Screw socket for an electric lamp

Details Screw socket for an electric lamp Screw socket for an electric lamp

1979-03-08

1981-03-24

McQuade, John

Geometrical instruments

339119L, 339176L, 339217S, H01R 1342

Patent

active

042576644

ABSTRACT:
A screw socket for use as a part of a lighting device such as a table or floor lamp or a ceiling or wall fixture. The screw socket includes a synthetic plastic screw husk having several new features, namely, (a) two one-piece metal strips, each of which at one end is formed into a contact for the screw thread base of a lamp and at the other end is formed into a push-type power termination for connection to the bare core of a sheathed electric conductor, each strip further including anchoring means, and additionally comprising locating means to inhibit twisting of the strip, (b) a hickey including a longitudinally gapped threaded nipple formed in one piece with an offset footed pedestal, (c) raised wiring bosses containing the push-type power terminations, and (d) alternately, instead of or in addition to the anchoring means and the locating means in one piece with each strip, a wedging means to accomplish the same functions.

REFERENCES:
patent: 2721985 (1955-10-01), Gilbert
patent: 2975392 (1961-03-01), Ludwig
patent: 2988725 (1961-06-01), Vallee
patent: 3060399 (1962-10-01), Pistey
patent: 3206710 (1965-09-01), McLaughlin
patent: 3783435 (1974-01-01), Fisher
patent: 3967873 (1976-07-01), Schumacher

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