B - Operations – Transporting – 62 – M
Patent
B - Operations, Transporting
62
M
74/33
B62M 3/00 (2006.01) B62M 9/04 (2006.01) B62M 25/04 (2006.01)
Patent
CA 1060677
BICYCLE AND POWER TRANSMISSION SYSTEM Abstract of the Disclosure A drive system for providing propulsion forces having pre- determined 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 select- able range of bike speeds, and rear wheel driving means opera- tively connected to and driven by the oscillator means and opera- tively 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 avail- able of 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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