Adjustable wing plow

Details Adjustable wing plow Adjustable wing plow

E - Fixed Constructions

01

H

E01H 5/06 (2006.01) E02F 3/815 (2006.01)

Patent

CA 2358145

A plow assembly for vehicles such as pickup trucks and tractors for moving snow or other materials, as well as for bulldozers, graders and the like for excavating and grading dirt, sand, gravel or other plowable materials, has at least one extendable, forwardly pivotable plow wing which is extendable on one end of a main plow by sliding movement along the front of the plow between a retracted and an extended position. The plow wing is also pivotally mounted on a hinge for movement between an aligned position and a forwardly angled position in which the plow wing front surface extends at an angle to the plow front surface. At least one fluid power cylinder is connected to the plow wing to move the wing between the retracted, extended, aligned, and forwardly angled positions. In the preferred embodiment, an extendable plow wing is included on each end of the main plow with a pair of fluid cylinders connected to each of the respective plow wings. The fluid cylinders are operable independently of one another to move the plow wings independently between their respective retracted, extended, aligned and forwardly angled positions. When both plow wings are pivoted to their forwardly angled positions, the plow assembly has a general U-shape which facilitates pushing snow, dirt, sand or other plowable material without the material slipping off the plow blade ends. The plow wings may be pivoted to their forwardly angled positions irrespective of the degree of extension of the wings from the main plow blade. Similarly, the plow wings may be extended or retracted irrespective of the degree of forward angling of the plow wing with respect to the main plow blade.

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