Patent ID: 9323184
Filing Date: 2016-04-26
CPC Classification: G03G

Claim Text:
1. A fixing device comprising: an endless fusing film; a heater extending inside the endless fusing film; a nip plate configured to be in contact with an inner peripheral surface of the endless fusing member; a reflecting plate extending inside the endless fusing film and opening toward a portion of the endless fusing film in an opening direction, the reflecting plate configured to reflect radiant heat from the heater and including a first flange portion and a second flange portion which are spaced apart from each other in a first direction perpendicular to an axis of the endless fusing film, a distance between the first flange portion and the second flange portion in the first direction being greater than a dimension of the heater in the first direction; and a stay, separate and distinct from the nip plate and the reflecting plate, having a U-shaped cross section and comprising a first side wall portion extending perpendicularly to the first direction, a second side wall portion extending perpendicularly to the first direction, and an intermediate wall portion connecting the first side wall portion and the second side wall portion, the second side wall portion overlapping the heater when viewed in the first direction and the first side wall portion overlapping the heater when viewed in a second direction opposite to the first direction, wherein an extension, in the opening direction, of an inner surface of the first side wall portion intersects with the first flange portion of the reflecting plate, and an extension, in the opening direction, of an inner surface of the second side wall portion intersects with the second flange portion of the reflecting plate, and wherein a width of the nip plate in the first direction is greater than a width of the stay in the first direction.