| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric tool capable of preventing a product in forcible braking from being damaged, and also, capable of controlling tightening torque of a washer for fixing a rotating body. SOLUTION: The electric tool is provided with a large gear 3, which has a recessed part 9 for fixing an output shaft, and a spindle (the output shaft for the electric tool) 4 which is composed of a lock pin 8 provided to a gear cover 7 and inserted to the recessed part 9. The recessed part 9 and the lock pin 8 are separated in the direction of tightening the washer 6 for fixing the rotating body and in the direction of loosening the washer 6. COPYRIGHT: (C)2006,JPO&NCIPI |
