| 摘要 |
A handheld electric mixer has a rotational output spindle for holding mixer work pieces, first and second gears located on the rotational output spindle, and a motor. The first gear is rotationally coupled to the motor output shaft. The mixer includes a two-speed gear-box receiving torque from the motor, and transmitting the torque to the output spindle. The two-speed gear-box includes a rotational lay shaft axially parallel to the rotational output spindle, third and fourth gears located on the lay shaft, the third gear meshing with the first gear and the fourth gear meshing with the second gear. A selector mechanism selects between a first gear ratio and a second gear ratio and includes a clutch disk on the spindle, and moveable axially for alternatively engaging and rotatably locking the one of the third or fourth gears that is engaged with the clutch disk.
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