TILLAGE ROLLER Russian patent published in 2021 - IPC A01B29/04 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. The tillage roller is made in the form of a conical drum symmetrical with respect to the longitudinal axis of the unit, consisting of a shaft (1) with trunnions, disks (2) welded to the shaft (1) and toothed slats (6) fixed on them. Three pairs of bearing toothed disks (2) with left- and right-sided teeth (4 and 5) are placed on the shaft (1). One pair is placed at the ends of the shaft (1) and one pair is placed in the center. The diameter of the central pair is smaller than the diameter of the side pairs. Each pair of disks (2) is provided with slots (3) for toothed slats (6) rotating around their axis and installed between the teeth (4 and 5) of the disks (2) at an equal distance from them. The surface of the toothed slats (6) is made in the form of an involute with a sweep angle of 45 ... 65°.

EFFECT: quality of soil crumbling is improved.

1 cl, 3 dwg