Electrical receptacle having zero potential until an electrical plug is positioned therein and including circuit breaker means

Claim 1

AN ELECTRICAL RECEPTACLE COMPRISING: MEANS FORMING OUTLET TERMINALS FOR ENGAGEMENT WITH A REMOVABLE ELECTRIC PLUG, A POWER DELIVERY CIRCUIT CONNECTED TO SAID OUTLET TERMINALS FOR DELIVERING ELECTRICAL POTENTIAL TO SAID OUTER TERMINALS ONLY WHEN SAID PLUG IS ENGAGED THEREWITH INCLUDING A PAIR OF NORMALLY OPEN ELECTRICAL CONTACTS, MEANS MOUNTING SAID CONTACTS FOR RELATIVE MOVEMENT FROM A CLOSED POSITION FOR DELIVERING ELECTRICAL POTENTIAL TO SAID TERMINALS TO AN OPEN POSITION TO PREVENT DELIVERY OF ELECTRICAL POTENTIAL TO SAID TERMINALS WHEN SAID PLUG IS NOT IN ENGAGEMENT THEREWITH, MOTION TRANSMITTING MEANS ENGAGEABLE WITH THE PRONGS OF SAID REMOVABLE PLUG WHEN SAID PLUG IS ADJACENT SAID TERMINALS FOR CLOSING SAID CONTACTS UPON THE RETRACTION AND REINSERTION OF SAID PLUG IN SAID TERMINALS, AND MEANS IN SAID CIRCUIT FOR OPENING SAID CONTACTS WHEN SAID CIRCUIT CARRIES A CURRENT FLOW ABOVE A PREDETERMINED TERMINAL VALUE AND SAID PLUG IS IN ENGAGEMENT WITH SAID TERMINALS.