| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illumination device in which a lens body can be moved smoothly. <P>SOLUTION: The illumination device includes: lens body support portions 23, 24 which respectively support a light source side lens body 28 that receives light from the light source unit 4 having a light source, and the lens body 27 which is arranged opposed in its light axis direction and movable in the light axis direction; a link mechanism 25 which has mutually intersecting two link bodies 34, 35, and which makes each end portion of these link bodies slidably coupled against each lens support portion to move in a linking motion toward directions so that these lens body support portions are mutually brought away or close; a guide 26 that reciprocably guides these lens body support portions in the light axis direction; a projection unit case 17 which houses this guide, the link mechanism, and the lens body support portions; and a knob 44 which is coupled in an interlocking manner with one 23 of the lens body support portions, makes this lens body support portion move toward the light axis direction, and is constituted to enable to retain its moving position. <P>COPYRIGHT: (C)2011,JPO&INPIT |
