Keyboard device
US10720288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Dec 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2217/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard device includes a bottom plate, key caps, a circuit board, reset members, and assembly structures. The bottom plate has assembly regions. The key caps are above the bottom plate and correspond to the assembly regions. The circuit board is under the key caps. The key caps are abutted by the reset members. The assembly structures are between the bottom plate and the key caps. Each assembly structure includes an assembly member and a long rod. The assembly member is on the assembly region. The long rod is on the assembly member and is capable of moving up and down relative to the bottom plate. Each key cap includes a clamp portion. The clamp portion is on the long rod. The key cap is connected to the bottom plate via the clamp portion and is swingable about the long rod relative to the bottom plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.