BULLDOZER Russian patent published in 1995 - IPC

FIELD: earth-moving machines. SUBSTANCE: bulldozer has a base tractor, a blade, two pushing bars. One or two pushing bars are connected rigidly to the blade, and additionally to one another using connector assembly. Outer surface of the connector assembly are expanding from a pushing bar to back surface of the blade. Averaged line of the connection between connector assembly and back surface of the blade has convex shape. Connector assembly may be made, for example, in the form of a cone, pyramid, parallelepiped and their combinations. The base of the pyramid or cone is located on back surface of the blade, and geometrical vertex of the pyramid or cone is located beyond back surface of the blade. EFFECT: high productivity. 11 cl, 10 dwg