Electromagnetic relay
US10714289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2018 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Feb 28, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2050/446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal; a movable contact, a movable shaft with one end connected to the movable contact, and a coil spring placed between the movable contact and an insulating wall in a chamber in the housing. The coil spring configured to bias movable contact points toward the opposing fixed contact points. The movable contact includes a contact body which includes a connection hole configured to receive the movable shaft and allow the movable shaft to travel relatively in the contact movement direction. The movable shaft includes a second holder that together with the first holder retains the coil spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.