Patent · US Expired

Interlock push-push switch device

US4692573A · kind A · utility

7Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1985
Grant dateSep 8, 1987
Priority date
Expiry dateDec 17, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H13/56
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A switch device comprises a dual push-push type switch device wherein each switch includes a cam protrusion that engages a downwardly inclined end portion of a lock pin when the switch is in a release position so that in the event of the depression of both switches simultaneously the top end portion of each of the lock pins slides over the cam protrusion of a respective operating piece.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.