| 摘要 |
PURPOSE:To provide a ventilator fan wherein both hands are not required for the removal of dirty filter and the dirty filter can easily be removed by one hand without uncomfortable feeling of touch. CONSTITUTION:Oil receiver mounting part 14 having a spherical shape is provided in an orifice 11 mounted in a ventilator fan main body, and an engagement depression 16 is provided in the oil receiver mounting part 14. An oil receiver 17 having an engagement protrusion 20 to be engaged with the engagement depression 16 and rotated in the oil receiver mounting part 14 is mounted in the oil receiver mounting part 14. A movable element 13 constituting lower part of the filter is inserted in the oil receiver 17, and the oil receiver 17 is rotated to move the movable part 13 of the filter forward. |
