Operating apparatus for circuit breaker
US3943777A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1974 |
| Grant date | Mar 16, 1976 |
| Priority date | — |
| Expiry date | Aug 14, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/11
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker operating apparatus comprising an operating piston connected to an operating member for operating a breaking section, holding means for mechanically maintaining the operation-complete state of the operating piston at the time of completion of its operation, spring means for giving a restitutive force to the operating member, and means for releasing an operating medium acting on the operating piston at the time of completion of its operation. The holding means includes a first lever connected to the operating piston and a second lever having an end connected to the first lever and the other end adapted to be locked by lock means. The lock means is so simple as to be arranged at an optimum position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.