Contact pop responsive latch release for circuit breakers
US4346358A · kind A · utility
1Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1981 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Jan 16, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2071/2427
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rearward extension of a circuit breaker pivotally mounted movable contact arm is positioned, with the arm in its closed position, to engage a trip bar and trip the breaker in response to popping movement of the arm away from its closed position as induced by the flow of high level fault current. The trip bar is configured such that the circuit breaker is not tripped incident to manual operation of the movable arm between its open and closed positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.