Patent ID: 8818254
Filing Date: 2014-08-26
Classification: G03G

Abstract:
1. An image heating apparatus comprising: an endless belt provided with a heat generation layer configured to heat an image on a sheet; a driving rotatable member cooperative with said endless belt to nip and feed the sheet therebetween and configured to drive said endless belt; a pressing pad configured to press said endless belt toward said driving rotatable member; an electric energy supply device configured to supply electrical energy to said heat generation layer; and a shut-off element configured to break an electric connection between said electric energy supply device and said heat generation layer when the temperature of said endless belt reaches a predetermined upper limit temperature, wherein said shut-off element is disposed to contact said endless belt in a region, with respect to a widthwise direction of said endless belt, outside a passing region of a maximum width of the sheet usable with said apparatus and inside of a heat generating region of said heat generation layer.