DISC TILLER Russian patent published in 2008 - IPC A01B49/02 A01B21/08 

FIELD: agriculture.

SUBSTANCE: aggregate comprises a hitch tongue connected by hinges to a frame consisting of central and hinge-connected side sections, transport wheels with hydraulic lift and sink cylinders, two-row strip rollers and folding mechanisms for the frame side sections. The hitch tongue is connected to the frame lowering unit and can be rotated by the hydraulic cylinder mounted on the frame and connected by a rod to a groove on the bracket of the hitch tongue. Two rows of concave discs are mounted on the frame. Each disc is set on a separate pole and is spring-loaded relative to the frame. Each concave disc pole is connected to the bracket by a horizontal hinge. The bracket is fitted with a square shank set into the corresponding staple on the frame. Strips of the two-row rollers are wound in the opposite directions in the first and second rows. The central part is equipped with two carrier wheels with depth adjusting mechanisms and the side sections is fitted with one carrier wheel each. The transport wheels are fixed coaxially on the central frame part between the second row of the concave discs and strip rollers.

EFFECT: improving quality of tillage, decreasing quantity of metal required for the device and facilitating the aggregate maintenance.

5 dwg