Electric lamp and discharge devices – With envelope – Having base and connector
Patent
1985-04-12
1987-08-18
Moore, David K.
Electric lamp and discharge devices
With envelope
Having base and connector
362211, 362267, 362362, 439617, H01J 548, H01J 550
Patent
active
046879650
ABSTRACT:
The capped electric lamp according to the invention has a lamp cap (9) of synthetic material comprising a dish-shaped part (10) having a circular-cylindrical wall portion (11) with an axis (12) and a bottom (13), and further comprising a panel (16) in which contact members (20) are anchored and a sleeve-shaped part (17) which surrounds these contact members. There is fixed in the dish-shaped part (10) a metal sleeve (7) which is telescopically joined at one end (8) with a flanged edge (6) of a metal clamping plate (5) and is connected thereto, while a seal (2) of a lamp vessel (1) is fixed in an opening of this clamping plate. The lamp is of a simple construction that can be readily manufactured and permits of fixing an electric element (3) in a pre-determined position with respect to the lamp cap (9), which requires little space in the direction of the axis (12) because a plug-in member with connection terminals can be arranged at right angles to the axis (12), while the presence of the sleeve-shaped part (17) prevents corrosion of the contact members (20).
REFERENCES:
patent: 3808581 (1974-04-01), Murray
patent: 4119877 (1978-10-01), Grewe et al.
patent: 4199212 (1980-04-01), Baldyga
patent: 4396860 (1983-08-01), Hellwig et al.
patent: 4412273 (1983-10-01), Helbig et al.
patent: 4464007 (1984-08-01), Parmer
Sanders Rudolf
van Seggelen Godefridus G.
Moore David K.
Salindong Theodore
Treacy David R.
U.S. Philips Corporation
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