Geometrical instruments
Patent
1977-04-21
1978-04-25
Abrams, Neil
Geometrical instruments
339 91R, H01R 1354
Patent
active
040859916
ABSTRACT:
An electrical socket has a body with a pair of spaced-apart channels for receiving the prongs of a male electrical plug. A pair of electrical contacts are mounted in said body respectively adjacent to said channels and in communication therewith. 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 position thereof.
REFERENCES:
patent: 2732531 (1956-01-01), Janowiec
patent: 2844805 (1958-07-01), Darrell
patent: 2888662 (1959-05-01), Hammell
patent: 3182280 (1965-05-01), Daut et al.
patent: 3192499 (1965-06-01), West
Blenner Henry E.
Marshall Bruce H.
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