Patent ID: 6116764
Filing Date: 2000-09-12
Classification: B60Q,F21S

Abstract:
A headlight for vehicles with a bowl shaped reflector having two focal areas and a lens, said headlight having a screen shaft mounted between the lens and the reflector, which screen shaft rotates about an axis of rotation which extends horizontally and at a right angle to an optical axis of the headlight, the screen shaft being adjustable to a plurality of rotational positions, with a mantle surface thereof having a focal line for each rotational position for producing a light-dark border of a light pattern, wherein at least a half of the mantle surface of the screen shaft which forms a plurality of said focal lines along most of their lengths deviates from a cylindrical surface, in that it deviates from a surface generated by lines parallel to the axis of rotation, and is irregularly shaped; and wherein at least a portion of a first focal line produces an asymmetrical light-dark border and at least a portion of a second focal line produces a symmetrical light-dark border.