Magnetic and/or electrostatic anti-shock device
US8579501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2011 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Apr 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B31/004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Anti-shock device for the protection of a timepiece component pivotally mounted between a first and a second end in a chamber. The component is freely mounted in the chamber between pole pieces, which are distinct from the component and located in proximity to the chamber and the device includes a device for attracting the first end held in abutment on only the first pole piece, and a device for attracting the second end towards a second pole piece, the devices for attracting the first end and the second end, which are of magnetic and/or electrostatic nature, can move along an axial direction between stop members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.