Patent ID: 7478682

Claim:
A soil working implement adapted for being pulled behind a tow vehicle, said implement comprising a soil working part for engaging the soil, a hitch part pivotally connected to said soil working part and including a hitch adapted for connection to said tow vehicle, and extensible linkage connected to said soil working part, said extensible linkage having an extended position and a retracted position, said soil working part pivotally shiftable about said hitch part in response to the shifting of said extensible linkage between its said extended and retracted positions, said soil working part including a transverse frame member, a plurality of transversely spaced downwardly projecting scarifying teeth carried by said frame member for penetrating the soil, a plurality of transversely spaced tines carried by said frame member for engaging said soil, said hitch part including a hitch bar carrying said hitch and being pivotally connected to said frame member, said teeth located between said hitch and said tines, said extensible linkage pivotally connected at one end to said frame member and at the other end to said hitch bar, the angle of engagement of said teeth and tines with said soil being adjustable by shifting said extensible linkage between its extended and retracted positions.