A leveling apparatus for a vehicle headlamp includes: a housing disposed at a front side of a vehicle; a light source module disposed in the housing to emit light; a tilting sensor disposed in the housing to detect an inclination degree of a road; a tilting means to tilt the light source module and the tilting sensor together; and a controller. The controller receives a signal detected by the tilting sensor and controls the tilting means based on the inclination degree of the road to adjust a light emission angle of the light source module. In addition, the tilting sensor operates until a sensed output of the tilting sensor reaches a normal range.

An adjuster gear screw is provided that includes an adjuster shaft having a threaded portion and a shaft end, a gear head having a plurality of radial protrusions spaced by a plurality of radial indents, and a flange having a flange front surface, an elongated neck interconnecting the adjuster shaft and the gear head, and a gear having a gear rear surface, a plurality of teeth, and a plurality of fingers and notches extending along an inner circumference, wherein the gear is axially secured to the gear head in a first longitudinal direction via abutment of the gear rear surface with the flange front surface, and in a second longitudinal direction via engagement of the plurality of fingers with the plurality of indents, and wherein the gear is rotationally secured to the gear head via abutment of the plurality of radial protrusions with the plurality of notches.

A construction machine in the form of a road paver or feeder vehicle includes a chassis and a hopper, wherein at least one lighting arrangement is mounted on the chassis. The lighting arrangement comprises at least one light source, and the lighting arrangement is configured to illuminate an area in front of the construction machine in the direction of travel. The construction machine further has an object detection system for detecting an object located in front of the construction machine in the direction of travel, and the illumination emitted by the lighting arrangement can be changed as a function of the detection of an object by means of the object detection system.

A rotation adjustment mechanism includes a rotation target module supported by a fixation member to be freely rotatable around a first rotary shaft and an adjustment unit supported by the fixation member and including a slider movable along a slide axis pointing in a direction orthogonal to the first rotary shaft. The adjustment unit is supported to be freely rotatable around a second rotary shaft parallel to the first rotary shaft and provided on the fixation member. The rotation target module includes a connection groove. The fixation member includes a cam member. The cam member has a guide surface in an arc-like shape that maintains constant a rotation angle of a contact point where the connection groove and a projection part of the slider contact each other around the first rotary shaft with respect to a unit movement amount of the slider in a direction parallel to the slide axis.

A rotation adjustment mechanism includes a rotation target module supported to be freely rotatable with respect to a fixation member around a first rotary shaft and an adjustment unit including a slider. Rotation of the rotation target module around the first rotary shaft is regulated by a contact point where a connection groove of the rotation target module and a projection part of the slider contact each other, and a shape of a surface of the connection groove contacting the projection part is a shape formed by a locus that successively connects the contact points of the connection groove and the projection part each of which is obtained each time the rotation target module is moved around the first rotary shaft by a unit angle and simultaneously the projection part fixed to the slider is translated by a constant amount in a direction parallel to the slide axis.

A device for adjusting a supporting frame of a headlight of a motor vehicle, comprising a first coupling element, a second coupling element, and a guide element, wherein the second coupling element is pivotable relative to the first coupling element, wherein the first coupling element has a receiving region for a spherical segment-shaped region of the second coupling element, wherein the region is secured in a positive manner in the receiving region, wherein the region is secured to the supporting frame, wherein the first coupling element is guided in the guide element so as to be displaceable in at least one first direction.

A displacement system for simultaneous displacement of a first and a second light module of a lighting apparatus, wherein the first light module is mounted so that it can swivel about a first swivel axis and the second light module is mounted so that it can swivel about a second swivel axis, and wherein the two swivel axes extend parallel to each other. The displacement system includes a first and a second control shaft, wherein the control shafts are mounted so that they can be rotated about their respective longitudinal axis and moved linearly in the direction of their longitudinal axis, wherein the first and the second control shaft are connected in a torque-proof manner to a first and a second rotary element, so that when the first rotary element rotates, the first control shaft is rotated in the direction of rotation of the first rotary element, and when the second rotary element rotates, the second control shaft is rotated in the direction of rotation of the second rotary element, and wherein a third rotary element is provided, which cooperates with the first rotary element such that when the third rotary element rotates, the first rotary element is rotated, and wherein the first rotary element and the second rotary element cooperate such that when the first rotary element rotates, the second rotary element is rotated in the opposite direction to the direction of rotation of the first rotary element, and wherein the first and the second control shafts are mounted in such manner that as a consequence of the rotations by the first and second rotary elements caused by the rotation of the third rotary element they move linearly in opposite directions along their respective longitudinal axes, and wherein the swivel axes extend that the two light modules are swiveled simultaneously and in the same direction about their respective swivel axis.

A rotation adjustment mechanism includes a rotation target module supported by a fixation member to be freely rotatable around a first rotary shaft and an adjustment unit supported by the fixation member and including a slider movable along a slide axis pointing in a direction orthogonal to the first rotary shaft. The adjustment unit is supported to be freely rotatable around a second rotary shaft parallel to the first rotary shaft and provided on the fixation member. The rotation target module includes a connection groove. The fixation member includes a cam member. The cam member has a guide surface in an arc-like shape that maintains constant a rotation angle of a contact point where the connection groove and a projection part of the slider contact each other around the first rotary shaft with respect to a unit movement amount of the slider in a direction parallel to the slide axis.

A stepping motors includes a bracket including a first protruding line and a second protruding line formed on both sides, a stator and a rotor disposed on the bracket, a lead screw coupled with the rotor, and a moving member which moves back and forth according to a rotation of the lead screw, in which the moving member includes a first guide groove which slides on the first protruding line and a second guide groove which slides on the second protruding line, and the first guide groove and the second guide groove include first sections which have widths corresponding to the first protruding line and the second protruding line, respectively, and second sections which have greater widths than the first sections.

A vehicle lamp includes a light source configured to draw a road surface, a projection lens configured to transmit light emitted from the light source, and a movable shade disposed in the vicinity of a rear focal point of the projection lens. The movable shade includes at least one plate-shaped shade which has a light-shielding surface along a direction orthogonal to an optical axis of the projection lens. The at least one plate-shaped shade is formed with at least one light-transmitting part having an enclosed shape.