Component for a timepiece movement
US11092932B2 · kind B2 · utility
0Cited by
5References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2017 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B43/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a pivot arbor (1) for a timepiece movement comprising at least one pivot (3) made of a first non-magnetic metal material (4) at one of the ends thereof in order to limit the sensitivity thereof to magnetic fields. At least the outer surface of said pivot (3) is coated with a layer (5) of a second material selected from the group comprising Ni and NiP, and preferably chemical NiP.The invention concerns the field of timepiece movements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.