Snowmobile

Details Snowmobile Snowmobile

1997-02-14

1998-12-29

Butler, Douglas C.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

280 28, B62M 2702

Patent

active

058530614

ABSTRACT:
Variation in steering force is reduced by providing side edges attached to the right and the left side surfaces of a steering ski. The side edges have a continuously curved lower surface. A vertical plane including the axis of a pivot shaft crosses a middle portion of each side edge. Dislocation of contact centers from a pivot point, and the distances between the pivot point and the contact centers are small when the steering ski swings on the pivot shaft.

REFERENCES:
patent: 3252533 (1966-05-01), Aeder
patent: 3872938 (1975-03-01), DeGroot
patent: 5474146 (1995-12-01), Yoshioka

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