Land vehicles – Wheeled – Occupant propelled type
Patent
1991-01-29
1992-05-26
Hill, Mitchell J.
Land vehicles
Wheeled
Occupant propelled type
74665GE, 280260, 280261, B62M 102
Patent
active
051160706
ABSTRACT:
The dual wheel driven bicycle utilizes an elongate flexible shaft or cable for transferring rotational motion or torque to the front wheel. In the preferred embodiment, a rear ring gear is mounted on the rear wheel to drive a rear gear assembly. One end of the elongate flexible shaft is connected to and driven by the rear gear assembly; the opposite end of the elongate flexible shaft is connected to a front gear assembly which engages and drives a front ring gear connected to the front wheel. A freewheel assembly is interposed between the front ring gear and the hub of the front wheel to facilitate cornering. In an alternative embodiment, the freewheel assembly is an integral part of the front gear assembly. This invention is applicable to multispeed and single speed bicycles.
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Rokon Trail-Breaker.
B. W. Elliott Manufacturing Co. of Binghampton, N.Y., Advertising brochure No. 326.
S. S. White Industrial Products, Division of Penwalt, Flexible Power Blueprint #1.
Suhner, Switzerland, Advertising Brochure on flexible drive shafts.
Suhner, Switzerland, Advertising Brochure on flexible shafts.
Vert Velo, French magazine, Jan./Feb., 1991 issue, "The Snake", p. 28.
Evans, Jr. Lawrence E.
Hill Mitchell J.
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