Patent ID: 6314666
Filing Date: 2001-11-13
Classification: E01H

Abstract:
A material moving blade adapted to be mounted on a vehicle to push material forward and to back drag material comprising:a moldboard assembly having a lower moldboard portion and an upper moldboard portion;a lower bar, on the lower moldboard portion, forming a bottom edge of the lower moldboard portion;an upper bar, on the upper moldboard portion, forming a top edge of the upper moldboard portion;a hinge assembly pivotally attaching the upper moldboard portion to the lower moldboard portion for pivotal movement about a horizontal axis between a forward material pushing position in which the upper bar is above the bottom edge on the lower moldboard portion and a back dragging position in which the top edge on the upper bar is below the bottom edge;an attachment structure on the lower moldboard portion for attaching the moldboard assembly to a plow support; andan actuator attached to the lower moldboard portion and the upper moldboard portion for pivoting the upper moldboard portion about the horizontal axis.