| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve problems wherein a liquid is left unremoved when water or oil on a floor surface is sucked and removed, or wherein the sucked liquid leaks out again. Ž<P>SOLUTION: Flexible lips for the contact with the floor surface are attached in the front or rear of a suction port in the direction of advancement in the liquid suction nozzle, and a plurality of projections are provided on the outer side surface of the flexible lips. Hard lips are attached parallel to the flexible lips at corresponding positions on the inner side of the flexible lips to the respective flexible lips. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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