Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1992-04-16
1994-02-22
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Hand operated
F16C 110
Patent
active
052877663
ABSTRACT:
A bicycle speed control apparatus attached to a handlebar having a grip. This apparatus comprises a bracket fixed to the handlebar and having an extension extending away from the handlebar; a support shaft attached to the extension and extending substantially perpendicular a direction in which the grip extends; a shift lever having a control knob provided in a distal end region thereof; and a control device for controlling a change speed wire based on a pivotal displacement of the shift lever. The shift lever is pivotable about the support shaft and has a range of pivotal movement such that a tangent to a substantial locus of movement of the control knob approximates the direction in which the grip extends. This locus of movement is substantially within a width of the grip as seen from an end face of the support shaft. Consequently, the control knob is maintained at a substantially constant short distance to the grip throughout the range of pivotal movement of the shift lever.
REFERENCES:
patent: 4325267 (1982-04-01), Kojima
patent: 4995280 (1991-02-01), Tagawa
patent: 5009629 (1991-04-01), Tagawa
patent: 5012692 (1991-05-01), Nagano
patent: 5052241 (1991-10-01), Nagano
patent: 5094120 (1992-03-01), Tagawa
patent: 5178033 (1993-01-01), Kund
Braun Leslie A.
Massey Ryan W.
Shimano Inc.
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