Hydraulic rim brake for a bicycle
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United States of America Patent
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Feb 18, 2014
Grant Date -
Sep 6, 2012
app pub date -
Jul 1, 2011
filing date -
Mar 4, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A bicycle brake apparatus comprises a first brake arm, a second brake arm and a piston assembly. A first control interface portion of the first brake arm is coupled to an output shaft of a piston, and a second control interface portion of the second brake arm is coupled to a housing of the piston assembly between first and second axial ends of the housing. An adjusting member may be disposed at the output shaft for adjusting a position of the output shaft relative to at least one of the housing or the first control interface portion of the first brake arm. The housing includes a first wall defining a piston chamber and a second wall defining an accumulator chamber. A radial distance from a movement axis to the second wall is greater than a radial distance from the movement axis to the first wall.
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