BULLDOZER EQUIPMENT Russian patent published in 1994 - IPC

FIELD: construction machinery. SUBSTANCE: bulldozer equipment includes blade with nose, rotary stab-wings connected to blade. Upper part of blade has dead groove arranged over height of blade which mounts nose. Walls of nose are conjugate to walls of groove. Stab-wings are manufactured in the form of bell-cranks. Hydraulic cylinders which connect stab-wings with nose are hinged to rear side of blade. Bodies of hydraulic cylinders are hydraulically coupled with the piston spaces to lower part of groove. Rods of hydraulic cylinders are hinged to arms of bell-cranks located in rear side of blade. EFFECT: simplified design, improved operational reliability. 2 dwg