Bicycle

Details Bicycle Bicycle

1997-02-13

1999-02-23

Oberleitner, Robert J.

Land vehicles

Wheeled

Occupant propelled type

280260, B62M 100

Patent

active

058735909

ABSTRACT:
A bicycle is provided with a frame and a drive portion. The frame is at least partially hollow, and at least part of the drive portion is disposed in an interior of the frame. The drive portion includes a crank and a plurality of transmission means, in which one of the transmission means rotates another transmission means at a rotational speed higher than a rotational speed of the crank, which in turn rotates the rear wheel of the bicycle.

REFERENCES:
patent: 446354 (1891-02-01), Kane
patent: 3233916 (1966-02-01), Bowden

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