| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electric power tool that can stably perform works of positioning and biting-in. <P>SOLUTION: The electric power tool 1 includes: a motor 5; a trigger switch 3 that is manually operable; and a computing part 78 (inverter circuit 8) that feeds such a driving voltage to the motor 5 that a revolution number N of the motor 5 is controlled to be constant while an operation degree D of the trigger switch 3 is X or less. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
