| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique useful for effectively cooling a driving motor of a power tool. SOLUTION: This power tool has a driving motor 121 for driving a work tool 129 for performing designated machining work for a workpiece material and a cooling fan 151 driven to rotate separately from the driving motor 121, thereby cooling the driving motor 121. COPYRIGHT: (C)2004,JPO
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