Illumination – Light modifier – Translucent or opaque
Patent
1997-06-10
1999-04-13
Husar, Stephen
Illumination
Light modifier
Translucent or opaque
362358, 362399, 362417, F21V 106
Patent
active
058936360
ABSTRACT:
A portable lighting fixture includes a removable light-diffusing covering of predetermined light transmission character that is maintained in a substantially-spherical shape by an underlying frame. The frame consists of cage formed of a pair of spaced-apart rings that are joined to one another by a plurality of ribs. A harp for positioning a light bulb engages both the upper and lower rings of the cage whereby the height of the harp defines that of the cage of the assembled frame. The heights of the ribs are such that, as the distance between the rings of the cage is compressed through interengagement to the harp, they define the desired spherical shape for mounting the light-diffusing covering.
REFERENCES:
patent: 3769504 (1973-10-01), Hesse et al.
patent: 4167034 (1979-09-01), Noguchi
patent: 4562521 (1985-12-01), Noguchi
Husar Stephen
Kramsky Elliott N.
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