Switching device
US6580345B2 · kind B2 · utility
13Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jul 28, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/666
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching device includes a movable coil which is reinforced by a stiffener to increase the resistance of the movable coil to bending moments. The stiffener may include a nonmagnetic case which surrounds the movable coil. Alternatively or in addition, it may include a resin or other material encapsulating the movable coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.