Chain drive shift system

Details Chain drive shift system Chain drive shift system

1976-10-12

1978-09-26

Wyche, Benjamin W.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16H 900

Patent

active

041160797

ABSTRACT:
In abstract, a preferred embodiment of this invention is a shift system for bicycle type chain drives, including noncable linkages for positive movement in both directions. The hand manipulated controls are conveniently located on the upper portion of the velocipede and are designed for simplicity and smooth operation.

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