Patent ID: 9026024
Filing Date: 2015-05-05
Classification: G03G

Abstract:
1. A fixing device comprising: a hollow, endless rotary body rotatable in a predetermined direction of rotation; a pressing body contacting an outer circumferential surface of the endless rotary body to form a fixing nip therebetween through which a first size recording medium bearing a toner image and a second size recording medium bearing a toner image and being greater than the first size recording medium in width in an axial direction of the endless rotary body pass, the first size recording medium passing over a first passage region of the endless rotary body and the second size recording medium passing over a second passage region of the endless rotary body; at least one heater disposed opposite an inner circumferential surface of the endless rotary body to heat the endless rotary body; and a shield interposed between the endless rotary body and the at least one heater to shield the endless rotary body from heat radiated from the at least one heater, the shield including a notch, an entirety of the notch being disposed only opposite a lateral end of the second passage region of the endless rotary body in the axial direction of the endless rotary body, wherein the lateral end of the second passage region overlaps a non-passage region of the endless rotary body in the axial direction thereof where the first size recording medium does not pass.