Plow with pivoting blade wing(s)
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United States of America Patent
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Dec 17, 2013
Grant Date -
Aug 30, 2012
app pub date -
Feb 28, 2011
filing date -
Feb 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A plow assembly for attachment to a vehicle, the vehicle having a longitudinal axis, comprises a plow blade having first and second ends, a first plow wing pivotally mounted to the first end of the plow blade, a plow support adapted to be mounted to the vehicle, the plow blade being pivotally mounted to the plow support to permit the plow blade to pivot relative to the vehicle between a center position, where the plow blade is positioned generally perpendicular to the longitudinal axis of the vehicle, and a first position, where the first end of the plow blade is pivoted toward the vehicle, and between the center position and a second position, where the second end of the plow blade is pivoted toward the vehicle, and either a single link rod, a resilient connecting member, or a cam and follower mechanism connected to the first plow wing and to the plow support and configured to pivot the first plow wing relative to the plow blade during pivoting of the plow blade relative to the vehicle such that when the plow blade is in the center position the first plow wing is angled forwardly relative to the plow blade, when the plow blade is in the first position the first plow wing is generally parallel to the plow blade, and when the plow blade is in the second position the first plow wing is angled forwardly relative to the plow blade.
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