Patent · US Expired

Circuit breaker operator with defeates interlock mechanism

US3980845A · kind A · utility

18Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1975
Grant dateSep 14, 1976
Priority date
Expiry dateMar 4, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H9/22
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotary handle operator mechanism is fixedly mounted in an enclosure having a circuit interrupter mounted therein on the rear wall thereof. The mechanism includes a main handle disposed outside the enclosure for manual operation and being keyed to a cam unit engaged with the circuit breaker handle. A latch unit, including a cover latch section, is provided with a notch formation and a cam formation that cooperate with a forwardly extending pin of the cam unit to provide a switch interlock and a cover latch release.

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