Vibration, shock and heat-resistant lamp-base combination struct

Details Vibration, shock and heat-resistant lamp-base combination struct Vibration, shock and heat-resistant lamp-base combination struct

1991-07-08

1992-10-06

DeMeo, Palmer C.

Electric lamp and discharge devices

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

With vibration damping device

313318, 313579, H01J 548, H01J 550

Patent

active

051534800

ABSTRACT:
To improve shock and vibration resistance and heat dissipation of an attaent element (1) coupling the pinch seal (3) of a halogen incandescent lamp (2) to a plastic base (6), the attachment element is formed of two identical half-sections, surrounding the pinch seal in the shape of a cuff (4) and connected to a flange or skirt by an intermediate heat dissipation and shock absorbing portion (7, 11, 12, 13, 14). Preferably, the intermediate portion forms a connecting section, which can be bent into U or double U configuration off the upper region of the flange or skirt portion (8a, 8b), to provide a large heat radiating surface while retaining the pinch seal of the lamp between undulating sheet-metal portions. Preferably, the attachment element is made of unitary sections of high-quality specialty steel.

REFERENCES:
patent: 4463278 (1984-07-01), Kosmatka et al.
patent: 4740876 (1988-04-01), Roller
patent: 4751421 (1988-06-01), Braun et al.
patent: 4769574 (1988-09-01), Nagasawa et al.
patent: 5041955 (1991-08-01), Devir et al.

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