TILLER ROTAVATOR Russian patent published in 2001 - IPC

FIELD: agricultural engineering. SUBSTANCE: tillage rotavator has carrier frame, hitching device, drive reducer, flat hoes, rotor unit including set of paired drums with cutters and leveler with pressure device. Cutters are attached to drums for rotation around horizontal and vertical axes of attachment of cutters. Each cutter is made in the form of tetrahedron, such as three-surfaced wedge with surface curvature radius equal to base side length and height equal to fourfold value of base side. EFFECT: simplified construction and improved quality of soil tillage during rotavation. 12 dwg