| 摘要 |
PROBLEM TO BE SOLVED: To constitute an auxiliary power device attachable to or detachable from an existing hand conveying tool, and to reduce labor of a worker in conveying work. SOLUTION: The existing hand conveying tool having a deck and a handle for a hand operation is provided with the auxiliary power device P that has an electric motor M using a power supply for house use as the power source and a driven wheel driven by the electric motor M and is constituted attachably to or detachably from the handle of the conveying tool. Thus, the hand operation of the worker is assisted, and the labor of a worker is thus reduced.
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