Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Patent
1986-01-09
1987-02-24
Nelli, Raymond A.
Illumination
Light source and modifier
With ventilating, cooling or heat insulating means
362362, 362293, F21V 900, F21V 2900, A47G 3316
Patent
active
046462147
ABSTRACT:
A miniature lighting instrument for high quality architectural and display purposes features a sectionalized coaxial configuration. A base body, available with either a side- or rear-entry mounting adaptor, either fixed or swivel, is threadedly coupled to a midsection body available with a choice of smooth surface, lateral cooling ribs or fluted cooling ribs. The midsection body encloses an optical quality low voltage prefocused reflector type lamp. A selection of front barrels is available for threadedly coupling onto the front of the midsection body. The selection includes a long barrel for narrow-beam spotlighting, a short barrel for wide-beam floodlighting, a side-throw barrel for ultra-wide-angle floodlighting, and a projector barrel assembly with a front mounted lens and adjustable threaded mid-coupling for focusing. The many combinations made available by flexible interchangeability allow a lighting designer to customize the light instrument for particular tasks and to create novel and unusual artistic lighting display effects.
REFERENCES:
patent: 3299884 (1967-06-01), Moore et al.
patent: 4004143 (1977-06-01), Good et al.
patent: 4321659 (1982-03-01), Wheeler
patent: 4360862 (1982-11-01), Strasser et al.
patent: 4479173 (1984-10-01), Rumpakis
patent: 4546420 (1985-10-01), Wheeler et al.
McTaggart J. E.
Nelli Raymond A.
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