WORKING TOOL OF SOIL RIPPER Russian patent published in 1997 - IPC

FIELD: agricultural engineering, in particular, tillage tools for soil ripping without disturbing surface structure. SUBSTANCE: ripper has tine inclined relative to direction of advancement of tillage machine and provided with blade fixed on front part, chisel fixed on lower part of tine and ripping member positioned behind tine. Ripping member is made in the form of conical ring with cutting edge on portion having maximum diameter and directed toward tine. Ring is connected by radial members to pivot joint, which is positioned on lower part of tine and formed as pair of horizontal and vertical forks joined along respective shafts and supporting platforms on lower part of tine. EFFECT: increased efficiency, simplified construction and improved quality of tilled soil. 7 cl, 4 dwg