1976-11-29
1977-11-29
Lake, Roy
Geometrical instruments
H01R 1344
Patent
active
040602974
ABSTRACT:
The plug cap has a body with a pair of spaced-apart channels for receiving the prongs of a male electrical plug. A pair of legs are pivotally mounted on the body and are movable between locking and unlocking positions. Each leg carries a finger which enters the aperture of the prong on the associated electrical plug when the legs are in the locking positions thereof.
REFERENCES:
patent: 2654073 (1953-09-01), Katz
patent: 2732531 (1956-01-01), Janowiec
patent: 2733416 (1956-01-01), Evalt
patent: 2844805 (1958-07-01), Darrell
patent: 3192499 (1965-06-01), West
Blenner Henry E.
Marshall Bruce H.
Abrams Neil
Lake Roy
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