Cable connected drawout switchgear

Details Cable connected drawout switchgear Cable connected drawout switchgear

1977-09-26

1979-05-15

Scott, James R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01H 920

Patent

active

041549937

ABSTRACT:
A drawout switchgear assembly which can be disconnected from a shielded cable electric distribution system under energized cable conditions. Each of the switchgear source and load bushings is held within a stationary cable connector with sufficient pressure exerted by the switchgear drawout operating mechanism to maintain a waterproof, fully shielded connection. Each stationary cable connector includes a current exchange bayonet member carrying a louvered band having resilient contact fingers which engage the movable switchgear bushing rod within a cavity of this rod for receiving the bayonet member. A switchgear drawout operating mechanism includes a mechanical interlock which allows withdrawal or reconnection of the switchgear only when the switchgear is in its open position.

REFERENCES:
patent: 3453587 (1969-07-01), Neidecker
patent: 3595984 (1971-07-01), Tachick
patent: 3783209 (1974-01-01), Cleaveland et al.
patent: 3814881 (1974-06-01), Cherry et al.
patent: 3930709 (1976-01-01), Stanger et al.

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