Patent ID: 6408549
Filing Date: 2002-06-25
Classification: E01H,E02F

Abstract:
A plow assembly for vehicles, said assembly comprising:a plow having first and second ends, a front material engaging surface, and a rear surface opposite said front surface; a support for attaching said plow to the vehicle; a plow wing on said first end of said plow, said wing having inner and outer ends, a front, material engaging surface, and rear surface opposite said front surface, said plow wing being mounted for sliding movement along said plow at said first end between a retracted position in which said outer end of said plow wing is adjacent said first end of said plow, and an extended position in which said outer wing end is spaced outwardly of said retracted position; said plow wing including a hinge, said plow wing being pivotally mounted on said hinge for movement between an aligned position in which said material engaging surface of said plow wing is aligned with said front material engaging surface of said plow, and a forwardly angled position in which said wing front surface extends at an angle to said plow front surface; and at least one actuating device connected to said plow wing which is operable to move said plow wing between said aligned position and said forwardly angled position and to move said plow wing between said retracted and said extended positions, said at least one actuating device being operable to move said plow wing between said aligned position and said forwardly angled position at least when said plow wing is in said retracted position.