| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cordless electric tool system which is driven by a battery pack as a power source, and has work performance equal to that of an AC electric tool driven by a commercial power source. <P>SOLUTION: The cordless electric tool system is constituted so as to include the battery pack 100 in which an alternating electric voltage can be output corresponding to that of the commercial power source by converting a DC voltage from a plurality of battery modules 112 into an AC voltage, the cordless electric tool that can be driven by that battery pack as the power source, a power source cord adaptor to supply the commercial electric power to the battery pack to make charging possible, and a power source cord adaptor to supply the electric power from the commercial electric power source to the cordless electric tool and make driving possible. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
