COMBINED TILLER Russian patent published in 2011 - IPC A01B49/02 

FIELD: agriculture.

SUBSTANCE: tiller comprises a frame with support wheels, disk sections and flat-cutting hoes. Disk sections are mounted on the front part of the frame at the sharp angle of attack into two rows. Flat-cutting hoes are installed in a staggered order at the back part of the frame. There are radial pointed double-edged knives installed on disks and arranged in the disk plane and bent at the sharp angle in turns towards different sides. Flat-cutting hoes comprise a stand and two ploughshares arranged at both sides of its lower part. Ploughshares are arranged as double-staged and include two flat wedges installed one behind the other. The first wedge of the ploughshare is installed at the large angle to the horizontal plane compared to the second one. Wedges are arranged in the form of right-angled triangles, long legs of which are sharpened and form the front edge of the ploughshare. Tops of wedges formed by a hypotenuse and a long leg are inverted towards the stand. Upper edges of ploughshares lie at the same level with sharp ends of disk section knives.

EFFECT: increased quality of soil treatment.

3 dwg