TILLAGE DISC SECTION Russian patent published in 2018 - IPC A01B21/08 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to agricultural machine building, particularly to tillage tools. Tillage disc section contains a bearing assembly with a stand fixed to its body, a shaft on which spherical disks are mounted on different sides of the bearing assembly. Spherical disk of larger diameter contains a cutout for forming a bridge in the furrow and is set by the concavity of the sphere to the bearing assembly. On the other side of the bearing assembly there are one or two spherical discs facing the bearing assembly facing the ball bearing a diameter of at least 50 mm (by 50…110 mm) is smaller than the diameter of the disc with a cutout. Spherical disk with a smaller diameter can be installed between the cutout disc and the bearing assembly.

EFFECT: prevention of surface runoff and soil erosion on slopes and increase of its moisture supply.

1 cl, 2 dwg