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US 4,231,305 AGranted
Soil cultivating machine
OwnerCornelis van der Lelyinventor
Life of this patent
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OwnerCornelis van der Lelyinventor
Estimating the term…
A cultivating machine includes a forward row of subsoil tools and a plurality of elongated cultivating rollers having support plates to which soil penetrating T-section bars or knife edged bars are attached. To the rear of the cultivating rollers, a trailing roller is mounted on the frame and adjusting arms to the roller can be interconnected with the frame to raise or lower same and thereby set the soil working levels of the subsoil. Each cultivating roller can have its soil penetrating depth controlled through pivot arm connections that move the roller through an arc centered on the pivot axes which extend transverse to the direction of machine travel. The machine frame has a coupling that is connectable to the lifting hitch of a tractor and tanks of liquid soil treating material are mounted on the tractor adjacent the coupling. Spraying booms between the rollers and at the rear of the tools are in communication with the tanks and seed drills at the rear of the rollers enable cultivation, soil treatment and planting to be done in one pass. The cultivating rollers ensure that the material sprayed is thoroughly mixed with worked soil and vegetation cut by the rollers.
A soil cultivating machine comprising a frame and soil penetrating tools being supported on the frame, spraying means mounted on said frame and positioned to the rear of said tools, a plurality of soil cultivating rollers journalled on the frame and at least one of said rollers comprising soil penetrating means, said one roller being located behind said spraying means, whereby material can be sprayed in advance of the roller and mixed into the soil with vegetation cut by the soil penetrating means, said spraying means comprising spaced apart spraying booms with valve means and said booms being operatable independently of one another, one spraying boom with rearwardly directed spraying nozzles being located in advance of said roller and seed drills being mounted behind that roller, said roller having a plurality of support plates and a periphery of elongate members, each tool being a tine pivotably connected to the frame adjacent the end of a substantially rectangular upper portion of the tine, a shear pin interconnecting said upper portion to the frame to prevent pivotal movement of the tine during normal operation, and said upper portion extending upwardly and forwardly at about 45.degree. to the vertical.
A soil cultivating machine comprising a frame and soil penetrating tools being supported on the frame, spraying means mounted on said frame and positioned to the rear of said tools, a plurality of soil cultivating rollers journalled on the frame and at least one of said rollers comprising soil penetrating means, said one roller being located behind said spraying means, whereby material can be sprayed in advance of the roller and mixed into the soil with vegetation cut by the soil penetrating means, said spraying means comprising spaced apart spraying booms with valve means and said booms being operatable independently of one another, one spraying boom with rearwardly directed spraying nozzles being located in advance of said roller and seed drills being mounted behind that roller, said roller having a plurality of support plates and a periphery of elongate members, each tool being a tine pivotally connected to the frame adjacent the end of a substantially rectangular upper portion of the tine, a shear pin interconnecting said upper portion to the frame to prevent pivotal movement of the tine during normal operation, and said shear pin being located above the upper edge of the tine.
Dependencies are inferred from the claim text.