- 专利标题： DEVICE FOR WINDING A TIMEPIECE MOVEMENT
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申请号： US15667718申请日： 2017-08-03
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公开(公告)号： US20180046141A1公开(公告)日： 2018-02-15
- 发明人: Sergio de Almeida Graça , Vannina Linck
- 申请人： ROLEX SA
- 申请人地址： CH Geneva
- 专利权人： ROLEX SA
- 当前专利权人： ROLEX SA
- 当前专利权人地址： CH Geneva
- 优先权： EP16184191.1 20160815
- 主分类号： G04B3/00
- IPC分类号： G04B3/00 ; G04B27/04 ; G04B13/02
摘要：
A component of a winding device, in particular an automatic winding device, of a timepiece movement, wherein it is made of austenitic stainless steel and wherein it comprises at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.
公开/授权文献
- US11144011B2 Device for winding a timepiece movement 公开/授权日：2021-10-12
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