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:
Mar. 11, 2025
Filed:
Sep. 05, 2023
Kyocera Document Solutions Inc., Osaka, JP;
Eiji Nakajima, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A fixing device includes a first rotary member, a second rotary member, a pressing mechanism, and a heat-levelling member. The second rotary member is formed in a reverse-camber shape. The pressing mechanism can form a fixing nip and can reduce the pressing force between the first and second rotary members. The heat-levelling member, in a reduced-pressure state where the pressing force is lower than the fixing nip pressure, stays in contact with a part of the outer circumferential surface of the second rotary member elsewhere than the fixing nip, over the entire range in the rotation axis direction, to equalize the surface temperature of the second rotary member and, in a state where the pressing force is equal to or higher than the fixing nip pressure, stays away from the outer circumferential surface.