Land vehicles – Wheeled – Occupant propelled type
Patent
1978-02-03
1979-01-09
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Occupant propelled type
280238, 280241, 280259, 280261, B60M 2300
Patent
active
041335503
ABSTRACT:
A drive system for providing propulsion forces having predetermined characteristics for a bicycle or the like having a rear wheel manually operable by application of rider generated input forces through pedals mounted on crank arms operatively connected to a crank shaft with cam means operable by the crank shaft and the crank arms, the cam means being designed to variously modify the available input and/or effective output force characteristics in accordance with predetermined desired characteristics and being operatively connected to and driving an oscillator means with bike speed change means associated therewith to provide a substantially infinitely variable selectable range of bike speeds, and rear wheel driving means operatively connected to and driven by the oscillator means and operatively connected to and driving the rear wheel of the bike with bike speed ratio changing means associated therewith to provide for selective multiplication of the ratio of application of available bike speeds in the substantially infinitely variable range of speeds provided by the oscillator means to the rear wheel of the bike.
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Klaas Bruce G.
Peters Jr. Joseph F.
Siemens Terrance L.
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