发明名称 |
CHAINRINGS AND CRANK ASSEMBLIES |
摘要 |
A chainring includes a first section having consecutive first teeth. Each of the first teeth includes a first load flank surface having a first wear resistance. The chainring also includes a second section coupled to the first section. The second section includes consecutive second teeth. Each of the second teeth includes a second load flank surface having a second wear resistance greater than the first wear resistance. The consecutive second teeth span an arc length corresponding to between one twelfth and one third of a circumference of a pitch circle of the chainring. |
申请公布号 |
EP3056419(A1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20160000359 |
申请日期 |
2016.02.12 |
申请人 |
SRAM, LLC |
发明人 |
MEDAGLIA, ANTHONY;WILSON, JOSEPH |
分类号 |
B62M3/00;B62M9/02;B62M9/10 |
主分类号 |
B62M3/00 |
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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