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| Number | Title | Issue Date |
| 7036604 | Structure for converting an integral implement to a drawn type A forward acting wheel arm for a drawn hitch includes a pivot point directly below the rear rank of the machine frame, and the wheels are rotated directly in front of the front rank during field operation. For transport, the wheels rotate below the front rank to min... | 05/02/2006 |
| 6203047 | Device for stabilizing the two lower steering arms of a tractor A device for stabilizing the two lower steering arms (1) of a tractor, with the lower steering arms (1) actuated by a hydraulically operated power lever (9). The arms are each associated with a side strut (6) with a first single-acting hydraulic cylinder ... | 03/20/2001 |
| 5581129 | Automatic MFD kickout switch The MFD kickout switch controls the drive system on a tractor's front wheels in response to the controlled movement of a three point hitch. Tractors which are equipped with a system that disengages the front drive wheels when a tighter turning radius is n... | 12/03/1996 |
| 5332046 | Agricultural machine with plow having changeable penetrating angle An agricultural machine including a fixed mast secured to a frame body so as to be projected from a front end portion of the frame body, a movable mast which is pivotably mounted to the fixed mast so as to be arcuately movable in an agricultural working d... | 07/26/1994 |
| 5232055 | Device for carrying a load Device for carrying a load behind a vehicle, comprising: a frame whereon the load is to be placed; one or more support wheels for supporting the frame; and one or more arms for causing one or more shafts of the support wheels to move between a first position wherei... | 08/03/1993 |
| 4915575 | Material handling attachment for a tractor having a multiple-point hitch assembly A material handling attachment such as a bucket or the like is pivotally secured to the three-point hitch assembly of the tractor. The hitch assembly is movable between a lower position and an upper position by means of standard equipment on the tractor. ... | 04/10/1990 |
| 4817730 | Hydraulic weight transfer system for an implement with a lift assist wheel An improved hydraulic circuit for raising and lowering a three-point hitch-mounted implement having a lift assist assembly and for selectively lowering the lower draft links of the three-point hitch to transfer implement weight to the rear wheels of the t... | 04/04/1989 |
| 4753568 | Material handling attachment for a tractor having a multiple-point hitch assembly A material handling attachment such as a bucket or the like is pivotally secured to the three-point hitch assembly of the tractor. The hitch assembly is movable between a lower position and an upper position by means of standard equipment on the tractor. ... | 06/28/1988 |
| 4746254 | Material handling attachment for a tractor having a multiple-point hitch assembly including a high-lift mechanism A material handling bucket or the like is mounted on a high-lift mechanism which is secured to the three-point hitch assembly of a tractor. The bucket is pivotally secured to the high-lift mechanism. The high-lift mechanism includes a pair of pivotal arms... | 05/24/1988 |
| 4744582 | Implement hitch linkage for front mount mowers A hitch linkage for hitching an implement to a front mount riding mower including a plurality of hitch arms detachably mounted to the lift arms of the riding mower. A cross-link is pivotally mounted between the hitch arms. The support struts of a support ... | 05/17/1988 |
| 4418759 | Soil leveling apparatus A soil leveling apparatus (10) is disclosed which includes a frame (11) having ground-engaging members (12a, 12b, 12c, 13) disposed transverse to the direction of motion, side rail members (14, 15) in which the ends of the ground-engaging members are secu... | 12/06/1983 |
| 4393942 | Vehicle-supported three-point coupling and position responsive fluid blocking device therefor The invention discloses a "three-point" coupling suitable for use both at the front and at the rear of an industrial, agricultural, public works or forestry vehicle, e.g., a tractor. To each bracket of a crossbar attached to a tractor there are pivoted on ... | 07/19/1983 |
| 4269427 | Lifting device and associated structure Removable lifting devices for tractors having horizontal front wheel axles which pivot relative to the contour of the ground, one device having tubes pivotably connected on each side of the tractor frame which rotatably and pivotably receive further tubes... | 05/26/1981 |
| 4228861 | Folding track removing implement A folding implement mountable on the three-point hitch of a tractor has a U-shaped, downwardly oriented, central member with a horizontal wing extending laterally from each side of the central member, behind the rear wheels of the tractor. Each horizontal... | 10/21/1980 |
| 4193458 | Tractor and implement and hydraulic system therefor A hydraulic system is provided for an integrally-mounted agricultural implement which permits control of the tractor three-point hitch rockshaft cylinder, upper draft link hydraulic cylinder and lift assist hydraulic cylinder through a single valve contro... | 03/18/1980 |
| 4087111 | Load transfer apparatus for use between a tractor hitched to a trailer A transfer apparatus for use between a tractor-like vehicle and a trailer-like vehicle connected by a hitch connection means. The transfer apparatus comprises a linkage member attached between the tractor and trailer with at least a portion of the linkage... | 05/02/1978 |
