Patent ID: 7159344

Claim:
In a plow assembly of the type comprising a moldboard having front and rear major faces and an elongate bottom edge, a plurality of ground engaging blades arranged in side-by-side relationship along and below said bottom edge, and means for detachably securing said ground engaging blades to said moldboard, the improvement comprising: (a) a moldboard having a plurality of elongate blade receiving slots which are arranged in-line and disposed rearward of said rear major face and which extend along said bottom edge, each said slot having an open top and open bottom defined by opposed front and rear walls and two opposed side walls, and wherein said front wall comprises a portion of said rear face immediately above said bottom edge; and (b) ground engaging blades each one of which is of generally solid rectangular configuration having front and rear blade faces and upper and lower rectangular blade portions, wherein the front face of said lower portion is forwardly offset relative to the front face of said upper rectangular portion along a front ledge, wherein the rear face of said lower rectangular portion is rearwardly offset relative to the rear face of said upper rectangular portion along a rear ledge such that said upper rectangular portion of each said ground engaging blades is received in a different one of said slots, said front ledge abuts an undersurface of said elongate bottom edge, said rear ledge abuts a bottom of said rear wall, said front and rear blade faces of said ground engaging blades are reversible, and each of said ground engaging blades is held in position by said detachable securing means.