Bicycle speed change lever assembly

Details Bicycle speed change lever assembly Bicycle speed change lever assembly

1989-06-05

1990-10-30

Lindsey, Rodney M.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74475, 74489, 74527, F16C 110

Patent

active

049660462

ABSTRACT:
A bicycle speed change lever assembly comprises a fixed support shaft, and a control lever pivotally supported on the support shaft and always subjected to a tension tending to pivot the lever in one direction. The lever has a boss portion housing a click ring formed with an arcuate series of clicking recesses. The click ring is co-rotatable with the lever boss portion. A ball is retained by a non-rotatable retainer disc in facing relation to the recess series. In one operational mode, the lever is given a rotational friction overcoming the tension, while the ball is backed up by a mode selector in a manner such that the ball comes into clicking engagement with the recess series with the capability of slight retreating movement.

REFERENCES:
patent: 4699018 (1987-10-01), Tagawa
patent: 4736651 (1988-04-01), Nagano
patent: 4744265 (1988-05-01), Nagano
patent: 4751850 (1988-06-01), Nagano
patent: 4751852 (1988-06-01), Nagano
patent: 4768395 (1988-09-01), Tagawa

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