PLOUGHSHARE Russian patent published in 2010 - IPC A01C7/20 

FIELD: agriculture.

SUBSTANCE: ploughshare comprises planting runner stand and seed duct arranged on it. In upper part of seed duct there is expansion chamber provided for reception of seeds coming from sowing unit. Nozzle is inbuilt into expansion chamber, being arranged in the form of cylindrical tube with skew cut of outlet hole. Skew part of tube is arranged on the side of opposite inlet part of expansion chamber. Seed duct is installed vertically in ploughshare and has expansion in lower part with outlet holes for gas. Lower end of seed duct has skew cut. Planting runner stand has furrow maker in its lower part, which consists of curvilinear knife, joined with cheeks. Cheeks cover expansion of lower part of seed duct and narrow to lower part of furrow maker. In lower part of furrow maker cheeks joined to front wall of seed duct, there is wedge-like anvil provided with specified shape of wedge. Front part of anvil is arranged as sharpened and curvilinear. Lower part of furrow maker cheeks is coupled with upper cut of wedge-like anvil. In back part of furrow maker there are furrow-closing hoes provided in the form of knives. Knives are diverged from upper cut of cheeks and are installed at sharp angle to direction of motion.

EFFECT: use of ploughshare makes it possible to provide for sowing of germinated and soaked seeds without damage of their sprouts.

3 dwg