| 发明名称 |
Front derailleur with chainline controlling idler cog |
| 摘要 |
A front derailleur for shifting gears on a chain driven bicycle, the chain having a drive run and a return run from a plurality of chainwheels, uses a chain supporting idler cog to vertically control the chainline of the chain drive run and to also move transversely to shift the chain from one of the chainwheels to another.
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| 申请公布号 |
US6045470(A) |
申请公布日期 |
2000.04.04 |
| 申请号 |
US19980135280 |
申请日期 |
1998.08.17 |
| 申请人 |
TREK BICYCLE CORPORATION |
发明人 |
WILCOX, WESTON M.;BAUMANN, STEPHEN J. |
| 分类号 |
B62M9/131;B62M9/134;B62M9/136;(IPC1-7):F16H9/00 |
主分类号 |
B62M9/131 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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