Electric control system with mechanical interlock
US4295053A · kind A · utility
30Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1979 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Oct 23, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric control system with mechanical interlock characterized by means for switching between normal and emergency supply lines extending to a load which comprise two parallel paths extending to the load which paths include spaced controlled devices, and mechanical interlock means between the several control devices for preventing closing of two or more control devices at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.