| 摘要 |
A lid member having an annular filter therein is mounted so as to open on a spin dryer body and serves to filter air introduced therein. The lid member has a top surface which is upwardly convex to prevent turbulence of air above the top surface and introduction of air from below, and is divided into upper and lower portions. A gap formed between the upper and lower portions may be opened for introduction of air and closed for stoppage of the introduction of air.
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