Patent · US Expired

Electrical switch with rocker actuator having removable locking key

US4705920A · kind A · utility

9Cited by
18References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 8, 1986
Grant dateNov 10, 1987
Priority date
Expiry dateApr 8, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H27/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrical switch actuated by a longitudinally reciprocable electrical contact carrier, with such reciprocation being brought about by a two-piece rocker actuator with one of the actuator pieces comprising a removable locking key which when removed from the actuator assembly prevents movement of the contact carrier and thus prevents actuation of the switch.

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