| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that it is impossible to use one instrument in common for respective optical parts because exclusive fixing instruments adaptable to respective optical parts and plural exclusive causing corresponding to those instruments are necessitated in order to fix the optical parts to the casing. SOLUTION: This instrument is composed of a U shaped main body 10 which is formed by a first side wall 11, a second side wall 12 and a bottom part 13 combining those, and a fixing projection 20 which is provided in the bottom part 13. Projection 14 for preventing the optical parts from springing out are provided at the upper tips of the first and second side walls, and a notch 15 is formed in order to easily fold the root of the second side wall 12. When the size of the optical parts is large, two optical part fixing instruments make a pair, the second side walls 12 are folded to be cut off, the bottom parts 13 are faced and a space for storing the optical parts is doubled and used.
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