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| Number | Title | Issue Date |
| 7073604 | Hydraulic holding cylinder for wing lift mechanism The transversely extending frame of a machine has a number of hingedly interconnected frame sections that may be raised and lowered by lift cylinders to convert the machine between a wide-spread working position and a folded-up transport position. Two lift cylinders... | 07/11/2006 |
| 7051663 | Pivoting planting units vertically A seeding machine comprises a main frame segment and two wing frame segments. In its working configuration the wing frame segments extends transversely. In its transport configuration the wing frame segments are folded forwardly. The wing frame segments are provided... | 05/30/2006 |
| 6558080 | Methods and compact apparatus for covering landfill An apparatus and method for covering landfill includes a deployer suspended below the bucket of a loader. A roll of film is disposed on the deployer and uncoiled to deploy a film covering on the landfill surface as the loader driven across the surface. Pe... | 05/06/2003 |
| 6305478 | Hydraulic controls for agricultural implements An agricultural implement, having ground engaging tools mounted on subframes that are movable through hydraulic actuators between raised transport and lowered working positions, is provided with a hydraulic circuit in which the actuators are connected in ... | 10/23/2001 |
| 5921325 | Low transport height stack fold implement A stack folding implement has a transverse frame that includes a center section and two opposite wing sections half as wide as the center section. Each of the wing sections is connected in a four bar linkage relationship with the center section so that as... | 07/13/1999 |
| 5839516 | Folding frame assembly for a rolling harrow implement having a transport position in which the main frame is upwardly pivoted and the wing frames are forwardly pivoted A folding frame assembly is provided for supporting soil-cultivating equipment. The folding frame supports the soil-cultivators in a working position in which each cultivator is in contact with the field surface and a transport position in which each cult... | 11/24/1998 |
| 5740870 | Agricultural implement with stacking wings An agricultural implement such as a planter has wing sections which, when folded for transport, are stacked side-by-side above a center section. Improvements include structure which reduces bending moments about the pivot connections between a guide link ... | 04/21/1998 |
| 5647440 | Forward-folding, winged, implement frame An improved frame for a drawn agricultural implement, such as a planter, includes a telescoping main frame. The main wheel set is mounted to a sliding carriage to support the central main frame, and may be moved between a forward and a rear position. As t... | 07/15/1997 |
| 5577563 | Stack-folding toolbar with floating wings A floating wing apparatus for toolbars which allows each wing to ride smoothly over terraced or rolling terrain, thereby providing a continuous, even contact between the implements carried thereon and the ground. Upper and lower pivot arms extend from the... | 11/26/1996 |
| 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 |
| 4266617 | Tractor with full-floating tool bar A tractor having a frame supported by ground-engaging drive wheels, a tool bar carried by the tractor and on which various implements may be mounted, the tool bar being universally mounted on the frame whereby the implement may be raised above or lowered ... | 05/12/1981 |
| 4126189 | Folding tool carrier A folding tool carrier to be attached to a tractor and to carry an array of cultivating tools or implements. The carrier includes three bars forming a central section and a wing section at each side of the central section. Each wing section is connected t... | 11/21/1978 |
| 4050523 | Folding wing disc harrow The invention provides a folding wing disc harrow wherein a hydraulic operating mechanism is provided for folding and unfolding the wings through an arc of more than 180° through the positive bidirectional linear movement of the plunger of a double actin... | 09/27/1977 |
