Snow-brake for sled

Details Snow-brake for sled Snow-brake for sled

2006-08-08

2006-08-08

Phan, Hau (Department: 3618)

Land vehicles

Runner vehicle

Toboggan

C280S021100

Reexamination Certificate

active

07086654

ABSTRACT:
A sled for sliding on a sliding surface has a hull with bow and stern ends, a side portion extending therebetween, and a bottom surface for contacting the sliding surface. A snow-brake integral with the hull is formed from a portion of the hull that extends outward from the hull and downward part-way to the bottom surface. The snow-brake forms a scoop for engaging the sliding surface when an angle between the hull and the sliding surface exceeds a critical angle. The critical angle is selected such that the bottom surface contacts the sliding surface while the snow-brake engages the sliding surface.

REFERENCES:
patent: 3169779 (1965-02-01), Haab
patent: 3628804 (1971-12-01), Carreiro
patent: 3937482 (1976-02-01), Johnson
patent: 4320905 (1982-03-01), Andrew et al.
patent: 4561664 (1985-12-01), Cashmere
patent: 4666171 (1987-05-01), Sellers
patent: 4928983 (1990-05-01), Maass
patent: 5687977 (1997-11-01), Smith
patent: 5868405 (1999-02-01), Lavecchia et al.
patent: 6189912 (2001-02-01), Ritzinger

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