CULTIVATOR BLADE Russian patent published in 2020 - IPC A01B35/22 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to working members of tillers. Cultivator blade comprises holder, two wings with cutting faces and nose. Blade is provided with ripper made in the form of a plate with elliptical curvature in upper part, sharpened edge from toe of blade to holder, rear part, copying the shape of cover plate and holder, and a straight base inserted into grooves of the pad located in the center of the blade and rigidly attached to the holder. Width of pad is at least not less than half width of blade wing. Height of ripper at the level of its maximum curvature is twice less than length of its base, inclination angle of blade wings relative to horizontal surface is 2–40°.

EFFECT: higher quality of tillage due to increased stability of cultivator stroke and reduced traction resistance.

1 cl, 4 dwg