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    • 90. 发明申请
    • Vehicle headlamp
    • 车头灯
    • US20020159268A1
    • 2002-10-31
    • US10128356
    • 2002-04-24
    • KOITO MANUFACTURING CO., LTD
    • Masahito Naganawa
    • B60Q001/00
    • B60Q1/10B60Q2300/134B60Q2300/136F21S41/55F21S41/657
    • When the vehicle body rolls to the oncoming lane, a light source bulb is turned to a direction opposite to a rolling direction to keep the posture of the light source bulb in an erect state. Accordingly, a horizontal cut-off line CL1 of a low-beam light distribution pattern P is prevented from slanting downward to the oncoming lane side. A horizontal cut-off line forming area 20a1 of a reflector 20 is formed with a plurality of reflection elements 20s1a and 20s1b and the like. Those elements are formed extending from the upper end to the lower end and slanting, at an angle of 5null, downward to the optical axis Ax1 with respect to the vertical direction. As a result, when the vehicle body rolls to the oncoming lane side, the reflection elements 20s1a and 20s1b and the like are substantially orthogonal to a light-dark borderline L1 formed by an inner shade 18c of the light source bulb, to thereby sharpen the horizontal cut-off line.
    • 当车身滚动到迎面而来的车道时,将光源灯泡转向与滚动方向相反的方向,以保持光源灯泡的姿势处于直立状态。 因此,防止近光配光图案P的水平切断线CL1向下倾斜到迎面而来的车道侧。 反射器20的水平截止线形成区域20a1形成有多个反射元件20s1a和20s1b等。 这些元件形成为从上端向下端延伸,并相对于垂直方向以5°的角度向下相对于光轴Ax1倾斜。 结果,当车身滚动到迎面而来的车道侧时,反射元件20s1a和20s1b等与由光源灯泡的内部阴影18c形成的亮暗边界线L1基本正交,从而锐化 水平截止线。