CIRCULAR SOIL MELLOWING MECHANISM Russian patent published in 2009 - IPC A01B33/02 A01B9/00 

FIELD: agricultural industry.

SUBSTANCE: soil mellowing mechanism consists of a casing, blades, axial pins and springs. Casing is made in the form of a disk with an axial box, or a spoke wheel with an axial hub. Each blade is arc-shaped and provided with a square hole made in the blade, and has stiffeners made in the form of side plates with a hole provided for the axial pin, a flange in the upper part, and locks. Blades are hinged by means of holes and axial pins to the casing so that they can turn within specified limits. Springs are made in the form of angled rods with a bent end which is installed in the casing's hole. Bent part of the rod envelopes the axial pin and is pressed to the blade plane.

EFFECT: improving soil mellowing quality, and simplifying the design.

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