Mechanical assembly for ensuring electrical safety in a telephone set or terminal
US5022075A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Apr 12, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S70/72
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The mechanical safety assembly for a telephone set having a housing with a cover including a sliding lock for closing the cover (7). The lock includes an operating head (13) external to the body (1) of the telephone set or terminal. The head fits flush with the wall of the body (1) when in the closed position and leaving only smooth surface visible, one of said surfaces (23) being pierced with a hooking aperture (24) which is accessible by a tip (25) of a paperclip or ballpoint pen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.