Electrical switching apparatus and link assembly therefor
US9000316B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2013 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Nov 8, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A link assembly is for an electrical switching apparatus, such as a circuit breaker. The circuit breaker includes a housing, separable contacts enclosed by the housing, and an operating mechanism for opening and closing the separable contacts. The operating mechanism includes a movable contact arm. The separable contacts comprise a stationary contact and a movable contact. The movable contact is disposed on the movable contact arm. The link assembly includes a pivot assembly pivotably coupled to the movable contact arm, a link element pivotably coupled to the pivot assembly, and a biasing element, such as a spring. A first end of the spring is coupled to the link element, and a second end of the spring is coupled to the circuit breaker housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.