Invention Grant
- Patent Title: Split collet with a non-circular opening
- Patent Title (中): 用非圆形开口分开夹头
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Application No.: US13636384Application Date: 2011-03-24
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Publication No.: US09250610B2Publication Date: 2016-02-02
- Inventor: Jerome Daout
- Applicant: Jerome Daout
- Applicant Address: CH Geneva
- Assignee: ROLEX S.A.
- Current Assignee: ROLEX S.A.
- Current Assignee Address: CH Geneva
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: EP10405061 20100325
- International Application: PCT/CH2011/000061 WO 20110324
- International Announcement: WO2011/116486 WO 20110929
- Main IPC: G04B17/06
- IPC: G04B17/06 ; G04B17/34
Abstract:
A split collet in which the contour of the central opening that is intended to receive a balance staff is not circular. The collet is characterized in that the contour (3) of the central opening (2) comprises a limited number of supporting parts (4, 5, 12, 14, 15) intended to co-operate with the balance shaft, said number being greater than two.
Public/Granted literature
- US20130047437A1 SPLIT COLLET WITH A NON-CIRCULAR OPENING Public/Granted day:2013-02-28
Information query
