Gearing for multiple-use bicycles

Details Gearing for multiple-use bicycles Gearing for multiple-use bicycles

1987-10-16

1989-08-15

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74801, 280260, F16H 344

Patent

active

048563765

ABSTRACT:
A gearing for attachment to a bicycle which multiplies the revolutions of the main tie rod shaft for each pedal turn through the use of a central shaft connected to the pedals which engages primary sprockets which engage secondary sprockets which in turn engage the internal teeth of a sprocket crown, whose external teeth operate a chain to a rear wheel sprocket.

REFERENCES:
patent: 1411548 (1922-04-01), Yamamoto
patent: 1998376 (1935-04-01), Lundgvist
patent: 2392250 (1946-01-01), Lucas
patent: 2795970 (1957-06-01), Kollmann et al.
patent: 4644828 (1987-02-01), Kozakae
patent: 4721015 (1988-01-01), Hartmann

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