发明申请
- 专利标题： MAINSPRING FOR A MOVEMENT OF A TIMEPIECE AND METHOD FOR MANUFACTURING THE SAME
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申请号： US16210011申请日： 2018-12-05
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公开(公告)号： US20190187616A1公开(公告)日： 2019-06-20
- 发明人: Jonas VANNOD , Christian CHARBON
- 申请人： Nivarox-FAR S.A.
- 申请人地址： CH Le Locle
- 专利权人： Nivarox-FAR S.A.
- 当前专利权人： Nivarox-FAR S.A.
- 当前专利权人地址： CH Le Locle
- 优先权： EP17207752.1 20171215
- 主分类号： G04B1/14
- IPC分类号： G04B1/14 ; G04B1/18
摘要：
A mainspring including a spiral metal strip and a hooking area formed in an inner face of an inner end of the strip, the hooking area including at least one shaped portion and/or at least one cavity comprised in the inner face of the inner end.