Circuit breaker including independent link to operating handle
US6803536B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2003 |
| Grant date | Oct 12, 2004 |
| 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, separable contacts housed within the case, and an operating mechanism for opening and closing the contacts. The operating mechanism includes a first pivot, a catch link and a U-link. The catch link has a first end and a second end, is pivotally mounted to the first pivot at the first end of the catch link, and is pivotally mounted to the U-link at the second end of the catch link. An operating handle includes a first handle portion extending through an opening of the case, a second elongated arm portion within the case, and a second pivot between the first and second portions. An independent operating handle link has a first end and a second end, is pivotally mounted to the second pivot at the first end thereof, and is pivotally mounted to the first pivot at the second end thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.