Key switch device
US7199320B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2006 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/122
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A first bearing member is provided on one of an upper face of a board member and a lower face of a key top member. A first guide member is provided on the other one of the upper face of the board member and the lower face of the key top member. A first link member is disposed between the board member and the key top member, and has a first end portion rotatably supported by the first bearing member and a second end portion engaged with the first guide member. The first link member is pivotable in a first direction about the first end portion thereof to allow the key top member to move in a vertical direction. The second end portion of the first link member is slidable relative to the first guide member in a horizontal direction in accordance with the movement of the key top member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.