| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a polygon mirror, which can be produced inexpensively, by providing a first base part equipped with an energizing means, with which a mirror inserted into a groove is energized from inside to outside, and a second base part, and forming the polygon mirror by fitting the first and second base parts together. SOLUTION: A base part is composed of an upper base part 6 and a lower base part 7 and by mutually combining these base parts, the base part is constituted. At the base parts 6 and 7, grooves 9 and 10 are formed for respectively sandwiching mirrors 2 and 4. Upper and lower ends 2a and 2b of the mirror 2 are energized by stoppers 11 and 12 provided at the base parts 6 and 7. The inclination angle of the mirror 2 is specified by these grooves 9 and 10 and the stoppers 11 and 12. When the base parts 6 and 7 are fixed by a screw, in the case of attaching the mirror 2 to the base parts 6 and 7, it is not necessary to use any adhesive agent or adhesive tape at all. and work for positioning the mirror 2 or the like is unnecessitated as well.</p> |
