Shutter mechanism for an enclosed electrical switchboard

Details Shutter mechanism for an enclosed electrical switchboard Shutter mechanism for an enclosed electrical switchboard

1977-10-20

1979-03-27

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

200 50AA, H02B 114

Patent

active

041469151

ABSTRACT:
An enclosed electrical switchboard, in which a circuit breaker including a movable contact is drawn out from or pushed in toward a stationary contact of a disconnecting switch, is provided with a cover for covering the stationary contact of the disconnecting switch. The cover is provided with a window facing the stationary contact, and a shutter cover is provided to close the window. A mechanism moves the shutter cover to close or clear the window in accordance with the draw out and push in movements of the circuit breaker.

REFERENCES:
patent: 3015756 (1962-01-01), Kreekon
patent: 3213222 (1965-10-01), Finley
patent: 3219771 (1965-11-01), Umphrey
patent: 3920939 (1975-11-01), Ciboldi

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