| 摘要 |
PURPOSE: To provide a motor-driven tool having a mounting structure applicable also to a structure of eliminating dislocating the tool further decreasing a diame ter of a shaft, also in a structure provided with a soft start and also a break. CONSTITUTION: In a motor-driven tool, a stepped part 12, D cut 13 and an external screw 17 are successively provided in a shaft 11, to successively mount the first flange 14 matched with the stepped part 12, tool 15, washer 16 having a hole suited for the D cut 13 and the second flange 18 screwed to the external screw 17. |
