Electrical connectors – With coupling movement-actuating means or retaining means in... – Including lock for retaining means
Patent
1996-07-26
1998-08-04
Vu, Hien
Electrical connectors
With coupling movement-actuating means or retaining means in...
Including lock for retaining means
439236, H01R 3106
Patent
active
057885257
ABSTRACT:
An adapter for lamps and other electrical devices to be installed in standard lampsockets which prevents unauthorized removal of such lamps or other electrical devices. A screwshell means is placed upon a body member such that relative rotation between them is possible. A tool or key placed in aligned slots or keyways prevents relative rotation so that the adapter can be installed or removed from a lampsocket. The tool or key is then removed permitting relative rotation again, whereby the lamp or other electrical device cannot be removed from the lampsocket. Use of the tool or key fixes the two components with respect to one another and the adapter can be removed.
REFERENCES:
patent: 954823 (1910-04-01), Sargent
patent: 1506183 (1924-08-01), Kellner
patent: 1506184 (1924-08-01), Kellner
patent: 4750892 (1988-06-01), Santopietro
Balaban David B.
Newman Walter
Leviton Manufacturing Co. Inc.
Sutton Paul J.
Vu Hien
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