Electrical installation
US3960426A · kind A · utility
5Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1975 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Sep 24, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/35
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power take-off adaptor for a continuous outlet electrical supply installation has separate and independently manually rotatable shafts for operating contact fingers and mechanical fixing means respectively. The shafts have interengaging radial cam formations which prevent operation of the contact fingers except when the mechanical fixing means is operative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.