Patent ID: 7155145
Filing Date: 2006-12-26
Classification: G03G

Abstract:
1. An image frowning apparatus comprising: a plurality of image bearing bodies on each of which a toner image is formed; a plurality of drive sections for rotating the plurality of image bearing bodies; a carrying section for carrying a transfer medium; and a transfer section for superposing each of the toner images farmed on each of the image bearing bodies onto the transfer medium to transfer, wherein each of the drive sections is coupled with each of the image bearing bodies by a coupling comprising a drive section side coupling portion and an image bearing body side coupling portion which are fanned to be engagable with each other, and a clearance 2γ provided between a rotary shaft which transmits a torque from each of the drive sections to each of the image bearing bodies and least one of the drive section side coupling portion and the image bearing side coupling portion is larger than a clearance 2δ provided between a pin which attache, at least one of the drive section side coupling portion and the image bearing side coupling portion to the rotary shaft and side surface of a long hole into which the pin is inserted.