Circuit breaker including extension spring(s) between operating mechanism pivot and operating handle
US6870115B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2003 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Oct 24, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/046
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker includes a case having an opening, separable contacts housed within the case, and an operating mechanism for opening and closing the separable contacts. The operating mechanism includes a pivot and a pair of extension springs for moving the operating mechanism to close the separable contacts. The operating mechanism also includes an operating handle for operating the operating mechanism. The operating handle includes a first handle portion extending through the opening of the case and a second portion having a pair of elongated arms within the case. The extension springs extend between the elongated arms and the pivot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.