QUICK-DETACHABLE FASTENING OF TILLAGE WORKING BODY Russian patent published in 2022 - IPC A01B61/04 A01B35/20 A01B13/08 

FIELD: agriculture.

SUBSTANCE: quick-detachable fastening of a tillage working body contains a loosening arm on a vertical rack attached by a lower mounting part having a vertical curved central protrusion to a frame beam of the machine, held on the frame beam by a counter upper clamping part. On the one side, parts are connected through coaxial holes with bolts, and on the other side, they are connected through centered holes with a shear pin. The vertical curved central protrusion of the lower mounting part has a cylindrical hole and a rectangular central groove. The upper clamping part consists of parts connected into a detachable assembly, having fork protrusions with holes held in a fixed connection by two – cylindrical and rectangular ones – pins or in a movable connection by one cylindrical pin. A rectangular-shaped pin having faces beveled at an acute angle on one side and a pad on the other side is a barb for forming a centered hole for the installation of a shear pin.

EFFECT: increase in the functionality of tillage machines is provided.

1 cl, 7 dwg