Patent ID: 7681337

Claim:
A plow assembly comprising: a blade, structure attached to said blade and adapted to be attached to a vehicle for mounting said blade to and supporting said blade from the vehicle, and a wing attached to an end of said blade, said wing having a first snow engaging portion mounted to said blade for translational movement relative to said blade, and a second snow engaging portion mounted to said first portion for rotational movement relative to said first portion, and an actuator having a cylinder and first and second oppositely movable piston rods, said first piston rod and said cylinder operable to move said first portion of said wing relative to said blade, said second piston rod and said cylinder operable to move said second portion of said wing relative to said first portion of said wing, said cylinder mounted to said first snow engaging portion of said wing, said first piston rod attached to said blade, said second piston rod pivotally attached to one end of a link, the other end of said link pivotally and slidably attached to said second snow engaging portion of said wing, wherein said link is a dog leg link, said other end of said link is pivotally attached to a clevis for pivoting about a pivot axis, and said clevis is mounted for sliding movement in a slot in a plate attached to said second snow engaging portion of said wing, said pivot axis being generally parallel to a plane defined by a width and a length of said slot.