Speed change operating device for a bicycle

Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements

Patent

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Details

74475, 74489, 74491, 74501R, 74531, G05G 106, G05G 516

Patent

active

045863962

ABSTRACT:
A speed change operating device for a bicycle which includes first and second operating levers each having a boss and a control portion and supported rotatably at both sides of a base member. Between the opposite inside surfaces of the operating portions of the levers are provided enlarged portions projecting inwardly with respect to both lateral sides of the base member.

REFERENCES:
patent: 3181391 (1965-05-01), Juy
patent: 3426614 (1969-02-01), Brilando et al.
patent: 4046025 (1977-09-01), Ozaki
patent: 4155270 (1979-05-01), Juy
patent: 4434679 (1984-03-01), Shimano
patent: 4437357 (1984-03-01), Ozaki et al.

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