Electrical connectors – With sealing element or material for cooperation with... – With helically threaded coupling movement-actuating means or...
Patent
1994-05-05
1995-10-03
Howell, Daniel W.
Electrical connectors
With sealing element or material for cooperation with...
With helically threaded coupling movement-actuating means or...
439320, H01R 16622
Patent
active
054547288
ABSTRACT:
Disclosed is a locking connector for an extension power cord for providing a liquid resistant positive locking plug and receptacle combination whereby preventing unwanted separation of a plurality of connected together extension power cords. The locking connector is suitable for home and commercial use, indoors and outdoors. The locking connector for an extension power cord comprises a male electrical power plug assembly having a cylindrical body with external threads formed thereon and a female electrical power receptacle assembly having a captivated internally threaded locking sleeve engagable with the plug threads. The plug and receptacle are operably connected to opposing ends of an elongated multiconductor power cord. When locked together, planar front facing surfaces are sealed with an o-ring to resist liquid entry. Male electrical connector prongs project from the plug body and female sockets extend into the receptacle body in a conventional arrangement for providing electrical and mechanical interoperation with existing conventionally configured power plugs and receptacles.
REFERENCES:
patent: 2306821 (1942-12-01), Markey
patent: 2739290 (1956-03-01), Child et al.
patent: 3445805 (1969-05-01), McLoad
patent: 4540230 (1985-09-01), Iverson et al.
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