Pivotable wing assembly for use with a plow blade

Details Pivotable wing assembly for use with a plow blade Pivotable wing assembly for use with a plow blade

E - Fixed Constructions

01

H

37/27

E01H 5/06 (2006.01)

Patent

CA 2024949

A wing assembly is mountable to a plow blade driven in a direction of travel by a vehicle, and preferably left and right wing assemblies are respectively mounted on the left and right side edges of the plow blade. A representative wing assembly provides a wing plate that has an auxillary plowing surface. The wing plate is pivotally mounted on a vertical pivot axis so that it may pivot into an attack position at an obtuse angle .THETA. to the plow blade with an inboard wing edge overlapping the plow blade and an outboard portion projecting forwardly and outwardly from the front plowing surface of the plow blade. A latching structure retains the wing plate in the attack position. The pivotal mounts are vertically aligned trunnion pins on the plow blade and matable openings on brackets defined by rear horizontal support and mounting webs on the wing plate. Where the plow blade is can be canted at an obtuse angle O with respect to the direction of travel, it is preferred that ? be at least 120° and 160° .THETA. 275° - ?. A brace helps support the wing plate.

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