Interlocking operating mechanism for enclosed switchgear having

Details Interlocking operating mechanism for enclosed switchgear having Interlocking operating mechanism for enclosed switchgear having

1976-04-12

1978-02-14

Scott, James R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01H 920

Patent

active

040740919

ABSTRACT:
An operating mechanism for an enclosed circuit breaker is disclosed and comprises: a frame mounted within an enclosure; a linearly reciprocal handle slidably mounted to the frame for operating a circuit breaker within the enclosure and extending through an aperture in a door of the enclosure; and a latch pivotally mounted to the frame and cooperating with the handle and a catch on the door to perform interlocking functions whereby the door cannot be opened unless the handle is in an "off" position and whereby the handle cannot be moved to an "on" position unless the door is closed. A defeater is provided for manually pivoting the latch to defeat its interlocking functions.

REFERENCES:
patent: 3055995 (1962-09-01), Show
patent: 3192334 (1965-06-01), Dimond et al.
patent: 3274353 (1966-09-01), Daly et al.
patent: 3311720 (1967-03-01), Johnson
patent: 3324259 (1967-06-01), Chamberlin, Jr. et al.
patent: 3358094 (1967-12-01), Metz

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