Lamp device

Details Lamp device Lamp device

1996-07-23

1998-09-15

Sember, Thomas M.

Illumination

Light source and modifier

Ionized gas or vapor light source

362263, 362294, 31331808, 31331811, F21V 720

Patent

active

058069712

ABSTRACT:
A lamp device in which the lamp can be reliably held and moved for adjustment of its position with respect to a concave reflector without being damaged, and in which the position of the lamp can be adjusted with high accuracy is achieved by providing a concave reflector with a cylindrical neck in its center bottom area and a lamp in which there is a hermetically sealed portion on at least one of its ends, and which is arranged with the hermetically sealed portion inserted through the neck of the concave reflector. Furthermore, according to the invention, the lamp device has a lamp base which is attached on the hermetically sealed portion of the lamp, and which extends in the axial direction of the lamp, and has a sleeve component formed of a cylindrical reflector holding portion and a cylindrical lamp base holding portion that are integrally united as one-piece, and in which in the reflector holding portion the neck of the concave reflector is attached. According to the invention, the lamp base is attached in the lamp base holding portion of the sleeve component with an adhesive in the state in which it projects from the outer end thereof.

REFERENCES:
patent: 4423348 (1983-12-01), Greiler
patent: 4772989 (1988-09-01), Haraden
patent: 4774636 (1988-09-01), Gaugel et al.
patent: 5253153 (1993-10-01), Mathews et al.
patent: 5506464 (1996-04-01), Ooms

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