WORKING BODY FOR LOOSENING SOIL Russian patent published in 2012 - IPC A01B35/22 A01B13/14 

FIELD: agriculture.

SUBSTANCE: working body comprises the lower part of bracket-like shape, which front pointed part is wider than the rear and has a conical shape. The cultivator tooth is rigidly attached to the lower point of the front part. The lateral surface of the bracket is made in the lower part half in the form of a half of a truncated cone. The centers of the lower and upper bases of the cone are shifted relative to each other. In the upper part the lateral surface of the bracket blends smoothly into the vertical plates of width equal to the width of the lateral surface of a truncated cone. The vertical plates are rigidly attached to the blades which are hinged on the rack brackets. On the ends of the blades the spherical bushings are mounted, one of which has the right and the other - the left-hand thread. In the bushings a feed screw with a feedback thread is mounted. The angle between the lateral surfaces of the vertical plates ranges from 0 to 18°.

EFFECT: invention enables to provide the required quality of crumbling soil under different operating speeds of the device movement.

5 dwg