Patent ID: 7603060
Filing Date: 2009-10-13
Classification: G03G

Abstract:
1. An image forming device comprising: a device main body including a frame; a drum unit which can be removably inserted into the device main body along a longitudinal direction of the device main body, the drum unit including: a stud fixed to the frame of the device main body such that the stud is arranged parallel or substantially parallel to a center axis of the drum unit when the drum unit is inserted in the device main body; and a drum drive transmitting gear which supported by the stud which that the drum drive transmitting gear can axially rotate; and a contacting terminal arranged adjacent to photoconductive drum; wherein a pin is fixed to the frame of the device main body such that the pin is arranged parallel or substantially parallel to the stud; a free edge of the contacting terminal is bent, and when the drum unit is inserted into the device main body, the contacting terminal elastically makes contact with a reduced diameter constricted portion at an end of the pin such that the inner surface of the photoconductive drum and the pin are conductively connected; and when the drum unit is not inserted into the device main body, the contacting terminal does not contact the pin; and when the drum unit is inserted into the device main body, the drum drive transmitting gear and the driven transmission gear are engaged with each other, and the end portion of the stud is inserted into and received by the engaging hole of the unit frame.