MANUAL SOIL TILLAGE TOOL Russian patent published in 1997 - IPC

FIELD: manual soil tillage equipment. SUBSTANCE: tillage tool has pivot joint positioned so that its axis of rotation is oriented along longitudinal axis of rotation of handle, support, shaft rigidly fixed on support, foot rest pivotally mounted on shaft and provided with foot fastener. Foot rest is fixed at 50-100 mm height relative to upper edge of blade. Tillage tool is further provided with foot rest rotation mechanism providing altering of foot rest angle within the range of 0.25-0.7 to full revolution. Foot rest rotation mechanism has cable coiled to form loop, which embraces handle. Cable ends are secured to foot rest sides positioned at different sides of pivot joint axis. Proximate point of support base is spaced from blade by distance of 0-100 mm and remote point by distance of at least 200-3350 mm from handle and at distance of 30-50 mm above it. Support base is made convex, with curvature radius of 300-650 mm. Tip is pivotally mounted on handle, which has additional handle positioned in parallel with main handle, with space between them being equal to 50-200 mm. EFFECT: increased efficiency, simplified construction and improved quality of tilled soil. 8 cl, 2 dwg