Patent ID: 9541869
Date: 2017-01-10
CPC Classifications: G03G

Claim:
1. An image heating apparatus comprising: first and second rotatable members configured and positioned to heat a toner image on a sheet therebetween; an endless belt configured and positioned to heat said first rotatable member by contacting an outer surface of said first rotatable member; first and second rollers provided inside of said endless belt and configured to rotatably support said endless belt; a first bearing mounted on said first roller and configured to rotatably support said first roller; a second bearing mounted on said second roller and configured to rotatably support said second roller; a holding mechanism configured and positioned to hold said first bearing and said second bearing so as to permit movements of said first bearing relative to said second bearing in a direction away from each other; and a coil spring provided so as to directly contact said first bearing and said second bearing and configured to urge said first bearing relative to said second bearing in the direction away from each other, wherein said holding mechanism includes a spring holder extending along the direction in which said first and second bearings move away from each other and configured to hold said coil spring to regulate an expansion and contraction direction of said coil spring.