| 摘要 |
A mirror fixing structure includes a substantially C-shaped flat plate disposed rearward to hold a half mirror, a single first leg provided rearward of the flat plate to extend downward and inserted between a rear surface of the half mirror and a rear wall of a mount recess, a pair of second right and left legs extended downward from a front of the flat plate and pressed against a front surface of the half mirror to fix the half mirror, and a pair of right and left arms extended forward from the front of the flat plate to a position, in which a total reflection mirror is set, and shaped such that front portions thereof are bent obliquely downward, tip ends thereof are bent in a manner to warp forward, and bent portions thereof are pushed against a front surface of the total reflection mirror.
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