Invention Grant
- Patent Title: Timepiece with rotatable crown having tactile feel
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Application No.: US16291881Application Date: 2019-03-04
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Publication No.: US11042122B2Publication Date: 2021-06-22
- Inventor: Katsunobu Iguchi
- Applicant: Seiko Instruments Inc.
- Applicant Address: JP Chiba
- Assignee: Seiko Instruments Inc.
- Current Assignee: Seiko Instruments Inc.
- Current Assignee Address: JP Chiba
- Agency: Brinks Gilson & Lione
- Priority: JPJP2018-039913 20180306
- Main IPC: G04B3/04
- IPC: G04B3/04

Abstract:
A timepiece which provides a tactile feel in a simple structure and which can suppress inadvertent rotation of a driving crown is to be provided. A wristwatch includes an elastic material winding stem pipe protruding on the outer side of a case and a distal end portion of which is capable of elastic deformation in a radial direction; a shaft member of a driving crown rotatably inserted into the elastic material winding stem pipe; protrusions formed on the peripheral surface of the driving crown; and trough portions formed in the peripheral surface of the elastic material winding stem pipe and configured to be engaged with the protrusions.
Public/Granted literature
- US20190278226A1 TIMEPIECE Public/Granted day:2019-09-12
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