ROOT EXTRACTION AND SOIL CULTIVATION APPARATUS Russian patent published in 1997 - IPC

FIELD: agricultural production. SUBSTANCE: apparatus has triangular frame 9 with mellowing and deformable parts of working tool 2, which is formed as spiral with sharpened coil ends, drive 11 with toothed gear providing for rotation of working tool 2, discharge spiral-conical drum, within which at least one auxiliary spiral 5 of smaller diameter is mounted. Frame has eccentric casing 3 formed as tubular cylinder with parallel bases inclined to axial line. End of separating part of working tool is fixed on front side of casing 3 and smaller base of discharge drum is attached to rear side of casing 3. Spirals 4 and 5 of discharge drum are interconnected at drum bases. Toothed gear has central toothed wheel 7 engageable with three supporting toothed wheels 8 positioned on apexes of frame 9 in equally spaced relation about central wheel 7. L-shaped clip 10 is mounted in upper part of frame 9 and control handle 12 is fixed on front end of L-shaped clip 10. Shank 6 of discharge drum is mounted on lower end of L-shaped clip 10 through bearing 13. Supports 14 are positioned at sides of frame 9 adjacent to frame base. Supporting wheels 15 are mounted on supports 14 so that they may be fixed in predetermined positions. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 3 cl, 10 dwg