SHARE Russian patent published in 2007 - IPC A01C7/20 

FIELD: agricultural engineering, in particular, working tools for drills.

SUBSTANCE: shank has tine, disk knife, seed and fertilizer guide, and mellowing hoe. Disk knife is attached to tine by means of side planks, T-shaped rod and bifurcated rod and thrust plate through spring hanger. Overhanging of disk knife relative to A-hoe is adjusted by moving of T-shaped rod relative to bifurcated rod. Thrust plate is positioned so that its position and spring compression extent are varied for altering modes of engagement of disk knife with soil layer.

EFFECT: reduced sticking of disk knife owing to improved self-cleaning from soil particles, and reduced draft of share.

4 dwg