Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 10, 2012
Patent Application Number
12284339
Date Filed
September 18, 2008
Patent Citations Received
Patent Primary Examiner
Patent 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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