ROTARY TILLAGE TOOL Russian patent published in 2013 - IPC A01B35/16 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, in particular to rotary tillage tools for solid tillage. The tillage tool comprises a frame, a bracket of automatic coupling, blocks of cross-shaped discs, knives with cutting edges. On the outer edge of the cross-shaped discs on the helical line of left-handed direction the removable knives are mounted. The outer surface of the removable knives is coupled tangentially to the circumference of the block of discs. The inner surface of the removable knives has an angle of shattering α=12…15°. The blocks of discs with knives are mounted on the frame by means of the brackets at an angle to the direction of the tillage tool. The blocks of discs are mounted on axes with the ability of free rotation.

EFFECT: constructive solution enables to reduce tractive resistance, to provide quality treatment of the field surface and to maintain soil moisture.

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