| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the light control of a front lens for the reflected light of a reflecting mirror and improve the external appearance of a lighting fixture in seeing the reflecting mirror from the front lens when a lamp is lighted. SOLUTION: A lighting fixture 1 for a vehicle is constituted of a reflecting mirror 2, a front lens 3, and a light source body 5 arranged between them so that the center axis is made perpendicular to the main optical axis of the reflecting mirror 2. Many reflecting steps 2a, 2a,... are formed on the reflecting mirror 2 when rotating paraboloids are partially allocated between adjacent closed curves obtained as intersecting lines of a rotating paraboloid group 7 constituted of many rotating paraboloids 7a, 7a,... having different focal distances and the basic face of the reflecting surface. The center section 4 of the closed curve group forming the boundaries of the reflecting steps 2a, 2a is formed at the position displaced from the intersection of the main optical axis of the reflecting mirror 2 and the reflecting mirror 2, and square lens steps 3a, 3a,... are formed on the front lens 3. There is consistency between the layout tendency of the projected image of the light source body 5 by the reflecting step 2a and the division of the lens steps 3a of the front lens 3. |
