CULTIVATOR Russian patent published in 2019 - IPC A01B35/00 

FIELD: agriculture; machine building.

SUBSTANCE: invention can be used for surface treatment of soil. Cultivator contains a welded frame resting on an axle with wheels, on which working elements are installed. In the rear part of the welded frame there is an additional L-shaped post, on which a skating roller connected to it by means of a rod is mounted. Adjusting spring is connected to the rod and the welded frame and includes an adjusting screw and a nut. Spring pins are installed in lower part of L-shaped rack. In its upper part there is spring for adjustment of spring pins, limiting circuit connected to L-shaped rack and rod, stop, which by one end is rigidly fixed to horizontal part of L-shaped rack, and other rests against its vertical part.

EFFECT: destruction of soil lumps, compaction of upper soil layer, acceleration of heat ingress into soil.

1 cl, 2 dwg