Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidetoshi Katayanagi0
Date of Patent
February 5, 2008
Patent Application Number
11132408
Date Filed
May 19, 2005
Patent Primary Examiner
Patent abstract
An image forming apparatus includes: a heating unit; a pressure roller; a separation roller whose diameter is smaller than the pressure roller's one; a belt which connects the pressure roller and the separation roller to form a pressure unit, wherein the pressure roller presses the heating unit through the belt to fix a toner image on a sheet of paper passing through a nip between the heating unit and the pressure unit, wherein the separation roller is located such that a direction of the belt from the pressure roller to the separation roller coincides with a tangent to an imaginary circle which the pressure roller forms at the nip or is on a pressure roller side with respect to the tangent.
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