| 摘要 |
A conveyor-belt apparatus includes a belt, a supporting member that rotatably supports the belt, a moving unit that displaces at least one end of the supporting member in a longitudinal direction to move the belt in the longitudinal direction, and a tension changing unit that changes a tension of the belt in accordance with the moving state of the belt in the longitudinal direction when the moving unit displaces the end of the supporting member. |
