发明授权
US07980324B2 Housing and gearbox for drill or driver 有权
钻机或司机的外壳和变速箱

Housing and gearbox for drill or driver
摘要:
A power tool including a motor, an output member and a transmission disposed between the motor and the output member. The transmission includes a ring gear with opposite axial end faces. The power tool also includes a clutch for limiting an output of the transmission. The clutch includes an annular clutch face disposed about the ring gear. At least a portion of a side of the ring gear is configured such that an included angle between the annular clutch face and the at least a portion of the side of the ring gear is about ninety five degrees to about one hundred fifty degrees.
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