Indicator reset tool, and circuit breaker and method employing the same
US6639492B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2003 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jan 15, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2300/056
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An indicator reset tool is for a movable arc fault indicator of a circuit breaker. The circuit breaker further includes a housing enclosing separable contacts, an operating mechanism for opening and closing the separable contacts, and an operating handle protruding through an opening in the housing. An actuator actuates the movable indicator arc fault indicator and actuates the operating mechanism to trip the separable contacts open. The indicator reset tool includes a reset member having a first end with an indicator engaging portion structured to depress and reset the movable arc fault indicator. The second end of the reset member includes a handle portion for gripping by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.