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| Number | Title | Issue Date |
| RE38974 | Agricultural disc mounting system and method A disc mounting system includes the attachment of each disc to a disc gang bar via a dedicated leaf spring. Each of the leaf springs, which can be generally U shaped, are attached at a top end to the gang bar and at a lower leg to a disc spindle such that the disc i... | 02/14/2006 |
| 6789629 | Bubba drag improvements A mobile trailer having an easily raisable and lowerable ground engaging scraper/leveler planar type plate that a single user can raise and lower by a lever arm. Various spring type members allow for the plate to be easily moved upward and downward, and the plate ca... | 09/14/2004 |
| 6564728 | High clearance shank An automatic spring-reset shank for agricultural use has a high retaining force and an improved trip clearance. The field use position of the shank is defined by a saddle in the mount weldment. The raised position of the shank is defined by the upper edge... | 05/20/2003 |
| 6250397 | Spring trip standard with positive stop A spring trip standard for a tillage implement includes a coil spring freely compressed between an upper spring-abutting surface on the mounting bracket and a lower spring-abutting surface on a casting which is connected by a transverse pivot to the mount... | 06/26/2001 |
| 6158523 | Agricultural disc mounting system and method A disc mounting system includes the attachment of each disc to a disc gang bar via a dedicated leaf spring. Each of the leaf springs, which can be generally U shaped, are attached at a top end to the gang bar and at a lower leg to a disc spindle such that... | 12/12/2000 |
| 6138771 | Tine for mounting on soil-working implement A tine for mounting on an agricultural soil-working implement includes a mounting portion at the upper end of the tine for mounting the tine in cantilever manner on a frame portion of the implement. A shank portion projects downwardly from the mounting po... | 10/31/2000 |
| 5794714 | Finish dirt scraper This invention relates to a dirt leveling device adapted for towing by a tractor which is characterized by one or more chisels attached to a transverse shaft on the front of the dirt leveling device having a rotatable relationship thereto, and a dirt leve... | 08/18/1998 |
| 5595249 | Ground leveler attachment for a ground working device A ground leveler attachment for a ground working device comprises a bracket fastened to a shank supporting a ground breaking tool, a carrier arm connected to the bracket, a pair of leg supports in pivotal contact with the carrier arm, a pair of springs bi... | 01/21/1997 |
| 5566767 | Flexible tooth with interchangeable elements for a plowing apparatus A flexible tooth of a tilling device includes several flat "e" shaped blades mounted side by side, one end of the blades being attached to a cross member of the tilling implement, the other ends of the blades being attached to a downwardly extending arm t... | 10/22/1996 |
| 5133415 | Cultivator shank assembly A shank assembly for mounting on a tool bar of a farm implement includes a first upper mount section firmly clamped to a tool bar at one end thereof and fixedly attached to a second lower section at the other end thereof. A ground working tool is fixedly ... | 07/28/1992 |
| 5042590 | Tapered C-spring for a disk harrow An improved disk harrow C-spring with a tapered cross section which reduces the compressive stresses in the inside radius and improves vertical and side-to-side flexibility. The curved portion of the C-spring has a constant cross section at the top and ar... | 08/27/1991 |
| 5007187 | Snow plow arrangement for moisture retention in a field A snow plow member is attached to selected ones of the shanks of a cultivator frame by inserting the leading edges of the sweep at the lower end of the shank into slots formed on the rear surface of the snow plow member. A leading edge of the snow plow me... | 04/16/1991 |
| 5007484 | Method and apparatus for changing cultivator plow blades A soil cultivator has a new cultivator shank and a new plow blade which has a fixed lock structure. The plow blade is held to the shank by a movable snap action lock mechanism in a working end of the shank. A new method of quickly changing plow blades wit... | 04/16/1991 |
| 4834190 | Spring tine and detachably secured attachment Conventionally, a cultivator and a packer are required as well as a tine harrow in most grain farming operations. The present device consists of a small sweep of approximately two inches width that can be detachably secured to the tines of a tine harrow a... | 05/30/1989 |
| 4683958 | Cultivator shank A cultivator shank is adapted for mounting at one end on a cultivator frame and has an open C-shaped central section with its other end receiving a ground engaging tool. In between its ends, the shank tapers through a profile of changing sectional dimensi... | 08/04/1987 |
| 4534418 | Spring teeth A spring tine for an agricultural implement for soil cultivation, composed of a bent spring blade having an upper end constituting a point of fastening for releasable attachment to the implement and having a lower end, and a carrier for the attachment of ... | 08/13/1985 |
| 4530406 | Spring clamp shank assembly A cultivating tool assembly for attachment to the tool bar of a cultivator frame utilizes an upright bracket for connection to the tool bar and an arm member pivotally connected to the mounting bracket and extending substantially horizontally therebehind.... | 07/23/1985 |
| 4452320 | Adjustable Danish tine An adjustable Danish tine for a farm implement includes a notched vertical run for attachment to a tool bar by a U clamp.... | 06/05/1984 |
| 4315549 | Soil working machine with interconnected displaceable supports which maintain orientation A soil working machine comprises two interconnected soil working members. Each working member comprises a support that is preferably resilient and a lower working element. Deflection of one working member results in an opposite deflection of the other, bu... | 02/16/1982 |
| 4285404 | Soil working machine with resilient support and trailing, rigid control arm A soil working machine, such as a cultivator, has a frame beam to which a working element is connected by a support. The support is resilient or resiliently mounted and can deflect when the working element meets an obstruction, or heavy ground resistance,... | 08/25/1981 |
| 4113027 | Soil cultivating implements A cultivating implement has an elongated, rotatable cultivating member that is driven to rotate about a horizontal axis. The cultivating member has a central support that defines its axis of rotation and the support is polygonal in cross-section with tine... | 09/12/1978 |
| 4047823 | Clamping arrangement for a flexible earth-working tine A flexible earth-working tine is releasably fastened to a transverse tool bar by use of a pair of identical clamping parts, a keeper element and releasable fastening means. The clamping parts are disposed on vertically opposite sides of the tool bar and h... | 09/13/1977 |
| 3998275 | Earthworking implement and row guide apparatus An earthworking implement mounted on a three-point hitch of a draft vehicle with a hitch assembly. The hitch assembly has L-shaped members mounted in clamps secured to a main transverse beam. A plurality of parallel linkages movably connect a transverse t... | 12/21/1976 |
