Electromagnetic relay
US6924719B2 · kind B2 · utility
18Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2004 |
| Grant date | Aug 2, 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 reduces power consumption in a coil block and causes an indicator to operate 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. An indicator, which operates following movement of the card by the rotation of the movable iron piece, is provided between the coil block and the contact switching mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.