Patent ID: 6952543
Filing Date: 2005-10-04
Classification: G03G

Abstract:
1. An electrode member for supplying power from an image forming apparatus body to a developing roller of a process cartridge, when the process cartridge, detachably attachable to the image forming apparatus body, is attached to the image forming apparatus body, said electrode member comprising: a conductive substrate having a hole therein, wherein the hole includes a groove and an end portion, wherein the width of the end portion of the hole is larger than the width of the groove of the hole; an elastic portion bent and raised along said hole to permit an electrode to contact said elastic portion; a rib provided opposite and along the end portion of said hole; an engagement hole positioned and configured to permit mounting of said electrode member to a bearing of the developing roller; and a contact portion contacting an inner surface of the developing roller, when said electrode member is mounted to the bearing.