| 摘要 |
<p>A belt driving device that drives a belt includes a plurality of rollers, an endless belt tensioned on the plurality of rollers, a belt guide member that is mounted on at least one end of at least one roller of the plurality of rollers and that guides a side edge part of the belt, and a belt displacement device that is mounted on the same end of the one roller as the belt guide member in order to displace the side edge part of the belt in a direction away from the belt guide member. Wherein a portion of the belt displacement device is located on a downstream side of the belt guide member in a traveling direction of the belt, and the portion continuously contacts the side edge part of the belt.</p> |
