ES52223U - Lighting device (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

AN LIGHTING DEVICE, essentially characterized in that it comprises a reflector formed from a metal sheet to which, by embossed embossment, an elongated concave surface is given with a plane of symmetry in the longitudinal direction, as well as with a plane perpendicular to the above, arranging the sources of illumination perpendicularly to the last mentioned plane, so that this concave surface, in its section by the main plane of symmetry, has a parabolic upper part that links, on each of its ends, with a descending elliptical profile to the edge of the reflector, while the successive sections by parallel and perpendicular planes, all of them, to the line of intersection of the two planes first mentioned, consist of the upper part of the reflector corresponding to the parabolic profile of its section by the main plane of symmetry in increasing ellipses and in contrast, in the remaining and lower part of the said sections are composite elliptic curves, each of which has at least one of its two longitudinal ends cut and truncated by several curved and transverse segments of greater curvature that are interconnected, thus constituting secondary reflecting surfaces able to direct the light that reaches them against the main reflective surface formed by the successive longitudinal and opposite elliptical segments of the multiple sections of the reflector, all of them perpendicular to the aforementioned intersection axis. (Machine-translation by Google Translate, not legally binding)