Electrical adapter plug

Details Electrical adapter plug Electrical adapter plug

1990-09-24

1992-07-21

Pirlot, David L.

Electrical connectors

With circuit component or comprising connector which fully...

Connector includes or covers additional component

439669, H01R 1368

Patent

active

051318695

ABSTRACT:
An electrical adapter plug having a body insertable into a mating socket sleeve of a vehicle lighter receptacle. The plug has a pair of ideally located circumferentially-spaced, retractable leaf-spring contacts projecting beyond the periphery of the plug body to establish improved retention and electrical contact between the adapter plug and the receptacle. The two contacts are preferably angularly spaced on the periphery of the plug at about 90.degree. and associated with projecting means located on the periphery of the plug body generally opposite the pair of contacts symetrically disposed on or about a line which bisects the space angle between the two contacts. An adapter plug fuse is retained in a socket defined by a fuse insert housed within a central cavity formed by the adapter plug. This fuse insert assists in holding two body halves together and also anchors the long leaf-spring contacts. The fuse insert enables the adapter plug body to be held together by a single fastening screw and locking fingers rather than cement, glue or welding. This screw and finger design permits repair of a defective plug which is not possible with cemented, glued or welded adapter-plug body sections.

REFERENCES:
patent: 1151800 (1915-08-01), Klein
patent: 2489037 (1949-11-01), Kailer
patent: 2954544 (1960-09-01), Focosi
patent: 3099505 (1963-07-01), Schwartz
patent: 3377610 (1968-04-01), Busch
patent: 3865463 (1975-02-01), Busch
patent: 4322122 (1982-03-01), Schwartz et al.

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