Multi-directional switch
US4687200A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1985 |
| Grant date | Aug 18, 1987 |
| Priority date | — |
| Expiry date | Aug 9, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2231/008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A four-directional switch which can be turned on and off in four directions, which comprises a base plate having a plurality of electrodes formed thereon, a key top having an indication showing predetermined four pressing directions in an identifiable manner, a support member constituting a fulcrum between the base plate and the key top, a plurality of conductive rubbers disposed opposing to the plurality of electrodes so as to be in electrical contact with corresponding ones of the electrodes, and a sustaining member having the plurality of conductive rubbers fixed thereto and having elastic force for sustaining the conductive rubbers so as not to be in contact with the electrodes when the key top is not pressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.