Vacuum switch tube
US4127755A · kind A · utility
1Cited by
0References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1976 |
| Grant date | Nov 28, 1978 |
| Priority date | — |
| Expiry date | Aug 2, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2033/66276
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a vacuum switch tube having an outer insulating member and a metallic protective screen surrounding internal switch contacts, an inner groove is provided within the insulator member to which is attached a ring-shaped mounting. A central portion of the protective screen has a protrusion in the shape of a circumferential corrugation or nub via which the screen attaches to the ring-shaped mounting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.