Electric switch with rubbing contact
US9818553B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 2012 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Mar 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H1/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an electric switch with rubbing contact (3) comprising on the one hand at least one fixed contact (9) and on the other hand at least one moving rubbing contact (3) that can move along a predefined trajectory and exhibiting a contact surface (10) intended to rub on said at least one fixed contact (9), characterized in that at least said contact surface (10) is treated by ion bombardment by virtue of an ion beam, and in that the fixed (9) and moving (3) contacts are bare.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.