| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the separation of a mirror from a spent case and ensure the fixation of the mirror in use by fixing a tray-like frame member formed of a flexible and highly elastic material into a fitting recessed part formed on a fixed wall surface, and closely fitting and fixing the mirror in its central recessed part. SOLUTION: A fitting recessed part 2 is formed on a fixed wall surface A, and a mirror 4 is fixed into the fitting recessed part 1 by a frame member 3 formed of a flexible and highly elastic material and fixed into the fitting recessed part 2. The frame member 2 has a tray shape fixed into the fitting recessed part 2, it has a central recessed part 5 for closely fitting and fixing the mirror 4, and a hook piece 6 integrally extended onto the fixed wall surface A adjacent to the fitting recessed part 2. The fitting recessed part 2 houses and fixes the mirror 4 through the frame member 3.
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