Torsion bar skateboard

Details Torsion bar skateboard Torsion bar skateboard

1976-12-09

1978-04-04

Mitchell, David M.

Land vehicles

Wheeled

Coasters

280 1128, A63C 128

Patent

active

040823067

ABSTRACT:
An improved skateboard having a front platform separate and spaced from a rear platform. To each platform is attached a relatively conventional flexing wheel assembly with axle. In the first species of the invention the base plate of the wheel assemblies has resilient cushions mounted between the base plate of the wheel assemblies and the platforms. A torsion bar interconnects the base of the front wheel assemblies with the base of the rear wheel assemblies permitting rotary flexing between the two wheel assemblies. In the second species of the invention the torsion bar is connected to the pivotal collar of the shaft bushings rather than being connected directly to the base plates. To improve stability a support tubing is attached to the front and rear platforms and surround and encase the torsion bar. The support tubing maintains a front and rear platform in substantially constant spaced relationship.

REFERENCES:
patent: 1377948 (1921-05-01), Wacker
patent: 1703936 (1929-03-01), Jervoise
patent: 2027254 (1936-01-01), Vogt
patent: 2162128 (1939-06-01), Shoemaker
patent: 2330147 (1943-09-01), Rodriguez
patent: 2664294 (1953-12-01), Kleinman
patent: 3023022 (1962-02-01), Boyden
patent: 3891225 (1975-06-01), Sessa

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