Safety electric receptacle and the plug

Details Safety electric receptacle and the plug Safety electric receptacle and the plug

1975-08-18

1978-09-12

Lake, Roy

Geometrical instruments

339176P, H01R 1354

Patent

active

041133366

ABSTRACT:
The safety electric receptacle and plug by which the completion of an electrical circuit is impossible until the plug makes a rotation of lateral translation after inserting into receptacle is disclosed. The apparatus utilizes a plug on which two blade conductors make a perpendicular position with the plug. Two conductors in the receptacle are installed at the place where don't touch with the inserted plug directly at first. There are two implementations of this device. First, the inserted plug rotates in the receptacle to conduct the electric current. Second, the inserted plug translates laterally in the receptacle to conduct the electric current. So that until predetermined operation has been performed, this apparatus will not conduct electricity. Hence, a child who inserts some conductive article into the receptacle can be kept in safety situation. Just only one sort of plug is necessary in using these two different receptacles. The insertion of the plug don't be easily pulled from the receptacle in this invention for avoiding the unintentionally breaking an electrical circuit.

REFERENCES:
patent: 2926327 (1960-02-01), Metelli
patent: 3407376 (1968-10-01), Martin
patent: 3775726 (1973-11-01), Gress

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