Cover Shroud
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US $113.95
versatile flood light fixtures
Described is an adjustable flood light fixtures suitable for outdoor use which can adjustably cut-off unwanted glare through the use of a truncated cone shroud which can be rotated 360°.
1. An adjustable outdoor flood light , comprising:
a housing having an open end and an interior;
a shroud inserted onto said open end of said housing, said shroud having a slanted outer edge, and at least one threading portion, said threading portion forming a circumferential trench;
a cover lens mounted within said shroud at an angle greater than about a 10° angle from a vertical plane of said open end of said housing; and
a shroud securing means, said shroud securing means for securing said shroud via said at least one threading portion for adjusting said shroud along said trench throughout its 360° circumference.
2. The adjustable outdoor flood light of claim 1, further comprising a plurality of lamp supports in said interior of said housing, said lamp supports each having a breakable finger, said finger capable of being cut off for placing an insert between a lamp mounted in said housing and said lens.
3. The adjustable outdoor flood light of claim 2, wherein said insert is louver or a filter.
4. The adjustable outdoor flood light fixtures of claim 1, wherein said shroud further comprises a plurality of lamp ramps for centering a lamp into said interior of said housing.
Outdoor flood lights are known such as disclosed in U.S. Pat. Nos. 3,610,915, 3,919,542, 4,164,784, 4,709,312, 5,086,379 and 5,158,348. U.S. Pat. No. 3,711,702 describes a floodlight having an outer cowling and a front lens cover which could form a weatherproof seal. U.S. Pat. No. 3,895,227 describes a floodlight having an optical assembly connected via a casing to a weatherproof ballast assembly. These patents are typical of the art which feature attempts at tight, waterproof seals with no real emphasis on aiming or adjustment for the flood light to avoid glare.
When conventional floodlights are aimed at a target to be illuminated, glare is often present when a person looks towards the source of the light. Fixtures taught by the prior art do not have features for easily adjusting the angle and direction of illumination once the fixture is mounted (usually to the ground) to avoid this unwanted glare.
Glare can also be accentuated by weather residues and debris which often collect on the lens covers of known flood light fixtures such as when precipitation lands on the lens, evaporates with the heat from the lamp and leaves behind cloudy remnants. For example, U.S. Pat. Nos. 4,288,846, 4,323,953 and 4,695,930 describe state-of-the-art flood light fixtures having housing assemblies which are designed for outdoor mounting, but which do not feature any solutions to the problems associated with glare which is accentuated by weather residues and debris. The present invention addresses the problems hereinabove identified.
he present invention is an adjustable, outdoor flood light fixtures comprising a lamp housing having an optional, slanted shroud which is rotatable 360°. This rotation of the slanted shroud allows glare reducing adjustment of the fixture even after the fixture is aimed and permanently mounted. The slanted, rotatable shroud allows physical adjustment of relatively small increments in light direction for avoiding glaring effects without loss of primary illumination to the intended target.
Additional features include breakaway lamp holder fingers at the ends of the lamp support within the fixture's housing for use of an optional louver or filter. The optional louver provides a glare shield through physical changes in the direction of light emanating from the lamp and passing through the louver. The optional filter, such as one that is colored, cuts glare through changes in wavelength of light emanating from the lamp and passing through it.
A further feature is the use of a slanted cover lens. Dust, moisture and weather debris often collect on cover lenses which are used for protecting lamps against such elements. As explained in the Background, such elements leave behind a cloudy film which detracts from illumination and exacerbates any pre-existing glare problems especially when precipitation evaporates with the heat from the lamp. The use of a slanted lens in the present invention addresses such problems. Moisture quickly runs off the slant carrying with it debris which avoids the residue effects ever-present in known fixtures.
Accordingly, the invention is an adjustable outdoor flood light fixtures comprising a housing having an open end and an interior area with a shroud adjustably inserted onto the open end of the housing. The shroud has two ends, with a slanted outer edge on a first end, and at least one threading portion which forms a circumferential trench on the second end of the shroud.
The trench allows for adjustment of the shroud along its 360° circumference to accommodate the glare cut-off. A shroud securing means such as screw is used to secure the shroud on the circumferential trench after adjustment. The cover lens is mounted within the shroud at an angle greater than about a 10° angle from a vertical plane of the open end of the housing allowing for the slant and self-washing capability of the cover lens.
The adjustable outdoor flood light fixtures further comprises a plurality of lamp supports in the interior of the housing. These lamp supports each have a breakable finger capable of being cut off for placing an insert between a lamp mounted in the housing and the lens. The insert, as stated above, is usually a louver or a filter for reducing glare. The adjustable outdoor flood light further comprises a plurality of lamp ramps formed on the shroud which automatically center a lamp inserted in the housing.
About the Author
Described is an adjustable flood light fixtures suitable for outdoor use which can adjustably cut-off unwanted glare through the use of a truncated cone shroud which can be rotated 360°.
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