Circuit breaker alarm-switch operating apparatus
US4987395A · kind A · utility
4Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1990 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Apr 19, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2071/508
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An alarm switch operating apparatus for operating a plurality of circuit breaker alarm switches wherein a circuit breaker crossbar is further rotated from a tripped position by a rotation of a latch through a latch receiver during a tripping operation such that an alarm switch actuator is operated by the crossbar and wherein because the insulating bar of the crossbar extends across the left and right poles of the circuit breaker, the plurality of alarm switches are easily provided without damaging the insulation of the alarm switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.