Land vehicles – Wheeled – Coasters
Patent
1992-05-07
1993-08-17
Mitchell, David M.
Land vehicles
Wheeled
Coasters
280 871, 280 1127, A63C 1701
Patent
active
052362086
ABSTRACT:
A fully steerable skateboard generally comprises an elongate chassis rollingly supported by a pair of front wheels and a pair of rear wheels. Each wheel rotates about a substantially horizontal axis for rollingly supporting the chassis and rotates about a vertical axis for steering the chassis. A steering mechanism attached to the chassis and to the wheels steers the wheels in response to movement of a rider's foot. The wheels at all times define a stable support plane for said skateboard. Each said wheel is rotatable through 360 degrees. Braking is accomplished by rotating a wheel set ninety degrees to the direction of travel. According to a preferred embodiment, the wheel steering mechanism includes a pair of foot platforms for supporting a rider's feet. Steering linkage connects each foot platform to a set of wheels such that rotation of each foot platform steers the wheels. The chassis has an underside that forms a plane such that obstacles can only strike a wheel below its axle.
REFERENCES:
patent: 1273593 (1918-07-01), Felicitti
patent: 2055747 (1936-09-01), Laube et al.
patent: 3035849 (1962-05-01), Groth
patent: 3567242 (1971-03-01), Miller
patent: 3771811 (1973-11-01), Bueno
patent: 4202559 (1980-05-01), Piazza
patent: 4445699 (1984-05-01), Darasko
Mitchell David M.
Tervo Calif Kip
LandOfFree
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