| 摘要 |
An improved filter-box positioned on a spin dryer is disclosed, which has a ceiling plate, a bottom plate and an annular filter provided between the ceiling plate and the bottom plate. The inner area of the lower surface of the ceiling plate within the filter is downwards convex so that the center of the inner area locates at the lowermost portion thereof. This convex form of the lower surface ceiling guides introduced air to the central lowermost portion of the same and prevents fine dust from accumulating on the lower surface of the ceiling plate. A static electricity removing member is mounted on the lowermost portion of the ceiling plate. The member includes an ionizer to effect the ionization of the introduced air, guided by the convex surface.
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