Drive system for bicycles and other apparatus

Details Drive system for bicycles and other apparatus Drive system for bicycles and other apparatus

1979-07-05

1981-08-04

Mitchell, David M.

Land vehicles

Wheeled

Occupant propelled type

745942, 745943, 74781B, 474 71, 474 72, F16H 2904

Patent

active

042818451

ABSTRACT:
An input-output force correlated drive system for driving a driven device such as the rear wheel of a bicycle or the like comprising: input force applying apparatus for transmitting input force to and causing operation of the drive system; rotatable output force transfer apparatus operable by the input force applying apparatus for transferring output force to the driven device; and input-output force correlation apparatus being continuously operatively connected to and operable by the input force applying apparatus and being continuously operatively connected to and operating the output force transfer apparatus for variably changing the rotational speed and circumferential location of the output force transfer apparatus relative to the input force applying apparatus during each revolution in accordance with predetermined input-output force correlation characteristics to be provided by the drive system.

REFERENCES:
patent: 512479 (1894-01-01), McKenzie et al.
patent: 4133550 (1979-01-01), Brown
patent: 4159652 (1979-07-01), Trammell

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