WORKING BODY OF TOOL FOR SURFACE TILLAGE Russian patent published in 2015 - IPC A01B23/06 A01B35/16 A01B39/08 

FIELD: agriculture.

SUBSTANCE: working body comprises disc blocks with knives mounted by the leashes. The discs consist of the hub and the rim which width is equal to the width of the hub. The knives are made on the rim, mounted at an angle of 30…40° to the direction of movement, equal to the angle of friction of the soil sliding on the working surface of the knife. The knives have a height equal to the desired depth of tillage. The front wall of the knife is mounted radially to the surface of the rim, and the rear wall of the knife is provided at a cutting-point angle equal to 10…15° to the front wall. The front edge of the knives has a rounding on the circle radius. The knives are located on the rim on the outer surface with an overlap. The discs are mounted on the axis of the tool by means of sliding bearings mounted in the hub.

EFFECT: increase in degree of crumbling and levelling of the soil surface before sowing, providing destruction of weeds.

3 dwg