Key structure of keyboard
US12033815B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 2, 2021 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Sep 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2229/044
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard key structure comprises a lower casing, an upper casing, a press shaft and a spring; the lower casing comprises a base and two hooks extend upward from the base; the upper casing comprises a top wall, an annular peripheral wall around the periphery of the top wall, and a through opening from the top wall, and is further provided with two see-through slots arranged on both sides of the through opening and the hooks are buckled in the see-through slots so that the lower casing and the upper casing are assembled vertically to form an internal cavity; the press shaft is contained in the cavity, and the top of the press shaft passes through the through opening; and the spring is contained in the cavity and elastically supported between the lower casing and the press shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.