Switch case and switch
US10854399B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2019 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Jul 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2229/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch case includes a first metal plate, a dome shape metal plate, and a second metal plate. The first metal plate includes a first ring in which a plurality of first recesses are arranged along the first ring shape, and a second ring in which a plurality of second recesses are arranged along the second ring shape. The second metal plate includes a third ring in which a plurality of third recesses are arranged along the third ring shape, and a fourth ring in which a plurality of fourth recesses are arranged along the fourth ring shape. A direction along a line passing through a center of the first ring and a center of the second ring is different from a direction along a line passing through a center of the third ring and a center of the fourth ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.