TILLAGE ROLLER Russian patent published in 2017 - IPC A01B29/00 

FIELD: agriculture.

SUBSTANCE: tillage roller comprises a hollow cylinder with ribs evenly spaced around the circumference. The ribs are installed along a helical line and connect vertical disks. The hollow cylinder is provided with an axis situated on its symmetry axis. Inside the hollow cylinder, drawbars are radially and pivotally mounted on the axis. At the ends of leads (5) the hammers (6) are mounted, they have the shape of a sector of the ring. The cross-section of the ring is a rectangle. The outer radius of the hammers is less than the radius of the hollow cylinder. The distance between the hammers and the outer surface of the inner surface of the hollow cylinder is increased in both directions from the center of the bottom surface of the hammers to their lower transverse edges center from 0.25…10 mm to 50 mm. On the surface of the rows of hammers mounted segmental knives. The rows of blades are at equal distances from each other. The height of the blades and the distance between them does not exceed the maximum allowable size of lumps agronomic requirements.

EFFECT: invention provides the improved quality of compacting the soil and breaking the soil lumps.

2 dwg