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 代理人
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