Safety electrical plug

Details Safety electrical plug Safety electrical plug

1975-03-10

1977-02-15

Smith, Jr., David

Electricity: circuit makers and breakers

Combined with or actuated by connector coupling

Multiple circuit control, selective

200 5107, H01R 1370

Patent

active

040083829

ABSTRACT:
An electrical plug adaptable for joining the conductors of an attached line cord to a socket, in which conducting elements are mounted on one or more discs rotatably mounted in the plug so that the plug conducts electricity only when the discs are rotated to a particular setting. The plug prevents unauthorized use, particularly by young children, when the discs are rotated off the particular setting.

REFERENCES:
patent: 1399120 (1921-12-01), Howard
patent: 1615245 (1927-01-01), Strauch
patent: 1760138 (1930-05-01), Hunt
patent: 1912252 (1930-05-01), Brown

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