DISC-SHAPED SOIL TILLING EQUIPMENT Russian patent published in 2011 - IPC A01B21/08 

FIELD: agriculture.

SUBSTANCE: equipment includes frame and at least two rows of two-disc sections with posts and discs of various radii, which are installed on frame beams with transverse offset. Discs in the section are located on one axis and installed with possibility of rotation, with attack and roll angles. Posts of double-disc sections are fixed in vertical frame sleeves, and they are also straight and can be turned about their axis. Posts of sections are equipped with drive tangs hinged to adjusting rod providing the turn of posts. Axis of post is offset towards larger disc. Axes of discs and posts of section are located in one plane. Distance between discs is less than radius of larger disc, but larger than the half distance between posts of the row of sections.

EFFECT: design will allows increasing operating stability of equipment under extreme soil conditions.

3 cl, 3 dwg