Electrical contact switch device
US10580598B2 · kind B2 · utility
0Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2017 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Jan 11, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/54
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical contact switch device includes: a fixed contact; a movable contact configured to come into contact with and move away from the fixed contact; a casing configured to house the movable contact and the fixed contact inside, and the casing includes at least one micro opening whose opening area is 80 μm2 or less on an outer surface facing an outside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.