DISC HARROW Russian patent published in 2021 - IPC A01B19/00 

FIELD: agricultural machinery.

SUBSTANCE: invention relates to agricultural machinery, in particular to disk tillage tools. The disc harrow contains a trailer, a chassis and a frame on which beams with disc batteries are pivotally fixed. Each disk battery through bearing assemblies is mounted on at least two racks, the upper end of which is fixed to the beam. At the same time, an additional beam is installed parallel to the main beam, connected to the main beam with ties and constituting a single whole with the main beam. The upper part of the rack is shaped like, embracing an additional beam on one side, on the other side, the additional beam is closed with a figured cover rigidly connected to the figured part of the rack, and elastomers are located in the corners of the formed quadrangle. In this case, the axis of rotation of the disk battery is deviated from the axis of rotation of the rack backward in the direction of movement of the disk harrow at an angle of 30±10° from the vertical.

EFFECT: improves the reliability of the disc harrow.

2 cl, 2 dwg