发明名称 BICYCLE CHAIN RINGS WITH RAMPS
摘要 <p>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.</p>
申请公布号 WO2010033243(A1) 申请公布日期 2010.03.25
申请号 WO2009US05243 申请日期 2009.09.18
申请人 WICKWERKS, LLC;WICKLIFFE, CHRISTOPHER, A.;GOATES, ELDON 发明人 WICKLIFFE, CHRISTOPHER, A.;GOATES, ELDON
分类号 F16H55/30 主分类号 F16H55/30
代理机构 代理人
主权项
地址