发明名称 |
ANTI-ADHESION DEVICE FOR A BALANCE SPRING ON A BAR |
摘要 |
The invention relates to a timepiece movement including a resonator formed by the cooperation of a balance with a balance spring, said resonator being pivotally mounted between a bar and another part such as a bar or a main plate. According to the invention, the timepiece movement further includes a device preventing adhesion of said balance spring against said bar including a surface decreasing means formed on the bar for limiting the contact surface when the faces of said balance spring and of said bar touch each other. |
申请公布号 |
US2014341000(A1) |
申请公布日期 |
2014.11.20 |
申请号 |
US201414257146 |
申请日期 |
2014.04.21 |
申请人 |
ETA SA Manufacture Horlogere Suisse |
发明人 |
KLINGER Laurent;Conus Thierry |
分类号 |
G04B15/14 |
主分类号 |
G04B15/14 |
代理机构 |
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代理人 |
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主权项 |
1. A timepiece movement including a resonator formed by the cooperation of a balance with a balance spring, said resonator being pivotally mounted between a bar and another part, wherein the timepiece movement further includes a device for preventing adhesion of said balance spring against said bar including a surface decreasing means formed on the bar for limiting the contact surface when the faces of said balance spring and of said bar touch each other. |
地址 |
Grenchen CH |