| 摘要 |
PURPOSE:To provide an automobile head lamp having easy mounting work of a lighting circuit housing unit on a lamp body and no possibility of falling-off of the mounted lighting circuit housing unit. CONSTITUTION:A circular opening part 62 is formed on the back side of a lamp body 10 in an automobile head lamp having a light source of a discharge bulb. A lighting circuit housing unit 50, in which a discharge bulb lighting circuit 51 is integratedly housed in a case 52, is bayonet-engaged with the circular opening part 62 from the rear of the lamp body to be fixed in the circumferential direction of the circular opening part with another fixing means 68. |
