Cushion stop and method for absorbing bidirectional impact of snow plow blade tripping
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United States of America Patent
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-
Mar 1, 2005
Grant Date -
Apr 1, 2004
app pub date -
Sep 4, 2003
filing date -
Jul 10, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved snow plow for use with light and medium duty trucks has an impact-absorbing mechanism which absorbs the shocks of both the tripping of the snow plow blade upon striking an object and the spring-biased return of the snow plow blade to its original position. Impact-absorbing members made of a polymeric material are mounted in pockets contained in the pivot support structure of the snow plow blade support structure, and portions of the snow plow blade frame impact the impact-absorbing members prior to the snow plow blade reaching either a tripped position or a trip return position. The impact-absorbing members are highly resistant to damage even when absorbing large shocks caused by substantial impacts, and are easily replaceable when their lifetime has been expended.
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