发明名称 Bicycle sprocket assembly
摘要 A bicycle sprocket assembly is provided with at least a first sprocket, a second sprocket and a first axial spacer. The first sprocket includes an outermost peripheral portion defining a plurality of first teeth, and an innermost peripheral portion defining an opening that is free of any freewheel engaging splines. The first sprocket is larger than any other sprocket of the bicycle sprocket assembly. The second sprocket includes an outermost peripheral portion defining a plurality of second teeth, and an innermost peripheral portion defining an opening having a plurality of freewheel engaging splines. The first axial spacer is fixed to the first and second sprockets such that the first axial spacer is disposed between the first and second sprockets without any intervening sprockets disposed between the first and second sprockets. The first axial spacer includes an innermost peripheral portion defining an opening having a plurality of freewheel engaging splines.
申请公布号 US8696503(B2) 申请公布日期 2014.04.15
申请号 US201113037403 申请日期 2011.03.01
申请人 OISHI TOSHINARI;TOKUYAMA KOJI;HYOGO KEISUKE;SHIMANO INC. 发明人 OISHI TOSHINARI;TOKUYAMA KOJI;HYOGO KEISUKE
分类号 F16H55/12;F16H55/30 主分类号 F16H55/12
代理机构 代理人
主权项
地址