RIDGER ROLLER Russian patent published in 2011 - IPC A01B29/04 

FIELD: agriculture.

SUBSTANCE: roller includes a compound frame, an axle and spherical disks, freely mounted thereon, with rings positioned between them. The roller frame is designed so that to enable adjustment of mounting angle of the side beams together with the spherical disks relative to the direction of travel as well as locking in a position specified. A "П"-shaped beam with a guide bush is mounted on the frame along the roller longitudinal symmetry axis. Under the "П"-shaped beam a rod with a spring is mounted in the guide bush so that to enable vertical travel. The rod bottom end is pivotally mounted on the roller axle.

EFFECT: improved quality of compaction of earth ridges under sown seeds with density specified by agrotechnical requirements.

3 dwg