Closing spring lock-out mechanism for an industrial rated circui

Details Closing spring lock-out mechanism for an industrial rated circui Closing spring lock-out mechanism for an industrial rated circui

1998-01-14

1999-11-09

Luebke, Renee S.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

H01H 300

Patent

active

059818883

ABSTRACT:
A circuit breaker contact spring blocking arrangement is by-passed by means of a lock-out system that interacts between the circuit breaker contact spring closing shaft and the circuit breaker closing lock-out system when the circuit breaker contacts are in the OPEN condition.

REFERENCES:
patent: 3084238 (1963-04-01), Baskerville
patent: 3095489 (1963-06-01), Baird
patent: 3729065 (1973-04-01), Baskerville et al.
patent: 4167988 (1979-09-01), Acampora et al.
patent: 4475021 (1984-10-01), Mochizuki et al.

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