| 摘要 |
<p>An image heating apparatus includes: a rotatable heating member; a belt unit including an endless belt configured to heat the rotatable heating member, and a supporting portion configured to rotatably support an inner surface of the belt; a holding portion configured to rotatably hold the belt unit; a detecting portion configured to detect that the belt is out of a predetermined zone with respect to a widthwise direction of the belt; a tilting portion configured to tilt the belt unit relative to the holding portion in a direction of causing the belt to return into the predetermined zone on the basis of an output of the detecting portion; and a limiting portion configured to limit tilting of the belt unit to an angle exceeding a predetermined angle range wider than an angle range in which the belt unit is capable of being tilted by the tilting portion.</p> |
