Cultivator disk shield assembly

Claim 1

In a cultivator having a rigid transverse frame member adapted to be connected to a towing vehicle, a linkage connected to said transverse frame member, said linkage comprising first and second generally vertically spaced interconnected arms vertically moveable relative to said frame member, a generally horizontally disposed rig bar assembly connected to said rig bar assembly is vertically moveable relative to said frame member, and a pair of cultivating tools connected to said rig bar assembly, the improvement being a rolling disk shield assembly on said cultivator comprising: first and second pivot support means connected to said rig bar assembly and extending outward toward opposite side thereof, a lever independently, pivotally connected to and depending from each said pivot support means for free vertical movement relative to said rig bar assembly, a single, shielding disk rotatably mounted on each of said levers so as to be independently, vertically moveable relative to said rig bar assembly, said disks being positioned respectively on opposite sides of said rig bar assembly adjacent to respective said cultivating tools with a portion of said disks trailing said tools, said disks having concave sides facing said tools, and means for adjusting the lateral positions of said disks relative to said rig bar assembly, whereby when the cultivator is pulled down a plurality of adjacent plant rows, there is no tangible structure other than said frame member above the respective plant row located laterally adjacent each of said disks.