FIELD: agricultural engineering. SUBSTANCE: controllable parameter is shape of the working tool. As the environment responses and surface relief are changed, first changed is the working tool shape, then the forces controlling the implement. In reverse change, part of the energy controlling the working tool shape and position is utilized. The working tool is a flexible cone mounted on a swivel beam of the implement. The drive of the working tools has a reverse switch and means for collection of the material on the swivel beam. EFFECT: lower consumption of energy. 2 cl, 7 dwg
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