BULLDOZER EQUIPMENT Russian patent published in 1996 - IPC

FIELD: building machines. SUBSTANCE: bulldozer equipment has a blade with a lip, rotary wings connected to the blade. Blind groove is originated along blade height in its upper portion. The lip is installed in the groove. The wings are made in the form of two-arm levers. Proper arms of the levers are placed in front of the blade, and other arms are placed on its rear side. The lip is connected to pull rods of the blade. Peculiar ends of the pull rods are hinged to rear sides of the lips. Another sides are connected to lever arms placed on rear side of the blade. Pull rods connection joints and the levers are placed below pull rods joints connected to the lip. The lip is spring loaded about the blade. The wings are spring loaded about the blade with compression springs. EFFECT: high productivity. 4 cl, 6 dwg