With draft detail |
99 |
| 172/679 |
Adjustable |
37 |
| 172/680 |
Vertical |
31 |
| 172/678 |
Spring biased hitch |
16 |
| 172/35 |
With drive means for tool or cleaner |
4 |
| 172/41 |
Attendant supported tool |
76 |
| 172/91 |
Blade movable with respect to cyclically driven carrier |
26 |
| 172/96 |
Blade flexible or with yieldable mount on carrier |
35 |
| 172/92 |
With means for moving blade |
6 |
| 172/94 |
Blade oscillating arcuately or swivelly with respect to rotary carrier |
5 |
| 172/95 |
By cam or crank |
20 |
| 172/93 |
Rectilinearly reciprocating blade |
13 |
| 172/100 |
Blade on endless driven belt or chain |
9 |
| 172/46 |
Coaxial tools oppositely rotated |
3 |
| 172/97 |
Compound motion for tool (e.g., reciprocating and oscillating, reciprocating and rotating) |
21 |
| 172/105 |
Driven from rolling or driven ground wheel |
4 |
| 172/106 |
Belt or chain drive |
8 |
| 172/82 |
Driven tool selectively shiftable along line of travel |
3 |
| 172/83 |
Tool drive interrupted by shifting tool |
0 |
| 172/45 |
Flails |
32 |
| 172/42 |
Guided by walking attendant |
134 |
| 172/43 |
With ground support vertically adjustable relative to frame |
42 |
| 172/76 |
Implement with ground support for depth control |
6 |
| 172/79 |
Tool driven from prime mover on vehicle |
12 |
| 172/78 |
Vertically adjustable ground support |
43 |
| 172/77 |
Vertically biased implement |
1 |
| 172/75 |
Interconnected tool lift and drive control |
12 |
| 172/61 |
Intermittent drive for tool |
3 |
| 172/62 |
With spring return |
3 |
| 172/90 |
Irregular or off-center ground-engaging wheel or support |
6 |
| 172/48 |
Plural driven tools |
14 |
| 172/49 |
Contiguous cooperating or intermeshing rotary ground engaging tools |
19 |
| 172/49.5 |
Rotating about vertical axes |
135 |
| 172/50 |
Diverse tools |
5 |
| 172/51 |
All rotary |
7 |
| 172/52 |
Parallel axes |
20 |
| 172/54 |
Oscillating tool |
8 |
| 172/53 |
Rectilinearly reciprocating tool |
7 |
| 172/57 |
Laterally spaced tools |
9 |
| 172/58 |
Longitudinal axes |
6 |
| 172/60 |
Transverse axes |
32 |
| 172/59 |
Vertical axes |
68 |
| 172/55 |
Plural groups of disks |
8 |
| 172/56 |
Staggered tools |
9 |
| 172/54.5 |
Tool reciprocates or oscillates within a generally horizontal plane |
25 |
| 172/84 |
Simultaneously reciprocating and oscillating blade having elongated shank |
8 |
| 172/89 |
Means for varying contour of path of blade |
3 |
| 172/85 |
Transverse chopping type |
0 |
| 172/87 |
Means for varying contour of path of blade |
1 |
| 172/86 |
With plural cranks or cams driving each blade |
1 |
| 172/88 |
With plural cranks or cams driving each blade |
3 |
| 172/114 |
Specific propelling means |
11 |
| 172/116 |
Tool propels implement |
21 |
| 172/115 |
Tool steers implement |
2 |
| 172/44 |
Subsurface shaft or bar (e.g., rod weeder) |
19 |
| 172/36 |
Subsurface shears or nippers |
3 |
| 172/125 |
Tool drive details |
129 |
| 172/118 |
Tool driven about axis transverse to draft line |
20 |
| 172/120 |
Disk or planar cutter (e.g., saw, etc.) |
23 |
| 172/122 |
Drum with teeth or blades |
42 |
| 172/121 |
Laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.) |
10 |
| 172/123 |
Rotary driven tool |
129 |
| 172/119 |
Screw or spiral rib, blade or tooth row |
27 |
| 172/124 |
Tool driven about diagonal axis |
13 |
| 172/110 |
Tool driven about generally vertical axis (e.g., oscillating choppers, etc.) |
11 |
| 172/111 |
Rotary driven tool |
65 |
| 172/107 |
Tool driven about horizontal, longitudinal axis |
3 |
| 172/108 |
Rotary driven tool |
17 |
| 172/109 |
Adjustable tooth or blade |
2 |
| 172/117 |
Tool freely or yieldably mounted on chassis |
39 |
| 172/101 |
Tool guided for rectilinear reciprocation |
19 |
| 172/102 |
Tool moves in horizontal, transverse path |
21 |
| 172/98 |
Tool mounted for lateral shifting |
19 |
| 172/99 |
About generally vertical axis |
8 |
| 172/37 |
Tool rotated by attendant |
1 |
| 172/40 |
Vibrating tool |
133 |
| 172/39 |
With cleaner or comminutor spaced from ground surface |
12 |
| 172/112 |
With deflector or shield for thrown material |
79 |
| 172/113 |
Laterally directed outlet flow |
5 |
| 172/63 |
With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) |
30 |
| 172/66 |
Cooperating driven cleaner or comminutor and contiguous tool |
8 |
| 172/67 |
Driven comminutor at outlet of earth guide |
6 |
| 172/70 |
Fore-and-aft non-driven tool |
28 |
| 172/65 |
Interdigitating non-driven and driven tools |
3 |
| 172/64 |
Non-driven furrow opener and driven dam former |
2 |
| 172/71 |
Non-driven tool follows path of driven tool |
30 |
| 172/72 |
Leveling drag or furrow shaper |
25 |
| 172/68 |
Rolling tool |
84 |
| 172/69 |
With tool drive from rolling tool |
12 |
| 172/73 |
Staggered driven and non-driven tool (e.g., cotton chopper, etc.) |
5 |
| 172/38 |
With obstruction feeling device for moving or releasing implement |
10 |
| 172/103 |
With overload relief or clutch in drive train (e.g., overload release, etc.) |
24 |
| 172/104 |
Unidirectional clutch in drive from ground wheel |
0 |
| 172/81 |
With plant deflector or protector |
12 |
| 172/74 |
With power take-off from tool drive to adjust tool |
7 |
| 172/47 |
With specific relationship of mast-type hitch (i.e., three-point hitch) to implement |
62 |
| 172/80 |
With wheel substitute (e.g., runner, etc.) |
11 |
| 172/126 |
With earth marker |
55 |
| 172/129 |
Ground wheel operated marker control |
0 |
| 172/128 |
Marker adjusted upon raising implement |
4 |
| 172/127 |
Marker shiftable on turning |
6 |
| 172/132 |
Marker swingable about longitudinal axis to both sides |
3 |
| 172/130 |
Multiple interconnected markers |
9 |
| 172/131 |
Markers on laterally shiftable member |
3 |
| 172/240 |
With ground support engageable with ground for transport only |
32 |
| 172/241 |
Apparatus inverted to engage ground support with ground |
0 |
| 172/242 |
Implement tiltable on longitudinal axis |
0 |
| 172/244 |
Tool and ground support moved together relative to frame |
7 |
| 172/243 |
Tool changeable to or replaced by ground support |
2 |
| 172/395 |
With ground support vertically adjustable relative to frame |
35 |
| 172/400 |
Actuator and interconnected means for adjusting wheels on different axles |
16 |
| 172/405 |
One wheel translates another swings |
0 |
| 172/401 |
Three or more adjustable wheels on different axles interconnected |
13 |
| 172/402 |
With power take-off from self-adjusted wheel |
0 |
| 172/406 |
With additional actuator changing relative position of wheels |
2 |
| 172/403 |
With power take-off from wheel |
0 |
| 172/404 |
Wheel adjusted by own power |
0 |
| 172/422 |
Crank axle with angularly spaced wheel carrying arms |
1 |
| 172/414 |
Flexible or lost motion connection to actuator |
17 |
| 172/421 |
Plural ground supports vertically adjustable relative to each other and the frame |
29 |
| 172/407 |
Power operated adjustment |
12 |
| 172/413 |
Servo-motor adjusting means |
82 |
| 172/408 |
Wheel actuates its crank axle mount |
0 |
| 172/410 |
Intermittently rotatable member swingable with crank |
0 |
| 172/411 |
"constant height" depth adjustment |
3 |
| 172/412 |
Swingable arm engageable with wheel |
0 |
| 172/409 |
Wheel lockable to crank axle arm |
0 |
| 172/397 |
Tool land ground support moved together relative to frame |
13 |
| 172/398 |
Linkage to tool |
14 |
| 172/415 |
Translating motion |
6 |
| 172/416 |
One ground support translates and another swings |
0 |
| 172/417 |
Parallel links |
25 |
| 172/418 |
With actuator |
4 |
| 172/420 |
Rack and pinion or ratchet type |
0 |
| 172/419 |
Screw jack type |
1 |
| 172/396 |
Vertically adjustable or selectively lockable hitch |
6 |
| 172/423 |
With actuator |
12 |
| 172/425 |
Gearing |
3 |
| 172/428 |
Rack and pinion or ratchet type |
0 |
| 172/427 |
Screw jack type |
13 |
| 172/426 |
Worm gear |
0 |
| 172/429 |
Manually operated lever rigid with crank axle |
1 |
| 172/424 |
Spring assisted |
4 |
| 172/399 |
With power take-off from plural wheels |
0 |
| 172/508 |
With guard, shield or plant diverter |
24 |
| 172/509 |
Fender for deflected earth |
26 |
| 172/512 |
Inverted u-shape |
5 |
| 172/513 |
Laterally spaced fenders for inwardly thrown earth |
4 |
| 172/511 |
Perforated or screening type |
1 |
| 172/510 |
Rotary |
13 |
| 172/517 |
Plant deflector |
12 |
| 172/514 |
Weed turner or trash holddown |
1 |
| 172/515 |
Spring biased or spring formed |
1 |
| 172/516 |
Plural cooperating elements |
0 |
| 172/430 |
With indicating or sighting means |
77 |
| 172/27 |
With means for cutting or shredding plants without soil disturbance |
3 |
| 172/28 |
Driven |
10 |
| 172/29 |
With means for shifting surface material without soil disturbance |
15 |
| 172/31 |
Combined with rolling or vertically acting transverse cutter |
1 |
| 172/30 |
Driven shifting means |
6 |
| 172/272 |
With means to facilitate mounting of implement on motor vehicle |
210 |
| 172/274 |
Implement has ground support |
63 |
| 172/275 |
Self-coupling by horizontal movement |
54 |
| 172/273 |
Tool forward of rear of motor vehicle |
91 |
| 172/233 |
With obstruction feeler for moving or releasing implement to avoid obstruction (includes dam former) |
6 |
| 172/234 |
Relatively movable |
0 |
| 172/235 |
Latch releasing |
1 |
| 172/33 |
With power driven moldboard, conveyer or handler |
42 |
| 172/431 |
With seat or attendant's station |
7 |
| 172/436 |
Mounted on transverse member connecting plural implements |
1 |
| 172/434 |
Movable to non-use position |
2 |
| 172/435 |
Operator changes position or seat adjustable |
9 |
| 172/432 |
Plural |
1 |
| 172/433 |
Riding attachment |
7 |
| 172/32 |
With separating after earth working |
20 |
| 172/437 |
With tool sharpener |
0 |
| 172/611 |
With weight |
44 |
| 172/278 |
With wheel steering or actuator for horizontally angling wheel axis |
4 |
| 172/279 |
Implement part interconnected with motor vehicle steering means |
5 |
| 172/280 |
Implement wheel steered |
3 |
| 172/281 |
Transverse tool bar laterally shiftable |
0 |
| 172/286 |
Wheel on non-propelled device |
3 |
| 172/288 |
Plural interconnected relatively movable wheels |
2 |
| 172/289 |
Transversely aligned stub shafts |
2 |
| 172/290 |
Swinging axle |
1 |
| 172/291 |
Wheel behind tool |
5 |
| 172/287 |
Wheel interconnected with tool |
5 |
| 172/282 |
Wheel on trailing implement responds to turning movement |
7 |
| 172/283 |
Interconnected with adjustable tool |
11 |
| 172/285 |
Rear wheel turned or controlled |
9 |
| 172/284 |
With additional angular adjustment of wheel |
3 |
| 172/387 |
With wheel substitute (e.g., runner, etc.) |
12 |
| 172/394 |
Disk type tool |
5 |
| 172/392 |
Plural runner supported implements relatively movable during operation |
8 |
| 172/393 |
Spaced parallel runners with tool mounted therebetween |
20 |
| 172/391 |
Spike tooth implement |
2 |
| 172/389 |
Spring tooth implement |
1 |
| 172/390 |
Parallel pivoted tooth bars |
0 |
| 172/388 |
With wheel |
2 |
| 172/669 |
With wheel; or supported on wheel frame or broadly claimed implement |
15 |
| 172/670 |
All wheels on one side of tool |
0 |
| 172/673 |
Laterally adjustable tool |
5 |
| 172/671 |
Mounted on single longitudinal beam in tool path |
2 |
| 172/672 |
Wheel secured to tool |
4 |
| 172/676 |
Tool follows wheel path |
20 |
| 172/675 |
Vertically adjustable tool |
15 |
| 172/674 |
With bracket to hold tool off ground |
10 |
