Geometrical instruments
Patent
1978-01-31
1979-03-20
McGlynn, Joseph H.
Geometrical instruments
H01R 1354
Patent
active
041451058
ABSTRACT:
A device for preventing the accidental disconnection of electrical cords comprising a first section and a second section. The first section has a conical-shaped plug receptacle adapted to receive any of a plurality of different sized, commercially available electrical plugs and a detent slot for holding the cord affixed to the plug. The second section has a detent slot adapted to receive a second electrical cord having a mating plug thereon. An adjustable means connects the first and second sections together to thereby prevent the accidental disconnection of the plugs when they are in a mated position.
REFERENCES:
patent: 2406567 (1946-08-01), Schueneman
patent: 2725543 (1955-11-01), Tanner
patent: 2761109 (1956-08-01), Hacker
patent: 2913791 (1959-11-01), Martin
patent: 3014194 (1961-12-01), Berglund
patent: 3048810 (1962-08-01), Steen
Brown John S.
McGlynn Joseph H.
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