Bicycle speed controller

Details Bicycle speed controller Bicycle speed controller

1992-08-12

1994-10-18

Bonck, Rodney H.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74489, 74540, B62M 2504

Patent

active

053557450

ABSTRACT:
A bicycle speed control having a casing to hold a control mechanism being consisted of a sector ratchet wheel, a cable winch and a lever, an upper stop plate and a curved lower stop plate for controlling shifting of speeds of a bicycle, wherein moving the curved lower stop plate with the thumb toward the lever causes the bicycle controller to shift from a lower speed to a higher speed; moving the lever with the index finger toward the curved lower stop plate causes the bicycle controller to shift from a higher speed to a lower speed.

REFERENCES:
patent: 2770980 (1956-11-01), Millward
patent: 2785586 (1957-03-01), Schwerdhofer
patent: 3972247 (1976-08-01), Armstrong
patent: 4343201 (1982-08-01), Shimano
patent: 4364284 (1982-12-01), Tani et al.
patent: 4391159 (1983-07-01), Sellmeyer
patent: 4995280 (1991-02-01), Tagawa
patent: 5012692 (1991-05-01), Nagano
patent: 5054333 (1991-10-01), Scott et al.
patent: 5094120 (1992-03-01), Tagawa

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