UNIVERSAL TILLER Russian patent published in 2016 - IPC A01B35/20 

FIELD: agriculture; machine building.

SUBSTANCE: working element includes stand, a ploughshare, a bit. Ploughshares are fixed to shoe secured at the bottom of the post. On upper surface of ploughshares are installed removable rippers to adjust their position relative to longitudinal axis at angle ±10°. At the height of the post, equal to half the depth of solid soil treatment with possibility of controlling the given height in the range from 0 to 5 cm and adjust the angle of 20°≤α≥27°, additionally are fixed on both sides of detachable knives. Width of knives is equal to width of ploughshares. To lower part of shoe hinged removable slot cutter with bit and spring safety device installed in the upper part of the support slot cutter on hinge.

EFFECT: such design will allow to expand technological capabilities of the working element, and also to reduce traction resistance unit.

2 cl, 4 dwg