Switching device
US6034585A · kind A · utility
9Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1998 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Oct 21, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/546
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a switching device having a main electromagnetic drive for connecting and disconnecting a moving contact piece to fixed contact elements, and having an auxiliary electromagnetic drive which, in the event of an overload current flowing via the moving contact piece, in the ON state exerts an additional contact pressure of the contact piece on the fixed contact elements. A lever mounted in the moving contact carrier is also is provided to transmit the additional contact pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.