Timepiece hand
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- THE SWATCH GRP RES & DEVELONMENT LTD
- Publication Date
- 2013-05-08
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a timepiece hand, wherein said hand is mounted to pivot about an axis in order to indicate a piece of information.
[0002] The technical field of the present invention is the technical field of precision machinery. Background technique
[0003] Timepieces having hands are known. These pointers consist of a rod whose length is much greater than its width, which itself is much greater than its thickness. These pointers include openings for pressing them onto the shaft so as to be mounted pivotable. In order to have thin and strong hands, hands formed of crystalline metals such as steel, copper, gold or even silicon or ceramics are provided. These pointers can be produced by laser or water jet machining or cutting thin sheets. They may also be molded, sintered or formed by material growth or deposition. These hands are then used, for example, to indicate hours, minutes and seconds, but also to perform certain functions, such...