Electrical switch
US7534972B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 11, 2007 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Oct 31, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical switch includes a housing (1) with a cavity, a plurality of stationary contacts (2) embedded in the housing, a metal dome (3) received in the cavity, a handle (4) disposed onto the metal dome, and a cover (5) mounted onto the housing. The stationary contacts include a central stationary contact (231) and a plurality of peripheral stationary contacts (221), and the dome includes an arcuate central portion (31) covering the central stationary contact and a circular side portion (32) contacting with the peripheral stationary contacts. The handle defines a connecting portion (443), the connecting portion is apart from the dome during operation of the handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.