Patent · US Expired

Mechanical assembly for ensuring electrical safety in a telephone set or terminal

US5022075A · kind A · utility

2Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 12, 1989
Grant dateJun 4, 1991
Priority date
Expiry dateApr 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.