Patent ID: 8838002

Claim:
An image heating apparatus comprising: a heating rotary member configured to heat a toner image on a recording material; a belt unit including an endless belt configured to heat an outer surface of the heating rotary member by coming in contact with the outer surface of the heating rotary member, and a first support roller and a second support roller configured to rotatably support an inner surface of the endless belt and make the endless belt press against the heating rotary member; and a holding unit configured to hold the belt unit so as to permit a swinging of the belt unit in a direction in which an axis line of the first support roller at the time when the endless belt and the heating rotary member are in contact with each other intersects a generating line of the heating rotary member, wherein the belt unit includes a support portion which slidably supports the second support roller so that a distance between a center of the first support roller and a center of the second support roller is variable.