| 摘要 |
<P>PROBLEM TO BE SOLVED: To secure smooth turning of an aiming screw by surely preventing the vibration of a reflector. <P>SOLUTION: This reflector movable type head lamp is so formed that an aiming mechanism E comprises an aiming fulcrum, aiming screws 30 and 40, and nut members 130A and 130B installed in the reflector 14 and screwed with the aiming screws, and the nut members are guided by nut sliding guides 230A and 230B formed in a lamp body 10. This head lamp is provided with stress release means of ball joint structure in the installation parts of the nut members and the brackets 150a and 150b. The ball parts of the ball joints are formed in the nut member bodies themselves formed with female screw parts, sliders supported by the sliding guides are integrally formed with the sides of the ball parts, and the ball parts of the nut members are supported by ball bearing parts of bearings 160A and 160B attached to the brackets. <P>COPYRIGHT: (C)2003,JPO |
