| 摘要 |
First adjustment screws for adjusting the optical axis are disposed near vent pipes of a head lamp device for a motor vehicle, and guard ribs which separate the first adjustment screws and the vent pipes from each other project from a housing. While the head lamp is being aimed, the vent pipes are prevented from being damaged or dismounted in error by a screwdriver. As a result, adjustment screws may be very short even though they are close to the vent pipes, allowing the space behind the head lamp device to be utilized effectively.
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