PULL-TYPE COMPLEX SOIL TILLING AGGREGATE Russian patent published in 2010 - IPC A01B33/00 A01B49/02 

FIELD: agriculture.

SUBSTANCE: invention refers to agricultural machine building, particularly to pull type complex soil tilling aggregates for shallow soil cultivation. The aggregate consists of a frame, of a hitch, of support wheels, of spring loaded blades and of working elements rotating from earth. Two rows of single disk harrows are mounted before blades. The first row of disk harrows is equipped with waved disks, while the second one is equipped with jagged disks with dimension of teeth l=d:8, where l is height of a tooth, mm, d is diametre of the jagged disk , mm, 8 is process coefficient depending on mode of operation and on physical-mechanical properties of soil. The disk harrows are equipped with facilities for dick regulation.

EFFECT: upgraded agro-technical indices of cultivating and crumbling of stubble remains.

3 cl, 8 dwg