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:
Dec. 27, 2011
Filed:
Mar. 09, 2009
Hiroko Furukata, Saitama, JP;
Shigeru Watanabe, Saitama, JP;
Kiichirou Arikawa, Saitama, JP;
Yasutaka Gotoh, Saitama, JP;
Hiroko Furukata, Saitama, JP;
Shigeru Watanabe, Saitama, JP;
Kiichirou Arikawa, Saitama, JP;
Yasutaka Gotoh, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A fixing device includes a heating rotating body that is heated by a heater and rotates, a pressurizing rotating body that is in contact with a surface portion of the heating rotating body and rotates, and that forms a fixing portion, a pressing mechanism that presses the pressurizing rotating body against the heating rotating body and that uses a plurality of springs disposed on both end portions of the pressurizing rotating body in a direction of the second rotation shaft, and a switching mechanism that switches between a first pressing state in which first combination of springs selected from among the plurality of springs are maintained and a second pressing state in which second combination of springs selected from among the plurality of springs except the first combination of the springs are maintained.