Electrical connectors – With contact preventer or retractable cover part – Movably mounted
Patent
1992-11-25
1994-01-11
Schwartz, Larry I.
Electrical connectors
With contact preventer or retractable cover part
Movably mounted
439188, H01R 1344
Patent
active
052776026
ABSTRACT:
This invention relates to an electrical plug and receptacle assembly and in particular to one including a housing divided into two separate chambers each having a slot, a pair of conducting clamps each fixedly mounted in one of the chambers of the housing and normally kept at a constant distance from the main conducting plates, a pair of main conducting plates each pivotally mounted in one of the chambers of the housing in such a way that each of the main conducting plates will contact a corresponding one of the conducting clamps when forced to turn outwardly, a pair of insulators each fixedly connected with an end of one of the conducting plates and just disposed against the slot of the housing, a pair of resilient members each urging one of the conducting plates inwardly against the central portion of the housing, a plug body having two blades, and a U-shaped sleeve with two prongs each having a longitudinal hole through which a corresponding one of the two blades of the plug body extends partially out of the sleeve when the plug body is inserted into the sleeve, and an inclined surface having a raised portion for engaging with a corresponding one of the insulators, whereby the electrical plug and receptacle assembly may provide greatest safety for the user.
REFERENCES:
patent: 3512043 (1970-05-01), Jaaksoo et al.
patent: 3781913 (1973-12-01), Wourdi
patent: 3982084 (1976-09-01), Cooperstein
patent: 4230386 (1980-10-01), Farnworth et al.
patent: 4758696 (1988-07-01), Gracer
Lei Alfred
Schwartz Larry I.
Vu Hien D.
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