Electromagnetic relay
US6933815B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2004 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Apr 22, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetic relay, which is excellent in assemblability and includes an indicator which can be operated smoothly, is provided. A coil block and a contact switching mechanism are provided on a base plate, a case is covered over the base plate, the coil block is excited and demagnetized to rotate a movable iron piece, and a movable contact piece is operated via a card, whereby a contact is opened and closed. Bearing portions are formed in the base plate, and an indicator is operated by rotation of the movable iron piece is also provide. The indicator has an elastically deformable structure including pivots which are rotatably supported by the bearing portions of the base plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.