Excavating – Snow or ice removing or grooming by portable device – With specific means to facilitate connection to – or...
Reexamination Certificate
2005-03-01
2005-03-01
Pezzuto, Robert E (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
With specific means to facilitate connection to, or...
Reexamination Certificate
active
06860040
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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Webpage from www.tocata.com, “Cut Your Plow Time in Halfl”, Back-Drag Plow Images, pp. 1-6, Dec. 27, 2000.
Koch Timothy G.
Schultz Lynn W.
Wendorff Terry C.
Pezzuto Robert E
Reinhart Boerner Van Deuren s.c.
Sno-Way International, Inc.
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