| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent the production of rib rubbing chips by preventing the rib of a belt from rubbing a drive or driven roller in simple structure. SOLUTION: The rib 37a is provided in an edge section of the transfer belt 37 in the width direction on the side of the back face of the belt 37 along the running direction, and a collar member 72 with a cutout section 72b having a shape with which the rib 37a of the transfer belt 37 engages, is arranged in the end section of the drive roller 38 in its rotary axial direction so as to be rotatable in relation to the drive roller 38.</p> |
