Method and device for locking

Details Method and device for locking Method and device for locking

2006-01-24

2006-01-24

Luebke, Renee (Department: 2833)

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

Reexamination Certificate

active

06989498

ABSTRACT:
The present invention concerns a method and a device for locking a disconnecting breaker. During locking of a single-poled or multiple-poled disconnecting breaker, the actuator of the breaker is first locked both electrically and mechanically. When the breaker is in the open position, the distance between the contacts of the breaker comprises the conductor spacing for the isolation function. The electrical and mechanical locking of the actuator is indicated both electrically and mechanically. Subsequently, the link system of the breaker is mechanically locked. The link system is locked in the interlocked position. Locking of the link system is indicated by at least one indicator. Locking of the actuator of the breaker can be controlled manually via a key- and lock device, or remotely.

REFERENCES:
patent: 4210788 (1980-07-01), Stranczek
patent: 5196658 (1993-03-01), Gula
patent: 5477016 (1995-12-01), Baginski et al.
patent: 5584378 (1996-12-01), Wecke et al.
patent: 5700985 (1997-12-01), Fischer et al.
patent: 5817998 (1998-10-01), Siebels et al.
patent: 30 25 174 (1982-01-01), None

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