Vented pressure switch apparatus
US5308940A · kind A · utility
2Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1993 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | Jun 8, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H35/346
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch having first and second housing members 12, 14 sandwiching a combination terminal and disc seat member 30 has a tortuous vent path 64, 66 and 68 formed through first and second, annular bearing surfaces 60, 62 in the top surface of the second housing member. The terminal and disc seat member 30 and top surface 42 of the second housing member are configured such that an interference fit is formed between the terminal and the disc seat member 30 and the second, annular bearing surface 62.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.