| 摘要 |
<p>The headlamp has a diaphragm shaft comprising a cover surface, which comprises a focal line for rotary positions. The cover surface of the diaphragm shaft comprises grooves (30-35) at a region of the focal line for dimmed light. The grooves run parallel to a rotation axis of the diaphragm shaft. The adjacent grooves are directly limited together in a rotation direction and/or a circumferential direction. The adjacent grooves are separated from each other by common point edges (40-45). The grooves completely penetrate a focal line section, which run in an inclined manner.</p> |
