Switchgear shutter

Details Switchgear shutter Switchgear shutter

1981-09-16

1983-11-22

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

361345, H01H 922, H02B 114

Patent

active

044171080

ABSTRACT:
There is provided by this invention a novel switchgear shutter design employing curvilinear displaced shutter means which provide an entirely metallic grounded surface between the potentially live contacts and the front of the compartments. This novel shutter means is disposed to move to a safe and effective distance away from live electrical ports when the circuit breaker is moved into its normal operating position.

REFERENCES:
patent: 1566935 (1925-12-01), Trenchman et al.
patent: 1718501 (1929-06-01), Trenchman et al.
patent: 3213222 (1965-10-01), Finley et al.
patent: 3614350 (1971-10-01), Eichelberger et al.
patent: 4183073 (1980-01-01), Clausing

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