Metal halide lamp with frame members

Details Metal halide lamp with frame members Metal halide lamp with frame members

1998-08-18

2000-12-05

Day, Michael H.

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313 25, 313292, H01J 6134

Patent

active

061571318

ABSTRACT:
A quartz protective sleeve surrounding a ceramic metal halide arc tube is supported by a pair of frame members received inside the sleeve. A short frame member extends only partially into the sleeve, while a long frame member extends through the sleeve and includes a loop which engages a dimple at the top of the lamp envelope. The sleeve is fitted over the frame members, which are spring loaded apart. Axial positioning may be provided by terminals or other features fixed to the frame members. In an alternative embodiment, shoulders for positioning the sleeve and terminals for connecting to the arc tube are formed integrally with the frame members.

REFERENCES:
patent: 4843266 (1989-06-01), Szanto et al.
patent: 5594294 (1997-01-01), Duffy et al.
patent: 5670840 (1997-09-01), Lanese et al.
patent: 5719463 (1998-02-01), Hassink et al.
patent: 5731662 (1998-03-01), Parrott et al.

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