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:
Sep. 05, 2017
Filed:
Jun. 07, 2016
Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;
Naoki Kataoka, Toyokawa, JP;
Takeru Kinoshita, Toyokawa, JP;
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Abstract
A fixing device and an image forming apparatus to pass a paper through a nip portion between a fixing roller and a pressure roller and fix a toner image on the paper. The image forming apparatus includes a first spring and a second spring to press the pressure roller against the fixing roller and an operation lever to change a pressing state of the springs. The operation lever has two positions of: a first position in which pressing of the pressure roller by the first spring is made active and pressing by the second spring is made inactive; and a second position in which the pressing by the second spring is made active and the pressing by the first spring is made inactive. A contact pressure of the pressure roller against the fixing roller is differentiated in the first position and in the second position.