Speed change lever apparatus for use in bicycles

Details Speed change lever apparatus for use in bicycles Speed change lever apparatus for use in bicycles

1996-01-03

1997-10-07

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74143, 74489, 745022, B62M 2504, B62K 1114, B62K 2306

Patent

active

056735944

ABSTRACT:
The present invention relates to a bicycle speed change lever apparatus which is mounted near the handlebar of a bicycle. A lever apparatus is used for pushing a ratchet member, allowing the ratchet member to produce a positive or negative rotation, which further drives a cable-pulling member, thus allowing the cable to be tightened or relaxed by the cable-pulling member to accomplish an in or back shift. A position maintaining mechanism is also provided for effectuating the shift change, and the cable is allowed to maintain a certain amount of tension. The speed change lever apparatus eases the shifting operation and makes the in shift or back shift more precisely controlled.

REFERENCES:
patent: 5020387 (1991-06-01), Nagano
patent: 5095768 (1992-03-01), Nagano
patent: 5203213 (1993-04-01), Nagano
patent: 5564310 (1996-10-01), Kishimoto

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