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| Number | Title | Issue Date |
| 6854526 | Walk-behind agricultural working machine A walk-behind working machine has a machine body and a wheel mounted on the machine body for undergoing rotation to move the walk-behind working machine along a ground surface. A cultivator device is mounted on the machine body for cultivating the ground. A working ... | 02/15/2005 |
| 6679339 | Implement lift and level system with a front mounted direct coupled rockshaft A rockshaft is mounted over the front rank of the implement frame and is operated by cylinders located at opposite ends of the rockshaft connected to lift arms extending radially adjacent bearing mounts. Fore-and-aft extending links aligned with the lift ... | 01/20/2004 |
| 6401832 | Agricultural implement lift wheel structure Lift wheel structure for an implement includes four bar linkage having a curved lower link connected to the frame closely adjacent a first tool-carrying rank. A caster wheel is supported at the forward end of the linkage for castering in an accommodation ... | 06/11/2002 |
| 6354383 | Attachment device for an implement An attachment device for attaching an implement to an attachment plate for a vehicle. The attachment device includes at least two sets of two or more arms, each arm having a first end and a second end, the first end of each arm being operably coupled to t... | 03/12/2002 |
| 5988293 | Gauge structure for a cylinder operated depth control A stroke limiting structure for use with a lift control system on an implement includes a reciprocating link operably connected to a hydraulic cylinder and to a lift wheel assembly on an implement frame section. The link is connected by a lost motion conn... | 11/23/1999 |
| 5810092 | Implement for improving the hygroscopic properties of soil The invention relates to an implement for treating soil and, in particular, to an implement used to improve the hygroscopic properties of the soil by making holes in it using one or more tools mounted on an irregular, variable, quadrilateral jointed struc... | 09/22/1998 |
| 5477930 | Mechanism for adjusting the height of a frame of an agricultural implement relative to a groundsurface A mechanism for adjusting the height of a frame of an agricultural implement relative to a groundsurface is described. A parallelogram frame is provided which includes a frame mounted member and a wheel mounting member parallel to the frame mounted member... | 12/26/1995 |
| 5228522 | Lift assist and cushion spring tool bar wheel for agricultural implements A agricultural implement incorporates a frame which is adapted to engage a three point hitch of a tractor. The frame employs a longitudinally extending member which is pivotally connected to a link member. A resilient yielding assembly is disposed between... | 07/20/1993 |
| 5052495 | Implement hitch A hitch for connecting a first implement to a second implement pulled behind a tractor is disclosed which has a first parallel linkage assembly with two upright members with upper and lower portions, the upper portions of the upright members being connect... | 10/01/1991 |
| 4762183 | Farming implement with adjustable earthworking tool framer The linkage mechanism between the front and the rear wheels of a farming implement includes a front and a rear arm the free ends of which suspend the respective wheels. Each arm has a transverse bracket near its other end. The bracket defines, at its free... | 08/09/1988 |
| 4726303 | Zero-till drill This invention is directed to a novel zero-till seed drill which has a shortened wheel base and can thus closely follow the contours of a field which is being seeded, is capable of being raised and lowered at the beginning and end of each pass on the fiel... | 02/23/1988 |
| 4655296 | Farming implement with wheel depth control A farming implement is disclosed having a series of wheel subassemblies supporting a towed frame. Each subassembly has a front wheel, preferably a castor wheel, and a rear wheel arrangement. According to the invention, the rear wheel arrangement is secure... | 04/07/1987 |
| 4526238 | Land leveling device A land leveling device having a frame supported on wheels for earth traversing movement forwardly thereof; a first pair of blades borne by the frame in rearwardly convergent oblique relation to each other; a second pair of blades borne by the frame rearwa... | 07/02/1985 |
| 4506609 | Trash seeder An agricultural implement for seed planting having a series of independent planter units at the rear of a frame with the planter units connected to the frame in such a manner that the press wheels of the planter units form the rear wheels of the implement... | 03/26/1985 |
| 4450918 | Discing tool positionable to be transported A discing tool is provided which includes a plurality of disc gangs connected to a movable elongated frame. The frame is supported on a number of rotatable wheel assemblies so that the disc gangs can be moved in a direction generally parallel to the longi... | 05/29/1984 |
| 4301873 | Agricultural implement having field and transport modes A tandem offset disc implement comprising a frame on wheels, a tongue pivoted at the forward end of the frame for hitching the disc to a tractor, the frame being movable up and down, forward and rearward gangs of discs on opposite sides of the frame swing... | 11/24/1981 |
| 4301872 | Plow with correlated pull bar adjustment and support wheel steering An articulated plow is provided with a laterally swingable pull bar (31) and steerable intermediate support wheels (46, 47) which are controlled by a hydraulic system providing correlated movement through parallel connected hydraulic jacks (37, 66). A lat... | 11/24/1981 |
| 4178005 | Wheel mounting assembly A wheel mounting assembly for a towed implement which permits vertical movement of a casterwheel, adjustment of the level of the implement above the terrain and also serves to return the implement to the desired height after vertical displacement thereof.... | 12/11/1979 |
| 4148266 | Seed sowing mechanism A mechanism for sowing seeds having a seed supply device which is carried by a sower frame. Front and rear wheels for supporting the frame are carried by arms pivotally coupled to the frame, which arms include lever arm appendages which are coupled togeth... | 04/10/1979 |
| 4119156 | Implement frame with caster wheel and lock therefor A latch mechanism is provided for locking the front furrow wheel of a plow when the plow frame is in its lowered plowing position. The latch mechanism is inoperative when the plow frame is raised to its transport position, thus permitting the castered fur... | 10/10/1978 |
| 4113024 | Soil cultivating implements A cultivating implement has an elongated frame portion with soil working tines rotatably mounted along the length of the frame portion. The implement is supported, at least in part, by a leading member and a rear member each of which bear on the ground in... | 09/12/1978 |
| 4083411 | Soil cultivating implements An implement has at least one group of soil working members arranged in a row that extends transverse to the direction of travel. The group of members is carried on an elongated frame portion that is connected to an overlying supporting structure by paral... | 04/11/1978 |
| 4031965 | Tillage tool wing folding kit A wing folding or lift kit adapted to be easily installed on the central frame members of foldable, multi-sectioned earthworking implements to selectively move pivotally mounted side sections or wings. A centrally mounted floating hydraulic cylinder has l... | 06/28/1977 |
| 4010900 | Mobile agricultural spray machine An agricultural spraying machine comprising an assembly having at least two moving sections resting on wheels on the soil. This assembly supports at least two spray conduits having spraying nozzles and is attached to a tractor vehicle having a powder feed... | 03/08/1977 |
| 3950110 | Non-circular compaction roller, and a mounting therefor A compaction assembly comprising a lobed roller and a draw frame; and the operation thereof. A pair of composite links interconnects the roller and frame, each being pivotally connected to the frame and comprising at least two constituent links pivotally ... | 04/13/1976 |
