| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an adaptor which enables an electric tool to be satisfactorily driven even if a battery pack is used having a voltage different from the rated voltage of the electric tool, and to provide an electric tool system using the adaptor. <P>SOLUTION: The adaptor 3 is mounted between an electric tool 1 and a battery pack 2 in such a manner that the adapter can be attached to and detached from the electric tool 1, and is equipped with a step up/down circuit 4 which raises or lowers the voltage of the battery pack 2 to convert the voltage into the rated voltage of the electric tool 1. <P>COPYRIGHT: (C)2012,JPO&INPIT |
