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2. 发明申请

US20030129003A1 Developing apparatus of electrophotographic printer 失效
标题翻译：电子照相打印机的显影装置
公开(公告)号：US20030129003A1
公开(公告)日：2003-07-10
申请号：US10319841
申请日：2002-12-16
申请人： Samsung Electronics Co., Ltd.
发明人： Yong-baek Yoo
IPC分类号： G03G015/01
CPC分类号： G03G15/0126 , G03G15/0813 , G03G2215/018
摘要： A developing apparatus of an electrophotographic printer for developing an image on a photoreceptive drum includes a disc rotating independently of the photoreceptive drum at both sides of the photoreceptive drum and having at least one cam groove formed on an outer circumferential surface thereof. A developing unit includes a housing containing developer and a developing roller supported by both sidewalls of the housing and having a shaft contacting the outer circumferential surface of the disc. An elastic member is provided at a rear surface of the housing and presses the developing apparatus toward the photoreceptive drum. Thus, since the disc having at least one cam groove is provided on the outer circumferential surface and rotates independently of the photoreceptive drum, the developing roller can be detached from the photoreceptive drum at a predetermined pressure.
摘要翻译：用于在感光鼓上显影图像的电子照相打印机的显影装置包括在感光鼓的两侧独立于感光鼓旋转并且在其外圆周表面上形成有至少一个凸轮槽的盘。显影单元包括容纳显影剂的壳体和由壳体的两个侧壁支撑并具有与盘的外周表面接触的轴的显影辊。弹性构件设置在壳体的后表面，并将显影装置朝向感光鼓推压。因此，由于具有至少一个凸轮槽的盘设置在外圆周表面上并且独立于感光鼓旋转，所以显影辊可以以预定压力从感光鼓分离。

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