UNDERMINING TOOL OF THE POTATO COMBINE HARVESTER

摘要

Usage: agriculturally engineering for tillers. INVENTION SUMMARY: ploughshare is in the form ploskorezhuschey paw cutting angle of each blade is increased from its tip to the rear end, on the upper edges of the paw is set triangular shaped platform with a key operation mechanism fixed pivotally on the cam shaft, wherein the forward portion of keys attached also hinged to the surface platform. 1 ZP f ly-2-yl.