HYDRAULIC RIM BRAKE
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Feb 25, 2014
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a bicycle having front and rear wheels, a frame supported by the wheels, and a brake system. The brake system includes a caliper arm pivotally coupled to the frame at a pivot point, a pad secured to the caliper arm at a location spaced from the pivot point by a first distance, and an actuator (e.g., a hydraulic piston) positioned to apply a force to the caliper arm at a location that is spaced from the pivot point by a second distance less than the first distance. Preferably, the actuating location is positioned between the pivot axis and the pad. In addition, it is preferred to have a ratio of the first distance to the second distance be at least 4.0, preferably at least 6.0, and more preferably about 8.0.
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