DISK HARROW Russian patent published in 2010 - IPC A01B21/08 

FIELD: agriculture.

SUBSTANCE: harrow comprises frame and spherical disks. Spherical disks are arranged in rows at angle of attack and angle of inclination to vertical plane. Disks of the first row are arranged with smaller diametre, and disks of the following rows - of larger diametre. Disks of all rows have the same level of embedment.

EFFECT: such structural version will make it possible to improve embedment of disks into soil and to reduce soil resistance in process of its treatment, and also to improve quality of soil treatment.

4 dwg