COMBINED WORKING BODY Russian patent published in 2022 - IPC A01B35/20 A01B35/26 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. The combined working body is made in the form of a paw containing a shank (1), a nose part (2), a base (3) with symmetrical left and right wings (4) and an overlay. The base (3) of the paw is made with a flat nose (2) and grooves at the end of the wings (4) on their outer side and along the outer contour of the base (3). The inner contour of the pad is similar to the outer contour of the base (3) of the paw. Surfacing is applied along the outer contour of the lining, made parallel to the outer contour of the wings (4) of the base (3). On the inner side of the butt end of the lining there is a protrusion for the paw groove, and along the inner perimeter of the lining there is a protrusion for the base groove (3). In the fore part of the lining, surfacing is made in the form of a strip oriented along the axis of symmetry of the paw, the length of which is 60…70 mm, the width and thickness are equal to the width and thickness of the hardened layer on the wings. The lining is made of spring steel.

EFFECT: reduced time for replacement of a worn nozzle and increased wear resistance of the nozzle tip.

1 cl, 3 dwg