Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Reexamination Certificate
2011-03-15
2011-03-15
Pezzuto, Robert E (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
C172S701300
Reexamination Certificate
active
07905035
ABSTRACT:
A clearing bar for the clearing blade of a snow plough, is defined at least partially in cross section by a curved contour and avoids undesirable swirling of snow within the clearing blade Snow is swirled on parts of the fastener for fastening the clearing bar to the clearing blade. To solve this problem, a design of the curved contour is optimized dynamically in terms of flow.
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International Search Report.
Collard & Roe P.C.
Gummi Kueper GmbH & Co. KG
Pezzuto Robert E
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