Invention Grant
- Patent Title: Control crown for a timepiece
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Application No.: US16988779Application Date: 2020-08-10
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Publication No.: US11243498B2Publication Date: 2022-02-08
- Inventor: Karol Kwiecinski , Gilles Vuilleumier
- Applicant: The Swatch Group Research and Development Ltd
- Applicant Address: CH Marin
- Assignee: The Swatch Group Research and Development Ltd
- Current Assignee: The Swatch Group Research and Development Ltd
- Current Assignee Address: CH Marin
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP19210665 20191121
- Main IPC: G04B37/10
- IPC: G04B37/10 ; G04B3/04

Abstract:
A control crown for a timepiece, capable of cooperating, in order to maneuver a control rod, with a middle including a recess along an axis receiving a tube included in the crown, which includes a crown body capable of rotating covering both the rod and the tube, which includes a hollow to allow the rod to pass and/or be guided in rotation, the crown includes a closing cap fastened to the tube in a fixed angular position relative to the middle by the cooperation between indexing device of the tube and complementary indexing device of the closing cap, to axially enclose the crown body between the middle and the closing cap.
Public/Granted literature
- US20210157276A1 CONTROL CROWN FOR A TIMEPIECE Public/Granted day:2021-05-27
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