Electrical wallplate fittings
US4245878A · kind A · utility
5Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1979 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | May 4, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical wallplate fitting comprising a base part, a cover rotatable through a predetermined angle between initial and final positions relative to the base to secure the cover mechanically to the base part and to release the cover from the base part, a plurality of first electrical contacts mounted on the base part at different radial distances from the axis of rotation of the cover, and a corresponding number of second contacts so positioned on the cover that when the cover is rotated from the initial to the final position the second contacts move along respective arcuate paths into contact with respective first contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.