| 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 |
US2016238122(A1) |
申请公布日期 |
2016.08.18 |
| 申请号 |
US201514620535 |
申请日期 |
2015.02.12 |
| 申请人 |
SRAM, LLC |
发明人 |
Medaglia Anthony;Wilson Joseph |
| 分类号 |
F16H55/30;F16H55/12;B62M9/10 |
主分类号 |
F16H55/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A chainring, comprising:
a first section including consecutive first teeth, each of the first teeth including a first load flank surface having a first wear resistance; and a second section coupled to the first section, the second section including consecutive second teeth, each of the second teeth including a second load flank surface having a second wear resistance greater than the first wear resistance, wherein 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. |
| 地址 |
Chicago IL US |
