| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilator imposing no anxiety to a user by protecting a built-in fan against contamination and preventing generation of dropping sound of a filter. SOLUTION: A filter fixing metal 14 provided for a filter 15 is slid laterally on the inner surface of a suction grill 6 fixed to a box-like body 5 containing a fan 4 having an air inlet 1 in the lower surface and an air outlet 3 in the side part by means of a spring 8 fixed by means of a spring fixing metal 10 while covering the lower surface of the body 5 and the filter 15 is secured through resilient engagement with the spring fixing metal 10. According to the arrangement, the filter 15 is prevented from floating during operation and dropping upon stoppage of operation to generate dropping sound. |
