Land vehicles – Runner vehicle – Runner bases
Reexamination Certificate
2008-07-29
2008-07-29
Ellis, Christopher (Department: 3618)
Land vehicles
Runner vehicle
Runner bases
C280S011180, C280S021100, C280S609000
Reexamination Certificate
active
11705116
ABSTRACT:
A guide fixed at the front of a ski of a snow vehicle (22) and including two wings (40) of reversed U-Shape, whose web (60) is linked to the lower face of the ski, the guide including means of initialization (64) of a rectangular runner (48) which is laid out sideways, in continuation and in line with the guide. A ski of a snow vehicle used in combination with a wear runner which is laid out longitudinally of the ski, the bottom face of the ski having in its fore end a pair of downward wings (40) acting as knives and spaced to guide the snow on the two sides of the wear runner. The existing methods of stabilization of snow vehicle implying a sole carbide runner are improved by the presence of the guide, which guides the runner through the trails left by the passage of skis of other snow vehicles. The runner is further improved by a rectangular section thereof, which is laid out sideways and longitudinally of the ski and by its being self sharpening.
REFERENCES:
patent: 3857578 (1974-12-01), Alton
patent: 6267392 (2001-07-01), Noble
patent: 7017695 (2006-03-01), Meunier et al.
patent: 7252301 (2007-08-01), Valikangas
patent: 2535532 (2006-02-01), None
Ellis Christopher
Walters John D
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