Key structure
US11450492B1 · kind B1 · utility
0Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2021 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Sep 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key structure includes a switch circuit layer, a pedestal and a keycap. The pedestal includes a protrusion part and a hollow part. The keycap includes a buffering hook and a locking hook. The pedestal is disposed on the switch circuit layer. The keycap is disposed within the hollow part of the pedestal. The buffering hook and the locking hook of the keycap are aligned with the protrusion part of the pedestal. While the keycap is moved in a direction away from the switch circuit layer, the buffering hook is contacted with the protrusion part and then the locking hook is contacted with the protrusion part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.