Electrical plug and socket arrangement

Details Electrical plug and socket arrangement Electrical plug and socket arrangement

1978-07-19

1980-01-29

Abrams, Neil

Geometrical instruments

200 5107, H01R 1344

Patent

active

041858816

ABSTRACT:
The invention relates to an electrical plug and socket arrangement. There is disclosed a plug and socket arrangement for use as a general purpose domestic electrical power outlet. The socket has a rotatable pin receiving portion which is rotatable from a first position wherein receptacles for receiving pins of the plug are electrically inactive to a second position wherein at least one receptacle is electrically active. The pin receiving portion can only be rotated to the second position when the pins are fully inserted therein because of a unique key arranged on the earth pin. The key also prevents any withdrawal of the plug in the second position, that is, when at least one of the pins is active and thus a completely child-safe plug and socket is provided.

REFERENCES:
patent: 3263037 (1966-07-01), Correnti
patent: 4037901 (1977-07-01), Kaszuba

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