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| Number | Title | Issue Date |
| 7024844 | Agricultural 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... | 04/11/2006 |
| 6558080 | Methods and compact apparatus for covering landfill An apparatus and method for covering landfill includes a deployer suspended below the bucket of a loader. A roll of film is disposed on the deployer and uncoiled to deploy a film covering on the landfill surface as the loader driven across the surface. Pe... | 05/06/2003 |
| 5647440 | Forward-folding, winged, implement frame An improved frame for a drawn agricultural implement, such as a planter, includes a telescoping main frame. The main wheel set is mounted to a sliding carriage to support the central main frame, and may be moved between a forward and a rear position. As t... | 07/15/1997 |
| 5335856 | Air boom sprayer trailer hitch and suspension A trailer mounted sprayer having an air boom supported from the trailer frame by a four-bar linkage movable by a hydraulic cylinder to adjust the elevation of the boom and with ground-engaging wheels rotatably attached to bell cranks mounted on the frame ... | 08/09/1994 |
| 5048274 | Apparatus and method for controlling multiple functions of an agricultural implement Apparatus for controlling multiple functions of an agricultural implement such as a baler or a harvester includes first, second and third hydraulic cylinders which are operated to control first, second and third functions, respectively, of the implement. ... | 09/17/1991 |
| 4905767 | Rock picking device A device for picking rocks from a field includes a frame which is mounted on a pair of wheels. A hitch is pivotally attached to the frame and is adapted for engagement with a conventional tractor. The offset of the hitch is adjusted by a hydraulic cylinde... | 03/06/1990 |
| 4838358 | Coupling device for connecting a wheeled field implement to a tractor A coupling device for connecting a wheeled agricultural implement having driven working members to a tractor includes a towing connection and a hydraulic motive power transfer with a hydraulic pump. The hydraulic pump is connected to the power take-off of... | 06/13/1989 |
| 4579363 | Easily releasable mounting for supporting powered equipment between a tractor and trailer A powered vacuum is mounted between a tractor carrying a rotary mower and a trailer carrying a receptacle for moving material from the mower discharge to the receptacle. A mounting frame carries a blower which may include either an internal combustion eng... | 04/01/1986 |
| 4552224 | Hitch assembly for a tandem disc implement A tandem disc implement is provided with a hitch assembly for interconnecting the implement in articulated, trailing relation with respect to a tractor. The hitch assembly includes a draw bar which is pivotally connected to the tractor and is shiftably co... | 11/12/1985 |
| 4196917 | Hydraulic lock for the swingable tongue of a towed machine A pull-type mobile harvesting machine includes a header supported on a main frame and an arch-like tongue swingably connected to the main frame and extending forward over the header for pivoting connection to a tractor. A double-acting hydraulic steering ... | 04/08/1980 |
| 4186806 | Plow system A variable width furrow-spacing plow system embodied in an implement having a laterally adjustable tractor hitch, an angularly adjustable plow-carrying main frame, and hydraulic means for correlating the lateral movement of the hitch and angular position ... | 02/05/1980 |
| 4180133 | Guidance system for towed vehicles An automatic guidance system for towed vehicles is disclosed comprising a marker, a position sensor, an electronic operational amplifier circuit, an electrical servo controlled hydraulic valve, and a hydraulically controlled swinging draw bar hitch. The p... | 12/25/1979 |
| 4009554 | Windrower having shiftable tongue pivot The rear pivot point of a swingable tongue on a towable implement can be shifted laterally with respect to the path of travel of the implement so that the latter can be offset on either side of the towing vehicle without requiring a tongue that is unduly ... | 03/01/1977 |
