Reflector mount for an incandescent lamp having a planar filamen

Details Reflector mount for an incandescent lamp having a planar filamen Reflector mount for an incandescent lamp having a planar filamen

1991-03-18

1995-09-19

Yusko, Donald J.

Electric lamp and discharge devices

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

For filament

313115, H01J 188

Patent

active

054518296

ABSTRACT:
A single-ended halogen incandescent projector lamp having a reflector mount fixed to the lamp frame remote from a bi-planar filament array. The lamp has a lamp envelope with a pinch seal at one end and a fused tip portion at the other. The lamp frame has a pair of frame conductors extending longitudinally in the lamp vessel, a pair of transverse quartz bridges between which the filament array is supported, and a frame center support extending into the fused tip portion from the bridge closest to the fused tip portion. The reflector mount is a single length of wire having a center portion coiled about and slidable along the frame center support, and a pair of legs extending therefrom to which the reflector is secured. The coiled portion is welded to the top center support to hold the reflector in position. Damage to the filament during lamp assembly is avoided since the reflector mount is fixed to the top center support instead of the frame conductors.

REFERENCES:
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patent: 3441772 (1969-04-01), Cardwell, Jr.
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patent: 4145630 (1979-03-01), Decaro et al.
patent: 4658180 (1987-04-01), Ooms
patent: 4766339 (1988-08-01), Berry et al.
patent: 4897573 (1990-01-01), Ooms

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