Variable speed hydraulic drive, for single or multi-wheel drive

Details Variable speed hydraulic drive, for single or multi-wheel drive Variable speed hydraulic drive, for single or multi-wheel drive

1994-03-17

1995-06-13

Focarino, Margaret A.

Textiles: manufacturing

280259, B62M 102, B62M 1900

Patent

active

054235600

ABSTRACT:
A hydraulic drive system is disclosed that has infinitely variable ratio without any need to reduce or remove power during shifts, requires very little effort to shift, and requires little or no effort to maintain shift position after shifting. It provides the ability to use single wheel drive, or multi-wheel drive with traction control, selectably. This invention may be used to power bicycles, but is not limited to bicycles as it may be built in any size or configuration.

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patent: 4934253 (1990-06-01), Berthold
patent: 5184536 (1993-02-01), Arai

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