Spotlight and adjusting system

Details Spotlight and adjusting system Spotlight and adjusting system

1983-04-08

1984-07-24

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

Plural serial lens elements or components

362261, 362277, 362285, 362307, 362308, 362319, 362321, 362280, 362281, 362418, F21V 700

Patent

active

044620675

ABSTRACT:
The present invention provides a spotlight adjusting system for controlling the beam of a spotlight. A ellipsoidal reflector-lamp assembly is movable to a plurality of positions relative to the iris. The diaphragm of the iris is independently adjustable to a plurality of positions so that the light being reflected from the focal area of the reflector assembly can be controlled between passing the full beam received at the iris to a portion of the beam received there. The rear lens is adjustable relative to the iris and the front lens. The system provides mounting structures for both a long throw and a short throw front lens so that the system can be selectively mounted with either a removable long or short focal front lens.

REFERENCES:
patent: 4210955 (1980-07-01), Labrom
patent: 4338654 (1982-07-01), Logothetis
patent: 4350417 (1982-09-01), Freeman

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