Keyswitch device
US11295909B2 · kind B2 · utility
0Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2021 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Mar 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2233/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyswitch device includes a connecting member and a keycap. The connecting member has an engaging shaft. The keycap includes a pressing body and a shaft hole structure. The pressing body has a bottom surface. The shaft hole structure is connected to the bottom surface and has an engaging trough and an inlet passage communicated with each other. The engaging shaft is rotatably engaged in the engaging trough. The inlet passage has a first inner wall and a second inner wall opposite and parallel to each other. The first inner wall and the second inner wall are inclined relative to the bottom surface of the pressing body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.