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| Number | Title | Issue Date |
| 5337834 | Disk excavating and grading attachment An earth moving machine attachment is disclosed comprising a plurality of disk units mounted to a disk unit mounting beam which is fixed to a beam pushing frame for pivotally coupling to a dozer or tractor C frame. The beam pushing frame is angled obtusel... | 08/16/1994 |
| 4778013 | Plow with adjustable moldboard A frame beam supports a plurality of plow bodies, the front plow body of which has a one-piece moldboard and is pivotable about an upwardly extending axis. Part of the moldboards of each of the following plow bodies is pivotable about an upwardly extendin... | 10/18/1988 |
| 4646849 | Reversible plough having a reversing and adjustment mechanism A reversing and adjustment mechanism, especially for a reversible plough adapted for hydraulically adjustable furrow width and hydraulic reversing of the plough, wherein the reversing and adjustment mechanism comprises a hydraulic cylinder (8) with a "hyd... | 03/03/1987 |
| 4592429 | Roll-over variable width plow A two-way gang plow is provided with a pair of front steering wheels muonted for steering adjustment relative to a pivoted front axle. The steering mechanism for the wheels is coupled to a steerable tail wheel through master and slave hydraulic cylinders ... | 06/03/1986 |
| 4577698 | Variable width two-way gang plow A two-way gang plow is provided with a main support frame arranged for connection to a conventional three point hitch of a tractor. The forwardmost pair of plow bottoms are secured in fixed position on a portion of the roll-over plow frame that is fixed a... | 03/25/1986 |
| 4553609 | Gang plow of varible working width An adjustable width plow having its diagonal frame pivoted to a forecarriage unit at a point such that pivotal adjustment of the frame relative to the forecarriage results in both a variation in the cutting width and a transverse displacement in the prope... | 11/19/1985 |
| 4526237 | Multi-furrow plow assembly with adjustable plowshare mounts An agricultural implement wherein a plurality of cultivators such as plowshares are attached to mounts (7) on a frame (1) which can be adjusted for different plow strip widths by a hydraulic cylinder (15) and a parallel strut (10), the frame (1) being piv... | 07/02/1985 |
| 4415040 | Fully mounted variable width plow A fully mounted variable width plow of the roll-over type or not in which the tractor hitch links are pivoted about generally vertical axes permitting the hitch limited movement in a horizontal plane, which will allow the adjusted plow to maintain correct... | 11/15/1983 |
| 4319645 | Variable speed plow with moldboard pivoting about a forward vertical pivot axis A variable speed plow bottom has a moldboard structure (37) pivotally connected to a fixed portion which includes a frog (14) and a share (17). The pivotable moldboard structure (37) includes an arm (53) whose forward end (52) is pivotally journaled on a ... | 03/16/1982 |
| 4282935 | Multiple section, adjustable width plow An adjustable width plow having at least three aligned sections with adjacent ends of the sections joined for relative motion about horizontal axes includes a forward furrow wheel mounted to the forward end of the front plow section for caster movement, a... | 08/11/1981 |
| 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 |
| 4161986 | Plow and plow mounting bracket therefor A plow mounting bracket for variable width plows including a mounting post having a free end that extends upwardly from a hub portion and is pivotally received by the plow main frame. The plow bracket can be used for plows that are secured at selected wid... | 07/24/1979 |
| 4141419 | Method and apparatus for controlling the approach angle of a plow unit in response to speed variations A moldboard plow implement includes an elongated tool bar and several moldboard plow units, each plow unit including a plow bottom and a plow bottom support frame connected to the tool bar for pivotal movement about a pivot axis situated in vertical align... | 02/27/1979 |
| 4098346 | Steering for plow with adjustable plow bottoms A plow having a main frame beam disposed in a diagonal direction with respect to the direction of travel and having a plurality of plow bottoms equally spaced along the diagonal beam, each bottom being vertically pivotally supported on the beam. A furrow ... | 07/04/1978 |
| 4077651 | Hydraulic steering for plow A tractor-trailed plow having a steerable rear wheel is provided with a hydraulically powered steering system including master and slave cylinders arranged to steer the rear wheel in response to changes in the angular position of the plow with respect to ... | 03/07/1978 |
| 4062410 | Adjustable moldboard for variable speed plowing A plow bottom is pivotally connected to the stub beam on a substantially vertical axis and yieldable biasing devices are provided which permit the moldboard to pivot about the axis as plowing speed is increased. Both mechanical and fluid biasing devices a... | 12/13/1977 |
| 4049063 | Multi-unit adjustable plow system A plow system includes a number of individual plow units mounted on a beam which is inclined relative to the direction of travel of a traction vehicle. The units are mounted for continuous rotation about vertical axes so that they may be opened or closed ... | 09/20/1977 |
| 4036306 | Multi-unit adjustable plow pulled by vehicle and having steering wheel turnable only on adjustment of plow The plow system may carry as many as 10 or 14 individual plow units. All of the units are connected together by a tie rod and may be pivoted in unison relative to a main frame. By pivoting the units, they may be opened or closed to adjust the width of cut... | 07/19/1977 |
| 4036305 | Gang plow A plurality of plow units are mounted to a main frame of a plow system for rotation about their vertical axes. The plow units are spaced at equal lateral increments and at uniformly increased distances from a pivot connection between the main frame and a ... | 07/19/1977 |
