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US4612427A · kind A · utility
2Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | Sep 16, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention aims at the reduction of stationary contact element wear and at realizing a significant improvement in the interrupting capability by providing a stationary contact having a hollow cut-out portion formed therein in the vicinity of the portion at which said contact element is joined, and an arc runner electrically connected to said stationary contact at an edge of said hollow cut-out portion closest to said contact element, the arc runner being extended above said hollow cut-out portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.