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. 12, 2022
Filed:
Dec. 16, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Rikiya Takemasa, Chiba, JP;
Hidekazu Tatezawa, Saitama, JP;
Yutaro Tsuno, Tokyo, JP;
Kenichi Tanaka, Ibaraki, JP;
Youichi Chikugo, Chiba, JP;
Mitsuru Hasegawa, Ibaraki, JP;
Hiroki Kawai, Chiba, JP;
Suguru Takeuchi, Chiba, JP;
Ayano Ogata, Ibaraki, JP;
Yasuharu Toratani, Chiba, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fixing device for fixing a toner image on a sheet includes a rotatable fixing belt; a heating roller wherein the belt is stretched and entrained around the heating roller to heat the belt; a pressing pad of resin material provided inside of the belt; a rotatable pressing member contacting an outer peripheral surface of the belt and pressing against the pad through the belt to form a nip configured to nip and feed the sheet; a supporting metal stay supporting the pad and including a planar bottom surface faced to the pad; and projected portions integrally molded with the pad and provided along a widthwise direction of the pad, the projected portions projecting and contacting to the bottom surface such that the pad is supported by the stay. A contact area between the projected portions and the bottom surface is not less than 5% and not more than 40% of the area of the bottom surface.