Geometrical instruments
Patent
1983-10-31
1985-07-30
McQuade, John
Geometrical instruments
339 39, 339 90R, H01R 13625
Patent
active
045318000
ABSTRACT:
This invention consists of a device attachable to an electrical outlet and wall socket which will prevent babies and small children from pulling out the plug, inserting their fingers or other objects into the socket and onto the plug where they might receive a damaging electrical shock. In general the invention consists of an attachable receptacle plate with raised collars positioned upon the electrical wall outlet. A flexible split cap is positioned about the electrical cord and plug. The caps engage the collars in a locking relationship such that they can not be disengaged by a baby or small child. The caps attached to the collars by means of protruding stubs which are guided into tracks in the collars. In addition, flexible locking tab on the caps is forced inward when the cap is turned and pops outwardly in locking position through a hole in the collar. The cap can only be disengaged from the collar by pushing the locking tab inward and turning the cap. This can not be accomplished by a baby or infant, hence a small child is protected from shocking itself.
REFERENCES:
patent: 2716225 (1955-08-01), McCubbin
patent: 3030601 (1962-04-01), Krebs
patent: 3363216 (1968-01-01), Benedetto
patent: 3601757 (1971-08-01), Gober
patent: 4076360 (1978-02-01), Singh
patent: 4168105 (1979-09-01), Herrmann, Jr.
patent: 4359256 (1982-11-01), Gallusser et al.
patent: 4457571 (1984-07-01), Lavine et al.
McQuade John
Sterling Thomas E.
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