Lever shifting device for a bicycle

Details Lever shifting device for a bicycle Lever shifting device for a bicycle

1986-03-05

1991-06-04

Reese, Randolph A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74527, 745022, B60K 2004

Patent

active

050203878

ABSTRACT:
A lever shifting device for a bicycle for operating a bicycle derailleur having a return spring and provided with a positioning mechanism having a positioning member which rotates in association with an operating lever to set the speed change stage of the derailleur is disclosed. Between a fixing member and the positioning member is provided an auxiliary spring, so that the operating lever can be lightly operated against the return spring.

REFERENCES:
patent: 3362238 (1968-01-01), Hayashi et al.
patent: 3394604 (1968-07-01), Kimura
patent: 3595351 (1971-07-01), Ishida
patent: 3886806 (1975-06-01), Nagano
patent: 3943794 (1976-03-01), Shimada
patent: 4267744 (1981-05-01), Yamasaki
patent: 4270481 (1981-06-01), Watarai
patent: 4343201 (1982-08-01), Shimano
patent: 4454784 (1984-06-01), Shimano
patent: 4470823 (1984-09-01), Shimano
patent: 4521650 (1985-06-01), Oswald
patent: 4628759 (1986-12-01), Kobayashi et al.

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