Land vehicles – Runner vehicle – Runner bases
Reexamination Certificate
2007-09-04
2007-09-04
Ellis, Christopher P. (Department: 3618)
Land vehicles
Runner vehicle
Runner bases
C280S028150
Reexamination Certificate
active
10939583
ABSTRACT:
A stabilizer comprising three parallel wear blades each of which is made to remain sharpened over a long period of time. The side blades may contain holes to divert the snow and to add roughness when engaging into a ski path, while a rectangular central part runner provides a blade support of a given hardness and holding a central carbide blade of a much higher hardness, thereby permitting passage over rugged hard terrain without wearing the blade support. In soft abrasive gravel, the blade support wears partially thereby leaving a protruding central part, the protruding difference being self adjusting. In the case of the concave ski each side comprises a rectangular edge wear part coupled with a side blade for a total of four wear blades. The rectangular central part may be used alone, along with its central carbide blade within it.
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patent: 6012728 (2000-01-01), Noble
patent: 6971653 (2005-12-01), Takahiko
patent: 7090229 (2006-08-01), Monsrud et al.
patent: 7159876 (2007-01-01), Metheny
patent: 7185897 (2007-03-01), Musselman
Ellis Christopher P.
Swenson Brian
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