| 摘要 |
The electric cleaner performs efficient cleaning without generating uncleaned gap by overlapping trace of rotary discs, mounted at the bottom of the cleaner. The electric cleaner having rotating means, a plurality of rotary discs rotating on paralleled shafts, a cleaning tool at the bottom of the discs, comprises two rotary discs (20,20') engaged as gear train, which have corner section (20b) far the center, side section (20c) near from the center. The rotating traces formed by the sections (20b)(20c) are overlapped.
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