Lever shifting device for a bicycle

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

1986-03-17

1988-05-17

Smith, Gary L.

Machine element or mechanism

Control lever and linkage systems

Elements

74527, 74475, G05G 104, G05G 506, B60K 2000

Patent

active

047442654

ABSTRACT:
A lever shifting device for a bicycle is provided with a positioning mechanism comprising a positioning member having a plurality of engaging portions and an engaging member engageable with one of the engaging portions. A friction mechanism has friction portions, so that the positioning mechanism and friction mechanism can be switched to each other. The engaging portions and friction portions are disposed in the same plane perpendicular to the axis of rotation of an operating lever, but radially displaced from each other.

REFERENCES:
patent: 3352173 (1967-11-01), Freeland
patent: 3662618 (1972-05-01), Kroll et al.
patent: 3782210 (1974-01-01), Holleman
patent: 3974707 (1976-08-01), Nagano
patent: 4232564 (1980-11-01), Yamasaki
patent: 4267744 (1981-05-01), Yamasaki
patent: 4270481 (1981-06-01), Watarai
patent: 4343201 (1982-08-01), Shimano
patent: 4470823 (1984-09-01), Shimano
patent: 4548092 (1985-10-01), Strong

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