Speed-changing device for a bicycle

Details Speed-changing device for a bicycle Speed-changing device for a bicycle

1984-02-03

1990-03-06

Lindsey, Rodney M.

Machine element or mechanism

Control lever and linkage systems

Elements

745022, G05G 506

Patent

active

049055372

ABSTRACT:
A speed-changing device for a bicycle wherein a boss of an operating lever is rotatably supported to a lever shaft, a holder supported non-rotatably to a fixing member including the lever shaft incorporates a sound-generating mechanism comprising a ridge-groove member having a ridge-groove surface and a sound-generator engageable therewith to generate a sound, thereby forming a sound-generator unit, one of the ridge-groove member and sound-generating of the unit is adapted to engage for associated motion with the boss of the operating lever, so that the operating lever is turned to generate a sound.

REFERENCES:
patent: 2836989 (1958-06-01), Schultz
patent: 3400605 (1968-09-01), Hood
patent: 3439557 (1969-04-01), Bookout
patent: 3915029 (1975-10-01), Shimada
patent: 3921780 (1975-11-01), Gentzlinger et al.
patent: 3921955 (1975-11-01), Haddad
patent: 3945201 (1976-03-01), Entringer
patent: 4155270 (1979-05-01), Juy
patent: 4232564 (1980-11-01), Yamasaki
patent: 4351198 (1982-09-01), Hansen
patent: 4437357 (1984-03-01), Ozaki et al.
patent: 4454784 (1984-06-01), Shimano

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