To provide a power tool capable of effectively reducing noise with an inexpensive and simple configuration.
The power tool has a motor 1, a drive shaft 2 where a driving force of the motor 1 is transmitted, a drive gear 4 mounted to the drive shaft 2, a driven gear 5 meshing with the drive gear 4, an output shaft 3 where the driven gear 5 is mounted, and a rotation locking member 6 between the drive shaft 2 and the drive gear 4 or between the output shaft 3 and the driven gear 5. The power tool is provided with an inclination part or a curvature part at any part of the outer periphery of the drive shaft 2, the inner periphery of the drive gear 4, the outer periphery of the output shaft 3, and the inner periphery of the driven gear 5. The drive gear 4 is inclinably provided with respect to the drive shaft 2 or the driven gear 5 is inclinably provided with respect to the output shaft 3.
COPYRIGHT: (C)2007,JPO&INPIT
OTSU SHINKI
INAGAWA HIROTO
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