Patent ID: 6137984
Filing Date: 2000-10-24
Classification: G03G

Abstract:
A toner image fixing apparatus comprising:a fixing roller;a pressing roller normally urged toward said fixing roller for pressing a sheet with an unfixed toner image carried on a surface thereof against said fixing roller to fix the unfixed toner image to said sheet when said sheet passes in one direction through a rolling contact region between said fixing roller and said pressing roller;a heating roller disposed on one side of said fixing roller opposite to said pressing roller, said heating roller having heating means disposed therein for heating said heating roller; andan endless heat transfer belt trained around said heating roller and said fixing roller for transferring heat from said heating means to heat the unfixed toner image on said sheet when said sheet passes through said rolling contact region;said heating roller being angularly positioned with respect to said fixing roller such that an angle formed between a line segment interconnecting the center of said heating roller and the center of said fixing roller and a reference line interconnecting the center of said fixing roller and the center of said pressing roller lies in a range from 105.degree. to 255.degree..