Variable speed drive for bicycles and the like

Details Variable speed drive for bicycles and the like Variable speed drive for bicycles and the like

1975-03-17

1976-01-27

Wyche, Benjamin W.

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74689, 74750B, F16H 3706

Patent

active

039344924

ABSTRACT:
A variable speed "stiff-hub " drive adapted particularly to bicycles and comprised of a constant mesh infinitely variable gearing with an integral input crank shaft projecting axially from opposite ends of an enclosing case, with a drive sprocket at one side of the case and coaxially disposed over one of said crank shaft ends, and having a control means which operates in conjunction with a single lever which also comprises the braking force actuator.

REFERENCES:
patent: 598762 (1898-02-01), Behrens
patent: 1185546 (1916-05-01), Rodgers
patent: 2422343 (1947-06-01), Duer
patent: 2931250 (1960-04-01), Ebert
patent: 3298174 (1967-01-01), Stoyke et al.

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