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:
Aug. 30, 2022
Filed:
Oct. 05, 2021
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takashi Nomura, Shizuoka, JP;
Kazuya Nakai, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/206 (2013.01); G03G 15/2053 (2013.01); G03G 15/2057 (2013.01);
Abstract
A roller used in a fixing device includes a rubber layer including a plurality of void portions, pore passage portions connecting the void portions, and a filler, wherein an aspect ratio RA of the filler is 2.5≤RA≤215, and a linear expansion coefficient of the rubber layer is less than or equal to 400×10/K.