| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming device of simple and low-cost structure which precisely drives an image carrier (photosensitive body drum), is easily attachable/detachable, maintains assembly precision and prevents shortening of its life and image deterioration. <P>SOLUTION: In a drive transmission means which drives the photosensitive body drum 6, four pairs of opposite grooves 25a1 and 25a2, 25b1 and 25b2, 25c1 and 25c2, and 25d1 and 25d2, which equally divide the circumference of the means, are formed. Ribs 27a1, 27a2, and 27b which fit in the corresponding grooves are also provided in the flange 27a of the photosensitive body drum 6. <P>COPYRIGHT: (C)2004,JPO |
