Speed-change operating device for a bicycle

Details Speed-change operating device for a bicycle Speed-change operating device for a bicycle

1981-06-19

1984-03-06

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74489, 74501R, 74531, G05G 516, G05G 1300

Patent

active

044346794

ABSTRACT:
A speed-change operating device mounted directly on a frame of a bicycle, in which a screw thread only is provided at a direct-mounting bed fixed to the bicycle frame by a fixing means, such as welding, and a control lever is assembled in a lever shaft to form a lever unit, so that the lever unit is mounted on the frame by screwing a screw member with the bed.

REFERENCES:
patent: 3426614 (1969-02-01), Brilando et al.
patent: 3776061 (1973-12-01), Yoshigai
patent: 4046025 (1977-09-01), Ozaki
patent: 4244235 (1981-01-01), Yoshikawa
patent: 4304145 (1981-12-01), Shimano

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