Wedge-base lamp and socket assembly

Details Wedge-base lamp and socket assembly Wedge-base lamp and socket assembly

1988-08-29

1990-06-12

Pirlot, David

Electrical connectors

With vitreous-type envelope

Having only two duplicate contacts arranged bilaterally...

439699, H01R 1700

Patent

active

049329014

ABSTRACT:
A single filament type wedge-base lamp has projections on opposite sides at opposite end portions of a flat base of the lamp, and the corresponding socket has a recess with clearance grooves corresponding in position to the projections. The socket for a double filament type wedge-base lamp has a recess without clearance grooves so that the single filament type wedge-base lamp, which has the projections thereon, is prevented from erroneously being inserted into the double-filament type lamp socket since the projections will interfere with the recess walls of the double-filament type lamp socket. If a double filament type lamp is inserted into the socket for a single filament type lamp, either one of the two filaments thereof will operate without posing a problem.

REFERENCES:
patent: 3048642 (1962-08-01), Parker, Jr.
patent: 3233207 (1966-02-01), Ahroni et al.
patent: 3399374 (1968-08-01), Pauza et al.
patent: 4152622 (1979-05-01), Fitzgerald
patent: 4171497 (1979-10-01), Shinoda
patent: 4759730 (1988-07-01), Sappington et al.

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