| 发明名称 |
BICYCLE REAR SPROCKET ASSEMBLY |
| 摘要 |
A bicycle rear sprocket assembly has a rotational center axis. The bicycle rear sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a first sprocket body and a first chain-engagement structure. The first sprocket body is made of a non-metallic material. The first chain-engagement structure is made of a metallic material and is configured to engage with a bicycle chain. The second sprocket includes a second sprocket body and a second chain-engagement structure. The second sprocket body is made of a non-metallic material and attached to the first sprocket body. The second chain-engagement structure is made of a metallic material and is configured to engage with the bicycle chain. |
| 申请公布号 |
US2016272279(A1) |
申请公布日期 |
2016.09.22 |
| 申请号 |
US201615168214 |
申请日期 |
2016.05.30 |
| 申请人 |
SHIMANO INC. |
发明人 |
YOSHIDA Toyoshi;OISHI Toshinari;FUKUMORI Tsuyoshi |
| 分类号 |
B62M9/10;F16H55/30 |
主分类号 |
B62M9/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A bicycle rear sprocket assembly having a rotational center axis, the bicycle rear sprocket assembly comprising:
a first sprocket including
a first sprocket body made of a non-metallic material, anda first chain-engagement structure made of a metallic material and configured to engage with a bicycle chain; and a second sprocket including
a second sprocket body made of a non-metallic material and attached to the first sprocket body, anda second chain-engagement structure made of a metallic material and configured to engage with the bicycle chain. |
| 地址 |
Sakai City JP |
