Low-travel key mechanisms with butterfly hinges
US9761389B2 · kind B2 · utility
14Cited by
185References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2016 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Sep 14, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2237/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key mechanism can include one or more butterfly hinges. Each butterfly hinge includes a double wing design operative to move between a depressed position and non-depressed position. Hinged coupling mechanisms couple respective arms of the wings together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.