Electric lamp with cementless attached base

Details Electric lamp with cementless attached base Electric lamp with cementless attached base

1979-03-20

1981-10-13

Demeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313318, 339144R, 339146, H01K 146

Patent

active

042950767

ABSTRACT:
To permit insertion of a halogen cycle lamp into a standard bayonet or sc-in socket, the glass press stem of the lamp is connected to a standard base by a resilient spring disk formed with a circumferentially notched or serrated edge fitting into the lamp base, the spring disk being formed with a central opening into which the lamp press stem fits, the press stem having wedge-shaped projections thereon which engage behind tabs projecting from the spring disk. Additional projections may be formed on the lamp for engagement with further tabs on the disk for proper centering of the bulb.

REFERENCES:
patent: 1865468 (1932-09-01), Gustin
patent: 2119681 (1938-06-01), McGowan
patent: 2157051 (1939-05-01), Birdseye
patent: 3739221 (1973-06-01), De Bleyker et al.
patent: 4119877 (1978-10-01), Grewe et al.

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