BULLDOZER TOOL Russian patent published in 1994 - IPC

FIELD: earth-moving machines. SUBSTANCE: bulldozer tool has advancing blades, blade, hydraulic cylinder for controlling advancing blades, blades rotation hydraulic cylinder. Advancing blades are mounted onto the lower back side of the blade in vertical guides; they are disposed in parallel to the blade and symmetrically in relation to central axis of the blade. Blade controlling hydraulic is made in form of double action hydraulic cylinder and is connected with the blades by means of rods through intermediate members and tilted hinge links. Blades rotation hydraulic cylinder is connected with blades for rotating the blades in vertical plane through additional links. EFFECT: improved reliability; improved efficiency. 2 dwg