UNIT CONTROL METHOD AND APPARATUS Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: method involves leading soil tillage unit along base line; turning unit at the end of run; regulating advancement speed and loading. During travel of unit, working tools are moved faster relative to tractor than in advancement direction to define clearance between rear side of working tool and soil surface, with reaction force of soil being directed to frame to unload traveling part of tractor. Steering wheels of tractor are directed to furrow bottom making base line. Tractor wheels are used as markers and furrow is used as marker line. Apparatus has power and process equipment control mechanism and working tools with reciprocating drive. Share and tine of each soil tillage tool are mounted on movable shaft. EFFECT: increased efficiency, simplified construction and improved quality of tilled soil. 4 cl, 7 dwg