WORKING EQUIPMENT FOR DEEP TILLAGE Russian patent published in 2010 - IPC A01B13/14 

FIELD: agriculture.

SUBSTANCE: working equipment includes double column frame, which cutting racks in the lower part are interconnected with ploughshare brought forward. Lateral cutting racks are bent backward at an angle of 15°…20° relative to the vertical and made in the form of a logarithmic spiral, providing a different angle of cut, increasing from the minimum in the lower part to the maximum at the soil surface.

EFFECT: such design allows increasing quality of tillage throughout the depth of loosening and provides for improved energy efficiency.

4 dwg