Environmental electric switch enclosure with viewing window
US5473129A · kind A · utility
6Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1993 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Oct 25, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/0292
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric disconnect switch enclosure for outdoor applications includes a viewing window to visually ascertain the ON-OFF conditions of the switch contacts without having to motivate the switch handle or open the enclosure door. The viewing window can be formed in the enclosure door in an automated manufacturing process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.