Bicycle chain rings with ramps
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United States of America Patent
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Aug 13, 2013
Issued Date -
N/A
app pub date -
Dec 27, 2011
filing date -
Sep 27, 2005
priority date (Note) -
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Abstract
Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps, tapers and profiled teeth for improved shifting performance. Additional embodiments of the bicycle chain rings of the present invention may be configured with one or more additional features formed within the chain rings including a transition slide, a tapered ramp face, a ramp bridge, a ramp lead, a trailing transition slide and a wear pin.
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