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| Number | Title | Issue Date |
| 7178605 | Agricultural toolbar float system A ground engaging agricultural toolbar for accommodating uneven terrain. The toolbar is provided with a plurality of long arms with multiple articulations, actuated and controlled by hydraulic cylinders. The hydraulic cylinders may be actuated to fold the toolbar fo... | 02/20/2007 |
| 5346019 | Agricultural implement with common mechanism for raising/lowering and rotating a lift frame about a vertical axis An agricultural implement, such as a row crop planter, has a main carrier frame drawn by a tractor and including support wheels. Individual row units are mounted on a lift frame. The carrier frame includes a cornered lift post which is mounted for rotatio... | 09/13/1994 |
| 4898247 | Earth scraper attachment for a tractor or the like An earth scraper attachment adapted to be drawn by a farm tractor or other vehicle having a vertically adjustable three point hitch has an elongated frame with a front tongue portion connectable to the hitch with a specially designed hitch connection memb... | 02/06/1990 |
| 4650206 | Locking hitch assembly The present invention relates to a simplified tractor hitch structure for use with implements and an improved plow attachment for use in developing firelines in forest soil. The hitch allows implements to be moved between a raised transport position and a... | 03/17/1987 |
| 4484636 | Levee plow with extensible linkage A tractor-drawn levee plow having a telescoping frame pivotally supporting a pair of harrow-gangs arranged to move soil laterally toward each other to a center-line to form the levee, the frame also pivotally supporting a pair of hydraulic cylinders power... | 11/27/1984 |
| 4430022 | Underground cable installing apparatus and method utilizing a multi-positionable plow blade An underground cable installing apparatus is disclosed herein along with its method of operation. The apparatus utilizes a power driven land vehicle and an elongated cable laying plow blade supported by and for movement with the vehicle in a way which pla... | 02/07/1984 |
| 4318445 | Side shift plow assembly An implement side shift assembly is disclosed for laterally shifting an earth-working implement relative to a tractor or the like. The side shift assembly includes a frame assembly having laterally extending upper and lower slide rails. An implement suppo... | 03/09/1982 |
| 4119157 | Control for cable plows and the like A control mechanism for adjusting the angle and lateral position of a plow blade, which is particularly useful for laying cable, pipe and the like underground. The disclosed control mechanism includes a fixed frame, which is supported on a suitable vehicl... | 10/10/1978 |
| 4102403 | Apparatus for making a slit trench A crawler tractor is connected to a cable, pipe and line laying machine with a hitch assembly. The hitch assembly has a transverse drawbar secured to forwardly directed side members. The side members being pivotally mounted to the side frames of the tract... | 07/25/1978 |
| 4066374 | Trench compactor A vibratory sheepsfoot is attached to a coupling assembly that is mounted on a hydraulically operated tool bar on the back of a tractor. The coupling assembly is designed to permit adjustability of the vibratory sheepsfoot in a vertical direction. The cou... | 01/03/1978 |
