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Class 172/421 - Plural ground supports vertically adjustable relative to each other and the frame


Subclass of Class 172 - Earth working
Definition: Apparatus comprising a plurality of ground supports vertically
No. of patents: 29
Last issue date: 08/17/1993


NumberTitleIssue Date
5235922Planter with equalizer between gauge wheels
For multi-row planting a seed planter having furrow-opening discs and associated gauge wheels the independent support arms of which are operatively interconnected by an equalizer arm whereby the combined load carried by the gauge wheels is distributed sub...
08/17/1993
5000268Lifting assembly for agricultural implements
An auxiliary support for permitting longitudinal travel of transversely elongated agricultural implements comprises a pivoted lifting frame adapted to extend outwardly and downwardly to elevationally raise the implement framework at one side. The outer en...
03/19/1991
4726303Zero-till drill
This invention is directed to a novel zero-till seed drill which has a shortened wheel base and can thus closely follow the contours of a field which is being seeded, is capable of being raised and lowered at the beginning and end of each pass on the fiel...
02/23/1988
4594951Regularizing device for the depth of a furrow
The device is mounted on a seeder provided with a hopper, with a seed distributor and with a plowshare or work disk. It comprises two lateral gauge wheels mounted on two bearings borne by two arms pivotably articulated around an axis on the chassis of the...
06/17/1986
4558746Lawn working implement
A lawn working implement having rigid teeth which is towed behind a small tractor or other such apparatus to thatch, sow or work a lawn. The implement is compact and highly maneuverable, yet applies pressure to its rigid tines to work the lawn effectively...
12/17/1985
4526238Land leveling device
A land leveling device having a frame supported on wheels for earth traversing movement forwardly thereof; a first pair of blades borne by the frame in rearwardly convergent oblique relation to each other; a second pair of blades borne by the frame rearwa...
07/02/1985
4520877Row cultivator with structure to inhibit bowing of its frame end to end
A cultivator designed to dig up weeds from between rows of crop. The structure of the cultivator is unified with a laterally extended front bar that carries digging tines that dig up weeds along each side of the row of crop of a number of rows at one time...
06/04/1985
4420167Assembly for stabilizing a vehicle chassis
The present invention is directed to an assembly for stabilizing a vehicle supported on at least three pairs of wheels or tracks, wherein various pairs of wheels are selectively connected to one another in bogie style so as to reduce tipping movement of t...
12/13/1983
4413685Planter implement with adjusting position-display apparatus and system thereof
An apparatus is provided for remote selective operator adjustment and display of the position of adjustment of a plurality of ground-supported planting units of a planter. The apparatus includes a planter gauge wheel on each unit adjustably mounted theret...
11/08/1983
4356780Equalized furrow forming apparatus for a seed planter
An apparatus to be towed that includes a frame supported, rotatably mounted, pair of furrow forming disks that are arranged to substantially contact each other at the approximate point of entry into the soil and diverge apart rearwardly and upwardly, a pa...
11/02/1982
4317489Ground-working implement and lift linkage therefor
A drawn moldboard plow includes a lift linkage for the rear furrow and ground wheels which improves ground penetration by causing the plow frame to roll as it is lowered so the share points contact the soil first. A hydraulic cylinder contained within a p...
03/02/1982
4301872Plow with correlated pull bar adjustment and support wheel steering
An articulated plow is provided with a laterally swingable pull bar (31) and steerable intermediate support wheels (46, 47) which are controlled by a hydraulic system providing correlated movement through parallel connected hydraulic jacks (37, 66). A lat...
11/24/1981
4286672Rearwardly folding agricultural implement with extendable transport wheels
An implement that includes a central subframe, a center frame, a pair of wing frames pivotally connected to the ends of the center frame for movement between a transversely aligned operating position and a rearwardly folded transport position, and a set o...
09/01/1981
4253528Pivoting dual land wheel for a plow
A land wheel assembly including dual wheels pivotally mounted on a vertically positionable arm of an implement such as a plow. When the arm is lowered and the plow is in the transport position the wheels can rock in a castering fashion about a pivotal axi...
03/03/1981
4217962Hydraulically operated grade scraper
A soil ripping tooth assembly is pivotally mounted for vertical movement within a horizontally disposed downwardly and forwardly open box frame having a drawbar and drawn by a prime mover having a hydraulic fluid supply system. A scraping blade is connect...
08/19/1980
4150725Implement with compensation for terrain irregularities
An agricultural implement such as a disc or treader is provided with a counterpoise connection between the frame of the implement and the tongue for holding the tongue in a normal operative position. The counterpoise employs a spring-loaded compensator li...
04/24/1979
4139065Transport wheel assembly for implements
This invention relates to a transport wheel assembly for a tillage type agricultural implement having at least two pairs of ground support wheels mounted on the frame section of the implement. Each wheel of the pair is journaled in a separate axle mounted...
02/13/1979
4131162Earth working apparatus
An earth working apparatus comprising a main frame having a hitch for detachably connecting the apparatus to a prime mover, a first ground working implement mounted on the main frame, a pair of support arms operatively connected at forwardly disposed ends...
12/26/1978
4117893Agricultural tool bar
An agricultural tool bar includes a main frame adapted to be drawn by a traction vehicle. First and second tool support beams are pivotally mounted to the main frame. The tool support beams are adapted for movement between a use position and a road travel...
10/03/1978
4106568Chisel plow with adjustable towing tongue and gauge wheels
A plow for chiselling the earth at substantial depths, including a framework having a plurality of arcuate chisel blades mounted thereon. A towing tongue is pivotally connected to the forward side of the framework, and a hydraulic piston and cylinder syst...
08/15/1978
4098348Disc harrow with support wheels having interconnected separate mounting mechanisms
A disc harrow having a pair of spaced support wheels each having its own operating mechanism including a hydraulic actuator for raising and lowering the respective wheel, but wherein the mechanisms are mechanically linked together to ensure substantially ...
07/04/1978
4095653Soil cultivating implements
An implement has a frame including beams assembled end to end in the shape of a W with deep tillage members depending from each beam. A towing hitch is connected to the middle of the assembly so that during operation, the beams are inclined with respect t...
06/20/1978
4093248Pivotal implement
A pivotal implement, such as a pivotal plow includes an implement frame having an axle extending longitudinally in the direction of travel which is pivotally supported on an undercarriage for movement relative thereto about its axle. The undercarriage inc...
06/06/1978
4058068Soil cultivating and sowing implement
A cultivator or rotary harrow has soil working members rotatable about upwardly extending shafts journalled in a frame portion that extends transverse to the direction of travel. The front of the frame is supported by a coupling attached to a prime mover ...
11/15/1977
4057111Soil cultivating machines
A soil cultivating machine has a row of driven rotatable soil working members and a tool bar at the rear thereof to which tools, such as seed drills can be attached. The machine is connectable to a tractor lift and the members are driven via a p.t.o. At l...
11/08/1977
4055222Earth moving implement with adjustable wheel assembly
The implement includes a bucket having a lower scraping blade. A pair of laterally spaced ground-engaging wheels are pivotally supported on the rear of the bucket and may be swung upwardly and downwardly in unison to change the elevation of the bucket. On...
10/25/1977
3983943Soil cultivating implement combinations
A combination implement has a leading cultivator with fixed tines and a rear rotary harrow with driven soil working tined members. The cultivator has side ground wheels with vertical adjusting means that controls the working depths of the fixed tines. The...
10/05/1976
3965989Flexible plow
A large moldboard plow utilizing a multi-piece backbone or main frame connected by a hinge or hinges and a floatation land wheel or wheels. The hinge or hinges being arranged such that a uniform interval is maintained between the last plow bottom on the f...
06/29/1976
3951213Rotary harrows
A harrow has side-by-side rotary soil working members mounted on upright shafts which are journalled in a frame portion that extends transverse to the direction of travel. Supporting members are pivoted to the harrow's frame in front of the soil working m...
04/20/1976
 
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