SOIL-CULTIVATING DEVICE Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: for reducing the forces of resistance by setting the share into additional horizontal vibratory motion and for undercutting soil from the unplowed side, the device comprises frame, share with bars and its crank mechanism which puts it in vertical vibratory motion, frame-mounted horizontal vibration mechanism, and undercutting knife in the form of disc segment with ellipsoidal cutting edge. EFFECT: improved design. 3 dwg