Component for a timepiece movement
US10635050B2 · kind B2 · utility
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1References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 7, 2017 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B43/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pivot arbor for a timepiece movement including at least one pivot made of a non-magnetic metal material at at least one of its ends in order to limit its sensitivity to magnetic fields. The non-magnetic metal material is a non-magnetic light metal or a non-magnetic alloy of the light metal, and at least the external surface of the pivot is coated with an anodic oxide layer of the material, obtained by anodic growth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.