Snowmobile steerable ski

Details Snowmobile steerable ski Snowmobile steerable ski

1997-02-14

1999-10-12

Graham, Matthew C.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180193, 180184, B62D 5506

Patent

active

059643110

ABSTRACT:
The weight and cost of a steerable ski can be reduced by providing a steerable ski formed of resin as a whole and which includes a hollow portion. The hollow portion is filled with a foamed material as required. Accordingly, the height in cross section of the steerable ski can be increased to thereby increase the modulus of section. As a result, the wall thickness of the steerable ski can be reduced to thereby prevent an increase in the weight and cost.

REFERENCES:
patent: 3252533 (1966-05-01), Aeder et al.
patent: 4823903 (1989-04-01), Bibollet et al.
patent: 4893692 (1990-01-01), Smith
patent: 5203424 (1993-04-01), Gogo et al.
patent: 5474146 (1995-12-01), Yoshioka et al.

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