Geometrical instruments
Patent
1975-07-02
1976-06-01
Lake, Roy
Geometrical instruments
339 75P, H01R 1358
Patent
active
039604322
ABSTRACT:
A strain reliever for an electric appliance cord for preventing application of the force applied to electric cord from disengaging the plug at the end of the cord from a socket or a receptacle. An apertured body secured to the receptacle cover plate and a ball chain one end of which is engagable in the apertures. The opposite end of the ball chain has a cord clip for engaging an electrical cord so that when the plug at the end of the cord is engaged in the receptacle any strain on the cord will be taken up by the chain, rather than by the plug-socket engagement.
REFERENCES:
patent: 2089665 (1937-08-01), Roberts et al.
patent: 2913791 (1959-11-01), Martin
patent: 3838383 (1974-09-01), Wilbur et al.
Hill Robert Charles
Jones DeWalden W.
Lake Roy
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