CULTIVATOR HOE Russian patent published in 2007 - IPC A01B35/20 A01B39/20 

FIELD: agricultural engineering, in particular, complete cultivation of soil.

SUBSTANCE: cultivator hoe has tine and right-hand and left-hand wings which are offset with respect to one another in longitudinal direction. Right-hand and left-hand wings have cutting edges of single-sided blades formed on front parts made from strip constructional steel. Sharpening angle of blades is reducing toward end of each wing. Each of wings is equipped with vertical blade formed from the same strip by deforming a portion of wing along bending line oriented at an acute angle to wing cutting edge. Vertical blade is joined to wing along groove. Upper parts of vertical blades are equipped with mounting cone openings. Cutting edges of blades are inclined to longitudinal direction at an angle equal to angle between strip folding line and cutting edge of wing. Cutting edge of each vertical blade is sharpened at an angle reducing in direction of mounting openings. Vertical blades are inserted with their mounting portions within inclined slot on lower part of tine, which is formed as step with upper and lower faces inclined one to another. Lower face is oriented toward longitudinal direction at an angle equal to angle of inclination of vertical blade cutting edge to vertical plane. Such construction of cultivator hoe allows power consumption to be reduced by 20-25%.

EFFECT: reduced material usage and provision for complete undercutting of weedage without carrying out of wet soil layer onto day surface.

9 cl, 9 dwg