Invention Grant
- Patent Title: Device that assists in maintaining the position of a date indicator disc for a timepiece
- Patent Title (中): 有助于维持时计的日期指示盘的位置的装置
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Application No.: US12604796Application Date: 2009-10-23
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Publication No.: US08040759B2Publication Date: 2011-10-18
- Inventor: Julien Chaignat
- Applicant: Julien Chaignat
- Applicant Address: CH Grenchen
- Assignee: ETA SA Manufacture Horlogère Suisse
- Current Assignee: ETA SA Manufacture Horlogère Suisse
- Current Assignee Address: CH Grenchen
- Agency: Griffin & Szipl, P.C.
- Priority: EP08167519 20081024
- Main IPC: G04B19/20
- IPC: G04B19/20 ; G04B19/06
Abstract:
Device that assists in maintaining the position of a date indicator disc (2; 3) for a timepiece, the position of the date indicator disc (2; 3) being indexed by a jumper spring (50; 50′), said device being characterized in that it includes a locking member (52; 52′) which, outside the date indication correction phases, keeps the jumper spring (50; 50′) locked, said locking member (52; 52′) moving away in the date indication correction phase to release the jumper spring (50; 50′).
Public/Granted literature
- US20100103780A1 DEVICE THAT ASSISTS IN MAINTAINING THE POSITION OF A DATE INDICATOR DISC FOR A TIMEPIECE Public/Granted day:2010-04-29
Information query
