| 发明名称 | Balance wheel assembly with optimized pivoting | ||
| 摘要 | A balance wheel for timepiece movement, which obeys the following condition: D5·f/I≦20·10−2m3kg−1s−1 ;where D is the diameter of the balance wheel, f is the frequency and I is the moment of inertia. | ||
| 申请公布号 | US9016933(B2) | 申请公布日期 | 2015.04.28 |
| 申请号 | US201213556699 | 申请日期 | 2012.07.24 |
| 申请人 | Rolex S.A. | 发明人 | Cettour-Baron Raphael;Rudaz Denis |
| 分类号 | G04B17/00;G04B17/06 | 主分类号 | G04B17/00 |
| 代理机构 | Westerman, Hattori, Daniels & Adrian, LLP | 代理人 | Westerman, Hattori, Daniels & Adrian, LLP |
| 主权项 | 1. A balance wheel-spiral assembly for timepiece movement, which obeys the following condition: D5·f/I≦20·10−2m3kg−1s−1 where D is the diameter of the balance wheel, f is the frequency of the balance wheel-spiral assembly, and I is the moment of inertia of the balance wheel. | ||
| 地址 | Geneva CH | ||