Light permeable metal plated rubber key
US5911317A · kind A · utility
33Cited by
2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Aug 26, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The subject invention relates to a type of light permeable metal plated rubber key, comprising mainly a rubber key that is made of silicone rubber, or a key with a hardened head (hardness: SHORE D45 or higher); on top of the key is printed with light permeable ink, and processed with a metal plating to form a light permeable metal plated key; so designed to replace rubber keys, and keys with adhered rubber and silicone rubber, to reduce production costs, simplify production process, upgrade product added value and product reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.