Illumination – Light source and modifier – Including reflector
Patent
1992-11-18
1995-01-24
Bertsch, Richard A.
Illumination
Light source and modifier
Including reflector
362427, 362431, F21V 700
Patent
active
053846940
ABSTRACT:
A multi-purpose lamp (10) for outdoor use provides, as desired, a function of a pagoda lamp or of a projections lamp, or of a combined pagoda-projecting lamp.
It includes a pole (101) for insertion into the ground, a support 102 mounted on the pole (101) in desired angular position, a bulb (107) within the support (102), a lens (104) mounted on the support (102) above the bulb (107), a convex-concave reflector (113) mounted within the support (102) and disposed below the bulb (107), and two shades (105, 106) mounted on the support (102). The shades (105) is a pagoda-type shade which comprises another convex-concave reflector (117), so as, when the pagoda-type shade (105) is mounted on the support (102) to provide a pagoda lamp performance, the reflectors (113, 117) form a pair of spaced-apart convex-concave parabolic reflectors substantially parallel to each other.
The shade (106) is a ring-type shade. When the ring-type shade (106) is mounted on the support (102), the lamp (10) performs as a projecting lamp. When the ring-type shade (106) is mounted on the support (102), and the pagoda-type shade (105) is mounted above the ring-type shade (106), the lamp (10) performs as a combined pagoda-projecting lamp.
At least one surface (120, 121) of at least one reflector (113, 117) may include a plurality of reflecting facets (122), hereby providing different illumination patterns.
REFERENCES:
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patent: 4604680 (1986-08-01), Levin et al.
patent: 5134550 (1992-07-01), Young
patent: 5280417 (1994-01-01), Hall et al.
patent: 5297013 (1994-03-01), Hall et al.
Bertsch Richard A.
Bloom Leonard
Kocharov M.
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