Electrical disconnect locking device

Details Electrical disconnect locking device Electrical disconnect locking device

2007-05-01

2007-05-01

Friedhofer, Michael (Department: 2832)

Electricity: circuit makers and breakers

Switch activation inhibitor

Removable actuator

C200S043040

Reexamination Certificate

active

11174218

ABSTRACT:
An electrical disconnect locking device which can be installed at the weather head of a dwelling in order to connect and disconnect electrical flow from a power source to a dwelling. The locking device comprises a housing having rotating plates than can be rotated in a first direction to matingly engage a pair of female couplings such that electrical current flows freely and that can be rotated in a second opposite direction away from the pair of female couplings such that electrical current is disconnected. The locking device includes a unique key member which is configured to engage a rotating shaft which is in connection with the rotating plates. The use of the unique key member prevents unauthorized access to the locking device.

REFERENCES:
patent: 1377145 (1921-05-01), Briggs et al.
patent: 1437716 (1922-12-01), Briggs et al.
patent: 4381037 (1983-04-01), Cuneo
patent: 5595290 (1997-01-01), Hsieh

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