Abstract: In a slant type headlamp unit for motor vehicles, the reflector has an inner reflecting surface a reflecting area taking the form of a part of a paraboloid of revolution and a light-diverging reflecting area which diverges in the horizontal plane, and a reflects in the vertical plane the rays of light incident from a lamp bulb in directions substantially parallel with the optical axis. The center of the filament of the lamp bulb is disposed nearly parallelly with the optical axis of the reflector and as spaced slightly frontwardly from the focus of the paraboloid of revolution. A front lens is disposed as slanted with respect to said optical axis, covering the front opening of said reflector and having provided on the inner surface by a plurality of prism areas which refract the rays of light emitted from said lamp bulb and reflected at said reflector, thereby forming horizontally elongated illumination patterns and slant illumination patterns frontwardly.

Abstract: An operating wire directly and operatively connected to a lamp casing for swingingly moving same by linear movement of the operating wire and a pulley for converting the direction of linear movement of the operating wire to the direction of swinging movement of the lamp casing.

Abstract: To vary the angle at which the headlight beams are directed only road surface from within the passenger compartment of a moving vehicle, spring forces urging hinged headlight mounting frames foreward are matched by the force of a spring assisting a winder to urge, via a first cable, lever, second and third cables, the frames in the opposite direction such that the force required to move the frames in either direction via a knob in the passenger compartment is substantially that required to move the frames if they were hanging or otherwise under the influence of only their own weight.