Excavating – Snow or ice removing or grooming by portable device – Snow or ice surface groomer
Reexamination Certificate
2007-11-19
2009-06-16
Pezzuto, Robert E (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Snow or ice surface groomer
Reexamination Certificate
active
07546700
ABSTRACT:
A piste grooming apparatus for a motor vehicle, in particular a track-laying vehicle, includes a cutter support which can be adjusted relative to the motor vehicle about a plurality of axes and which has a cutting shaft arrangement that is arranged rotatably in an impact housing. A smoothing mechanism is arranged—as seen in the forward direction of travel of the motor vehicle—behind the cutting shaft arrangement and is held in an adjustable manner.The impact housing and the cutting shaft arrangement are held on the cutter support in a manner such that they can be adjusted about a pivot axis which—as seen in the forward direction of travel of the motor vehicle—lies behind an axis of rotation of the cutting shaft arrangement.
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Beer Franz
Friedmann Gerd
Nusser Hans-Martin
Westmont Scott A.
Flynn ,Thiel, Boutell & Tanis, P.C.
Kaessbohrer Gelaendefahrzeug AG
Pezzuto Robert E
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