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Class 172/459 - Pivotable about longitudinal axis (e.g., lateral levelling, etc.)


Subclass of Class 172 - Earth working
Definition: Apparatus comprising an earth working element which is swingable
No. of patents: 41
Last issue date: 02/06/2007


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NumberTitleIssue Date
7172033Culvert opening and cleaning apparatus
A culvert opening and cleaning apparatus which is designed to be operably mounted to an implement of heavy machinery such as a grader and is further designed to utilize the auxiliary hydraulic connection provided by the implement of heavy machinery. The culvert open...
02/06/2007
7073604Hydraulic holding cylinder for wing lift mechanism
The transversely extending frame of a machine has a number of hingedly interconnected frame sections that may be raised and lowered by lift cylinders to convert the machine between a wide-spread working position and a folded-up transport position. Two lift cylinders...
07/11/2006
7051501Agricultural bi-mower with cantilever beam suspension
A mower has a pair of cutter heads which are pivotally supported by respective cantilever beams. The cantilever beams are pivotally coupled with a hitch assembly, which in turn is coupled with a traction unit via two lower lift arms and a floatable top link. The flo...
05/30/2006
7021397Folding furrow roller for the preparation of seed beds
A folding furrow roller that facilitates planting operations and optimization of irrigation and drainage with efficient preparation, configuration, and planting of seed beds. A centrally located fixed drum roller supports a pair of hinged outboard drum roller wings ...
04/04/2006
6966388Offset hitch
A heavy gauge agricultural implement hitch is disclosed which is offset such that the implement and the tractor are not directly in line with one another, but allows the tractor to follow the previous crop rows and the implement to be offset of the previous crop row...
11/22/2005
6860335Front folding agricultural implement
A multiple section, front-folding implement has gauge wheel assemblies located on the front side of laterally extending beams of the sections during field operations. As the wing sections are folded forwardly to prepare the machine for transport, the gauge wheel ass...
03/01/2005
6684962Folding agricultural implement
A folding agricultural implement is disclosed having a frame including an inner section, a pair of intermediate sections, and a pair of end sections. The inner section and the end sections of the frame are equipped with lift wheel assemblies including a g...
02/03/2004
6675907Flexible toolbar and operating hydraulic circuit
A winged implement includes an hydraulic control circuit having two operator-controlled valves, including a work valve and a transport valve. Using only these controls, and without leaving the tractor cab, the operator can (1) fold the implement for trans...
01/13/2004
6561283Frame support for tillage implement
An implement is provided that includes a frame, a ground engaging roller mounted to the frame, and a suspension system that includes a spring for biasing the roller toward the ground, and a frame support member fixed to the frame above the roller. The fra...
05/13/2003
6378619Agricultural ground working implement with hydraulic downpressure circuit
An agricultural implement includes a frame having a pair of tool-carrying wings pivotally mounted thereon for pivotal movement between raised transport positions and lowered ground-working positions. Each wing has a hydraulic wing actuator connected there...
04/30/2002
6315055Draft cable for connecting a hitch frame to a wing section of an agricultural implement
The invention disclosed is a support for a draft cable in a multi-sectional agricultural tillage apparatus movable between an open operating position and a folded transport position. The draft cable is attached to the central frame hitch and an outer wing...
11/13/2001
6302220Agricultural ground working implement with hydraulic downpressure circuit
An agricultural implement includes a frame having a pair of tool-carrying wings pivotally mounted thereon for pivotal movement between raised transport positions and lowered ground-working positions. Each wing has a hydraulic wing actuator connected there...
10/16/2001
6021853Field finishing land plane having retractable sections for road safety during towing
A field finishing land plane has a V-shaped, horizontally oriented frame converging at a front end affixed pivotal to steerable rollers in a yoke fastened to a tow tongue. The pivotal front is housed in a protective shielding. A cross member that attaches...
02/08/2000
5794712Mobile frame
A mobile frame (10) for supporting an elongate flexible structure (11) such as a ground working tool assembly, the mobile frame (10) is foldable between a first position in which the elongate flexible structure (11) is supported in a working condition in ...
08/18/1998
5449042Rephasing controlling/controlled hydraulic cylinders in folding implement frame
The invention is directed to a foldable agricultural implement frame having a first pair of controlling/controlled lifting hydraulic cylinders for lifting and lowering the right wing section and the center section together in a level condition, and a seco...
09/12/1995
5181573Seed bed packer implement
A drawbar packer having an adjustable bias assembly which transfers implement weight between the wheels and the coil packers. Tension on extension springs is adjustable so that sufficient weight is transferred from the wheels to the coil packers such that...
01/26/1993
5094299Tool, tool assembly, and methods
Equipment for attachment to a vehicle having a three-point hitch. The disclosure discloses a novel implement, and an interface adapted to be interposed between the implement and the hitch. The implement preferably has at least two different sets of workin...
03/10/1992
5078217Reversible plow
A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...
01/07/1992
5076368Reversible plow
A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...
12/31/1991
5064000Method of and apparatus for cutting sod which rolls in a semi-flaccid sheet into sod roll
A sod cutting device having a pair of sod cutting blades offset such that their interior ends are aligned in the direction of cutting. Two strips of sod may thus be cut simultaneously with minimal waste. The two cutting blades are connected to inidividual...
11/12/1991
5024281Reversible moldboard plow
A reversible moldboard plow has a plow carrying beam swingably mounted at the rear crossbar of a frame which carries trunnion mounted cylinders connected to the beam for moving the beam, the front of the frame carrying hitch pins for connection to a tract...
06/18/1991
5000267Reversible plow
A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto...
03/19/1991
4967851Agricultural depth control system including cross plumbed series cylinders
A hydraulic control system is provided which includes a pair of transversely spaced rockshaft cylinders which are plumbed in parallel and connected to opposite ends of a rockshaft on the central portion or main frame of a wide implement such as a field cu...
11/06/1990
4953625Adjustable, pivotable blade for bulldozers and the like
The adjustable blade apparatus (10) is adapted for use with an earth moving vehicle (12). It includes a support frame (20) which is pivotable in the vertical plane relative to the vehicle (12). A blade assembly (22) is rotatably secured to a connecting fr...
09/04/1990
4903470Self-propelling harvester thresher with two-part cutting mechanism
A self-propelling harvester thresher comprises a conveyor, a two-part cutting mechanism having two cutting mechanism halves which are turnable substantially in a horizontal plane between a working position and a transporting position, elements allowing th...
02/27/1990
4798011Versatile tractor side blade mount
A tractor side blade mount includes a control member, a blade holding bracket, a blade, a joint member for mounting the blade on the blade holding bracket, and a pair of hydraulically actuated arms for independently positioning the control member and the ...
01/17/1989
4664202Folding implement frame for grain drills and the like
A pull-type folding implement, such as a grain drill, has individual and independent radial flotation for each of its drill units such that each unit can rise and fall, while remaining level, independently of the other, as well as cock and cant independen...
05/12/1987
4643358Boom mounting assembly
A mechanism for adjusting the height and level of a movable boom is disclosed. This mechanism includes a carrier member mountable for vertical pivotal movement about one end thereof, and a first actuator is provided for controlling the movement and positi...
02/17/1987
4619330Flexibility for wide swath agricultural implements
Improvements in flexibility for wide swath agricultural implements having hinged wing frame sections to enable the implement to be folded compactly for transport and also to better follow ground contours are provided by dividing at least one of the sectio...
10/28/1986
4618005Orientable ripper
An apparatus for attachment to a vehicle, preferably a bulldozer, comprises a first arm having a ripper shank extending therefrom which is pivotally attached to a second arm. A second arm is mounted to a vehicle for rotation about a horizontal axis so tha...
10/21/1986
4579178Grader attachment for tractors
A grader attachment for tractors includes a support designed to be secured to the frame of the tractor intermediate the front and rear wheels and projecting laterally from the tractor. An arm is pivotally coupled intermediate its ends to the support for s...
04/01/1986
4466491Apparatus for removing rocks and objects
Apparatus is provided for moving objects which may be partially buried. The apparatus comprises a hook-like element which may be attached to the side of a vehicle, such as a bulldozer. The hook-like element is pivotally attached so that its orientation is...
08/21/1984
4411323Grading machine
A grading machine (10) is disclosed. The grading machine (10) includes a main frame (14), a center frame (16), and a rear frame (18). A grading blade (20) is connected to the main frame (14) for pivotable motion about a vertical axis. A pair of spaced whe...
10/25/1983
4337833Tiltable box scraper for three-point attachment to a tractor
An improved tiltable box scraper for attachment to a standard three-point hitch at the rear of a farm tractor or the like. The box scraper characterized by having a single hydraulic cylinder mounted thereon for tilting the scraper in opposite directions i...
07/06/1982
4328869Implement with wing lift including toggle links and roller
An implement with a wing lift wherein the wing is displaceable from a wheel supported floating, ground working position approximately 180° to a transport position where it lies inverted on the implement. The wing lift includes a pair of toggle links with...
05/11/1982
4266617Tractor with full-floating tool bar
A tractor having a frame supported by ground-engaging drive wheels, a tool bar carried by the tractor and on which various implements may be mounted, the tool bar being universally mounted on the frame whereby the implement may be raised above or lowered ...
05/12/1981
4239251Compensating hitch
A compensating hitch adapted to be coupled between a three-point draft system at the rear end of a wheeled tractor and the front end of a trailing earthworking implement which is wheel supported rearwardly of an earthworking blade thereof; the hitch inclu...
12/16/1980
4191262Agriculture light tillage implement and tool mounting mechanism therefor
A light soil tillage implement is adapted to be drawn by a farm tractor, and is designed to perform a light tillage immediately preceeding fertilizing, planting, and/or other farming operations. The implement comprises a frame having support wheels thereo...
03/04/1980
4189009Wheel mounted earth moving scraper with pivot in center of pivot axle
A wheel mounted earth moving scraper for towing behind a tractor or the like. The scraper mounted on a wheel axle. The scraper characterized by a scraper housing attached to a pivot axle which is pivotally attached to the wheel axle for pivoting the scrap...
02/19/1980
4063597Row marker with marker arm folded by servo motor
There is presented a row marker adapted to be used with a tractor carrying seed-dispensing hoppers and having an hydraulic system and having a tool bar carried by the tractor for movement over the ground. The row marker comprises a frame for mounting on o...
12/20/1977
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