Invention Grant
US07526232B2 Image forming apparatus and drive unit of image forming unit 有权
图像形成装置和图像形成单元的驱动单元

Image forming apparatus and drive unit of image forming unit
Abstract:
A swinging gear is constructed to be swingable in accordance with the rotational direction of a main gear. A first gear train is arranged to drive a black developing unit by meshing with the swinging gear when the main gear is rotated in a first direction. A second gear train is arranged to drive developing units for colors such as yellow by meshing with the swinging gear when the main gear is rotated in a second direction reverse to the first direction.
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