Winged plow

Details Winged plow Winged plow

1992-07-13

1994-02-15

Taylor, Dennis L.

Excavating

Snow or ice removing or grooming by portable device

Including specific hydraulic control system to position...

37232, 37274, 37283, E01H 504

Patent

active

052855880

ABSTRACT:
A winged plow for moving snow or other materials with a vehicle has a support frame pivotally connected with one end of a plow vehicle. An elongated plow blade having two opposing ends is pivotally connected with the terminal end of the support frame for generally horizontal rotation between a centered position with the plow blade oriented generally perpendicular to the support frame and an angled position with the plow blade rotated substantially away from the centered position. One of a pair of plow blade wings is pivotally connected at each of the opposing ends of the plow blade for rotation between a closed position in which the wings project generally forward, the wings and plow blade defining a generally U-shaped assembly, and an open position in which the wings project in generally opposite directions, away from each other, effectively extending the length of the plow blade. An actuator, which may be cable, hydraulically or mechanically operated, is responsive to the position of the plow blade relative to the support frame manipulates the wings between the closed position when the plow blade is substantially in the centered position and the open position when the plow blade is rotated substantially away from the centered position, either left or right.

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Farm Industry News, vol. 23 No. 7, p. 25 Jul./Aug. 1990.
Excel brochure entitled "Climb into the Snow Track 440 and Start Building Cross-Country Skiing Excitement", Copyright 1989.
Excel Hustler brand brochure outside cover and inside page entitled "Still Out Front in Productivity", Copyright 1988.
Snow Craft Industries, Inc. brochure believed publsihed at least one year prior to filing this application.

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