| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electric tool in which the counter near a connection part between a gear cover and a housing, on which a required equipment of a brushless motor is provided with a good efficiency, is formed in a slender shape.SOLUTION: In an electric tool 1 comprising a brushless motor 6 having a rotary shaft 10, housings 2, 32 for housing the brushless motor, and power transmission device which transmits power from the rotary shaft 10 to a spindle 11 for rotating a tip tool 5, a rotation position detection element for detecting a position of a rotor 7 and a control board 26 for controlling rotation of the brushless motor are accommodated on a rear side further than a bearing 13b for holding the rotary shaft of the motor. A cooling fan 4 is attached to the rotary shaft 10 on a side opposite to the tip tool side of the motor 6.</p> |
