WORKING TOOL OF CULTIVATOR Russian patent published in 1997 - IPC

FIELD: agricultural engineering, in particular, surface tillage tool. SUBSTANCE: working tool has chisel-shaped tine with rod-like point and A-hoe. One end of point is sharpened and other end is provided with guide. Point is positioned in stepped-diameter inclined opening on lower portion within tine and pointed end may be extended in the direction of tine nose. Axis of opening is aligned with tine nose. Spacer washers are mounted within cavity of stepped-diameter opening on point or outside point in axial alignment with geometrical axis of point. Position of point and spacer washers within tine is fixed by cylindrical pin, whose axis is perpendicular to axis of point and side facet of chisel-shaped tine. Pin receiving opening is made on tine above A-hoe. EFFECT: increased efficiency, simplified construction, enhanced reliability in operation and improved quality of soil. 2 cl, 4 dwg