| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning device capable of removing dust collected outside a brush and having highly dust-removing capacity through suction. SOLUTION: The cleaning device sucks the dust 4 from a suction opening 5. The opening 5 is provided with planted with a first brush 3 in the outer periphery and planted with a second brush 2 in the approximate middle, wherein the bristle length of the brush 2 is longer than that of the brush 3. COPYRIGHT: (C)2010,JPO&INPIT
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