Keyboard with an octagonal guide for a key
US8058579B2 · kind B2 · utility
1Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2010 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Jan 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A key module for a keyboard includes a key having a guiding plunger, and a key housing having a set of walls with an opening formed by the set of walls. The opening formed by the set of walls is configured to receive the guiding plunger. The set of walls includes at least eight guiding surfaces configured to contact the guiding plunger. The guiding plunger is configured to contact the eight guiding surfaces as the guiding plunger moves up and down in the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.