Jack
US4493526A · kind A · utility
16Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1983 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Jan 17, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R2107/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a jack in which a movable contact piece mounted therein is displaced by a plug inserted thereinto and a coiled spring for supplementing the resiliency of the movable contact piece is interposed between a movable part of the movable contact piece and the body of the jack, there is disposed a spring holder between the movable part and the body, whereby the coiled spring is held and excessive displacement of the movable part is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.