| 摘要 |
PROBLEM TO BE SOLVED: To make thin a fan unit by mounting a reinforcing metal fitting for maintaining the strength of the fan unit, at the same time simplifying the fixation of a fan unit body, effectively utilizing a mounting space, making thin a finger guard, and forming the beam of a frame for mounting the fan unit in structure for attaching or detaching the fan unit. SOLUTION: A reinforcing metal fitting 14 for fixing a fan unit body 6 to a fan unit-mounting frame is mounted to maintain the strength of a fan unit, at the same time the fan unit body 6 can be fixed simply, a mounting space is effectively used, and a finger guard 11 is made thin. Then the beam of the fan unit-mounting frame is formed in structure for attaching or detaching the fan unit body 6, thus making thin the fan unit.
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