Mechanical interlock for low voltage circuit breakers
US4286242A · kind A · utility
25Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Sep 17, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric control system characterized by a pair of spaced circuit breakers and a mechanical interlock therebetween, each circuit breaker having a pair of stationary and movable contacts and a trip bar for opening the contacts, and the interlock extending between the movable contact means of each movable contact of one circuit breaker and the trip bar of the other circuit breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.