Patent 7235761 was granted and assigned to Lexmark International, Inc. on June, 2007 by the United States Patent and Trademark Office.
In accordance with an aspect of the present invention, an image heating apparatus is provided for fusing an unfixed toner image to a substrate including a housing base for supporting a heater, and a thin film or belt extending around the housing base and heater. The heater is held to the housing base by a fastener structure that may include a pair of retainer clips having opposing ends attached to the housing base and having a central portion extending across the heater for retaining the heater in position. The clips may include outwardly extending walls for engaging edges of the belt to maintain the lateral position of the belt.