| 摘要 |
PROBLEM TO BE SOLVED: To easily guide a cleaning device to a recovery position to stop. SOLUTION: The cleaning device cleans a floor surface 104 of a structure in which liquid is storable in a range surrounded by the floor surface 104 and wall surfaces 105. The cleaning device includes a cleaning device body 1 to clean the floor surface 104 while running, and a guide means 8 to guide the cleaning device body 1 to run in parallel to the wall surface 105 to a prescribed recovery position when recovering the cleaning device body 1. COPYRIGHT: (C)2011,JPO&INPIT
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