COMBINED WORKING APPARATUS FOR TILLAGE TOOL Russian patent published in 2006 - IPC A01C7/20 A01B49/04 

FIELD: agricultural engineering.

SUBSTANCE: tillage tool has frame, tine mounted on frame and having lower part rounded at certain radius, and fertilizer guide provided in rear part of tine. Vertical disk cutter is positioned forward of tine on U-shaped horizontal and vertical planks. Left-hand and right-hand turning shares are secured to lower part of tine, said cutting edge part of shanks being fused with hard alloy. Stable attachment of shares is ensured by shoes to which distributing fertilizer guide is secured. Fertilizer guide has guiding blades with variable setting angle with respect to direction of advancement of tillage tool. Blade setting angle is increasing from axis of tine to peripheral portions of shanks. Height of guiding blades is also increasing from axis of tine to peripheral parts of shares. Flow divider is provided in junction zone of feeding and distributing parts of fertilizer guide. Fertilizer is fed into mellowed soil layer through windows of distributing fertilizer guide.

EFFECT: reduced draft and increased yield of farm crops.

3 dwg