Novel or improved apparatus for controlling or directing the rays of light emitted from the headlights of motor road vehicles and other powerful light projectors, for preventing glare or dazzling effect to the eyes

摘要

179,334. Terry, A. E. Feb. 12, 1921. Lantern gratings.-In an anti-dazzle device for lamps comprising a number of parallel perforated discs 1 with their perforations in register to form light-conduits, the discs are provided with integral flanges 6 round the perforations 2 to form enclosed light-conduits and act as spacing- members. The discs 1 may be held in a band 3, provided with spring clips 4, or an annular clipping member for attachment to a lamp front. The device may be pivoted on the lamp or built into the front of the lamp.