Electrical adapter

Details Electrical adapter Electrical adapter

1975-12-15

1978-06-06

Abrams, Neil

Geometrical instruments

339 84, 339154L, H01R 1720, H01R 3106

Patent

active

040933334

ABSTRACT:
An adapter for a conventional threaded electric light socket or the like having an external right hand threaded base for threading into a conventional socket. A locking tab on the base permits the adapter to be threaded into the socket and jams the threads of the socket to prevent its removal. The adapter has a cavity with an internal left hand thread for receiving an unconventional bulb or the like with a mating left hand threaded base. In one form, the adapter has a releasable lock structure for holding the adapter in the socket. A removal tool is used to release the lock structure to permit the adapter to be turned into and out of the socket.

REFERENCES:
patent: 348647 (1886-09-01), Weston
patent: 794458 (1905-07-01), Gollatz
patent: 1034151 (1912-07-01), Silbert
patent: 1082397 (1913-12-01), Blass
patent: 1540174 (1925-06-01), Mallett
patent: 1572906 (1926-02-01), Strongson
patent: 1621341 (1927-03-01), Vogt
patent: 1648916 (1927-11-01), Schmidt, Jr.
patent: 1675353 (1928-07-01), Kellner
patent: 2129379 (1938-09-01), Mollan
patent: 2194329 (1940-03-01), Sokoloff
Gold, Live & Learn Dept., The Washington Post, 8/2/66, pp. B10, 339-382.

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