Electric lamp and discharge devices – With envelope – Having base and connector
Patent
1987-03-05
1987-12-22
Moore, David K.
Electric lamp and discharge devices
With envelope
Having base and connector
313331, 313317, 439611, H01J 548, H01J 550
Patent
active
047148586
ABSTRACT:
In certain electric lamps, the lamp cap has a rectangular metal sleeve (10), which is fixed around the pinch (3) of the lamp vessel (1). The sleeve (10) also surrounds an insulator body (12), which immovably encloses a contact member (13). The contact member (13) is secured to a current supply conductor (4) of the lamp. In the lamp according to the invention, the insulator body (12) is immovably held in the sleeve (10) by depressions (16) in the corners (14) of said sleeve, which engage a respective recess in the insulator body (12).
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Moore David K.
Razavi Michael
Treacy David R.
U.S. Philips Corporation
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