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Invention Grant
US08798505B2 Rotation driving force transmitting member, photoreceptor drum, process cartridge, and image forming apparatus 有权
旋转驱动力传递部件，感光鼓，处理盒和成像设备

Rotation driving force transmitting member, photoreceptor drum, process cartridge, and image forming apparatus
Abstract:
A rotation driving force transmitting member is disposed between a motor section and a main body of a photoreceptor drum. The rotation driving force transmitting member has a convex member which is provided on the photoreceptor drum side and includes a twisted convex portion with an elliptical cross-section and a concave member which is provided on the motor section side and includes a twisted concave portion with an elliptical cross-section, the concave portion being fitted in the convex portion. The rotation driving force transmitting member transmits rotation driving force by the motor section to the photoreceptor drum via the convex member and the concave member in a state where the convex member is subjected to a drawing force toward the concave member side, due to rotation of the motor section in a state where the convex portion and the concave portion are fitted in each other.
Abstract(Chinese):

旋转驱动力传递构件设置在电动机部分和感光鼓的主体之间。 旋转驱动力传递部件具有设置在感光鼓侧的凸部，具有椭圆截面的扭曲凸部和设置在电机部侧的凹部，该凹部具有扭曲凹部， 椭圆形截面，凹部装配在凸部中。 由于旋转驱动力传递部件由于旋转驱动力传递部件的旋转而通过凸部件和凹部部件将旋转驱动力传递到感光鼓，凸状部件经受朝向凹部件侧的拉拔力的状态 马达部分处于凸起部分和凹部彼此嵌合的状态。

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