Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7188680 | Hydraulically adjustable hinged hitch An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj... | 03/13/2007 |
| 6860334 | Walk-behind tiller A walk-behind tiller has a body and a pair of wheels mounted on the body for undergoing rotation to cause the walk-behind tiller to undergo travelling along a ground surface. A tilling device is mounted on the body for undergoing a first movement operation in which ... | 03/01/2005 |
| 5890546 | Tractor drawn scraper with folding wings A tractor drawn scraper apparatus with folding wings includes a main frame with a main blade assembly depending therefrom and wing frames with wing blade assemblies depending therefrom. The wing frames are pivotally connected to laterally opposite ends of... | 04/06/1999 |
| 5573072 | Operating position adjustment levers for cultivator tools An apparatus for adjusting the operating position of a cultivator tool includes a tool bar with a frame secured thereto, a tool arm pivotally mounting the cultivator tool on the frame, a bracket having a plurality of holes therein mounted on the frame, an... | 11/12/1996 |
| 5427184 | Crank adjusted depth control for an implement A depth control includes an actuator tube connected for movement with the rockshaft and having a threaded crank supported on the forward end of the tube. A valve operator bracket is slidably and nonrotatably received over the tube and includes a threaded ... | 06/27/1995 |
| 5398768 | Aerator An aerator includes a frame supported on a pair of forward drive wheels and a pair of rearward caster wheels. An aerator head is mounted on a pivot frame on the forward end of the aerator frame, pivotable to move the aerator head from a disengaged positio... | 03/21/1995 |
| 4871030 | Farm implement having transport wheels and soil working rollers on rotating frame The farm implement drawbar is provided with a transverse frame which is pivotally mounted at the rear of the drawbar for movement between a working position and a transport position. The ground engaging rollers are mounted on the frame while separate tran... | 10/03/1989 |
| 4699219 | Cultivator drag bar and mounting therefor The support wheels and drag stake of a motor driven cultivating device are connected to the main frame of the device by independent mounting brackets at a location rearward of the tines. The support wheels and drag bar are interconnected by a sliding coll... | 10/13/1987 |
| 4311104 | Press grain drill A press grain drill includes a plurality of opener units mounted on an elongated tow tube and including a plurality of elongated, pivotably coupled elements forming a pair of parallelograms which support a self-penetrating shovel and a press wheel respect... | 01/19/1982 |
| 4269273 | Land surfacing apparatus Land surfacing apparatus, comprising an elongate blade and a towing structure which includes a tow connection portion forward of the blade and which is connected to the blade so that the blade can be towed with its longitudinal dimension transverse to the... | 05/26/1981 |
| 4117893 | Agricultural 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 |
