Safety plug-in jack base

Details Safety plug-in jack base Safety plug-in jack base

1975-06-25

1976-09-14

McGlynn, Joseph H.

Geometrical instruments

200 5109, H01R 1344

Patent

active

039803708

ABSTRACT:
An electrical outlet for receiving a pronged plug-in jack. The outlet has prong receiving sockets, one of which is live. A breaker switch is embodied in the outlet and located between the power supply and the live socket. The breaker switch, which is normally open and is closed only when the jack is plugged in to the socket, is actuated by the prongs of the jack. The outlet further comprises a lock which prevents unintentional closing of the breaker switch and which is released by the jack upon entering the socket.

REFERENCES:
patent: 2224366 (1940-12-01), Johnston

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