WORKING TOOL OF CULTIVATOR Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: working tool has tine and double-wedge symmetrical hoe with cutting edges extending along perimeter. Hoe is provided with openings for mounting it on tine for rotation through 90 deg and 180 deg. Length of each diagonal of double-wedge hoe is equal to hoe width. Surface of hoe has convex portion. Versions of fastening hoe on tine are recited in Specifications. EFFECT: increased efficiency, simplified construction and improved quality of soil. 6 cl, 16 dwg