Electric lamp and discharge devices – With envelope – Having base and connector
Patent
1998-01-15
1999-12-14
Day, Michael H.
Electric lamp and discharge devices
With envelope
Having base and connector
31331808, 31331805, 439612, H01J 550, H01K 142
Patent
active
060022000
ABSTRACT:
The capped electric lamp has a cap (3) secured to a sealed lamp vessel (1). The cap (3) has a housing (10) of metal sheet, having a cylindrical shell (11) and remote from the lamp vessel (1) an integral base (13) having an opening (14) therein. A cavity (15) is formed in the base (13) by deforming the base (13) in outward direction. An insulator plate (16) carrying a contact pin (4) and covering the opening (14) is secured in the cavity (15) by means of a folded seam (17) in the housing (10). The seam (17) presses against a side (18) of the insulator plate (16) which faces the lamp vessel (1).
REFERENCES:
patent: 2386190 (1945-10-01), Betts
patent: 2457789 (1948-12-01), von Scheven et al.
patent: 3808495 (1974-04-01), Win
patent: 5013962 (1991-05-01), Desclos
Keim Peter C.
Minderhoud Jan
Verburg Pieter
Day Michael H.
Faller F. Brice
U.S.Philips Corporation
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