Fuser roller

Abstract

in an electrophotographic copier a fuser roller for fusing images to a copy. The fuser roller includes an inner rigid core of heat transmissive or heat conductive material having an outer surface of generally dome-shaped longitudinal profile and an outer resilient cover having an inner surface generally conforming to the outer surface of said core and having an outer surface of generally hour-glassed shaped longitudinal profile. The fuser roller is provided with a heating element internal to the inner core. In a duplex copier, identical fusing rollers forming a roller pair are provided to fuse images to both sides of a copy.

Description