Invention Grant
- Patent Title: Crown protection device for wristwatch
- Patent Title (中): 手表防护装置
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Application No.: US10597867Application Date: 2005-02-01
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Publication No.: US07648266B2Publication Date: 2010-01-19
- Inventor: André Saunier
- Applicant: André Saunier
- Applicant Address: CH Le Locle
- Assignee: Tissot S.A.
- Current Assignee: Tissot S.A.
- Current Assignee Address: CH Le Locle
- Agency: Griffin & Szipl, P.C.
- Priority: EP04002939 20040210
- International Application: PCT/EP2005/000969 WO 20050201
- International Announcement: WO2005/088410 WO 20050922
- Main IPC: G04B37/00
- IPC: G04B37/00
Abstract:
The device includes a cover for concealing or revealing a crown, via a relative rotation of the crown and an external casing element. In a preferred embodiment, the cover is secured to a ring slide friction mounted in an annular groove at the base of the middle part and held in place by a washer provided with lugs in order to be screwed into the horns of the middle part.
Public/Granted literature
- US20090046542A1 Crown protection device for wristwatch Public/Granted day:2009-02-19
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