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. 23, 2014
Filed:
Oct. 10, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Masahiro Nawa, Kumamoto, JP;
Kazuaki Aoki, Moriya, JP;
Shouhei Takeda, Toride, JP;
Yasuo Nami, Toride, JP;
Naoyuki Yamamoto, Kashiwa, JP;
Koji Takematsu, Abiko, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heater a hollow heating roller having a hole at an axial end portion thereof; a bearing supporting the heating roller; a heat insulating bush fitted between an outer surface of the heating roller and the bearing; a retaining ring for retaining the heat insulating bush in an axial direction of the heating roller, the retaining ring including a projection engaging with the hole; an annular spacer provided between the retaining ring and the heat insulating bush, wherein the spacer includes a connecting portion having a connecting hole, the retaining ring includes a hooking portion engaging with the connecting hole.