Electromagnetic switching apparatus
US5867079A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetic switching device including, in an envelope formed by a base (1) and an insulating casing (7), a contact holder (3) in which are housed contact bridges (4) featuring a moving lock (8) capable of immobilizing the contact holder (3), wherein the lock (8) and the insulating casing (7) have sliding assembly devices (74, 75) which move the lock (8) positively from the rest position towards the contact holder (3) in the locked position by moving the insulating casing (7) away from the base, and the sliding assembly devices (74, 74) move the lock (8) away from the contact holder positively from the locked position by moving the casing towards the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.