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:
Jul. 07, 2015
Filed:
Sep. 10, 2013
Yoshihiro Fukuhata, Hyogo, JP;
Yoshiharu Takahashi, Osaka, JP;
Yoshihiro Fukuhata, Hyogo, JP;
Yoshiharu Takahashi, Osaka, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image forming apparatus includes an image forming unit to form a toner image on a recording medium and a fixing device. The fixing device includes a fixing belt to fix a toner image onto a recording medium transported to a fixing nip, a pressing member pressed against the fixing belt to form the fixing nip therebetween, a heating roller accommodating a heater to heat the fixing belt. A holder is provided to hold the heater at one end of the heater. An inner diameter of the heating roller and an outer diameter of the holder are substantially the same, and the heating roller and the holder partially overlap with each other in an axial direction of the heating roller. The interior and the exterior of the heating roller are preferably insulated by the heating roller and the holder by a prescribed degree not to change air pressure in the heating roller.