Mechanical key structure
US10242819B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2018 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Jan 9, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/016
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key structure includes a supporting plate, a triggering switch, a keycap and a soft element. The triggering switch is located over the supporting plate. The keycap is located over the triggering switch. When an external force is received by the keycap, the triggering switch is pushed by the keycap. The soft element is disposed on an inner surface of the keycap. When the soft element is contacted with the triggering switch, the soft element is subjected to deformation. When the soft element is contacted with the triggering switch, a portion of the triggering switch is inserted into the deformed soft element to limit a sliding action of the triggering switch. Consequently, the mechanical key switch provides enhanced tactile feel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.