| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a projector type lamp with an excellent assembling property. <P>SOLUTION: This projector type lamp 10 comprises a casing 14 having a front end opening, a concave mirror 7a of a rotary oval face or a free curve basically having a rotary oval face formed on an inner face of the casing 14, a light source 11 fixed to the casing 14 near a first focal point F1 of the concave mirror 7a, and a convex lens 6 mounted to the front end opening of the casing 14 and adjusting a light flux that is emitted from the light source 11 and reflected on the concave mirror 7a to a substantially parallel light flux so as to project it forward of a unit. The casing 14 is constituted by a combination of an upper casing member 12 and a lower casing member 13, and the upper casing member 12 and the lower casing member 13 comprise temporary fixing parts 12d, 13d locked with each other, and are fastened while being temporarily fixed to each other by the temporary fixing parts 12d, 13d. <P>COPYRIGHT: (C)2008,JPO&INPIT |
