The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2008
Filed:
Nov. 23, 2005
Masahiro Onodera, Hino, JP;
Masahiro Onodera, Hino, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An image forming apparatus including: an image forming section to form a toner image on a recording sheet; a fixing device which has a fixing roller, an endless fixing belt trained with a tension about at least two rollers including the fixing roller, a heating device to heat the endless fixing belt, and a pressure roller to press the fixing roller through the endless belt, wherein the fixing device fixes the toner image on the recording sheet at a nip portion formed between the heated endless fixing belt and the pressure roller; a tension changing section to change the tension of the endless fixing belt; a recording sheet discriminating section to discriminate a type of recording sheet to be used; and a controller controling to make the tension changing section to change the tension of the fixing belt corresponding to the type of recording sheet.