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:
Dec. 23, 2014
Filed:
Jun. 22, 2012
Koji Takematsu, Abiko, JP;
Kazuaki Aoki, Moriya, JP;
Shouhei Takeda, Toride, JP;
Yasuo Nami, Toride, JP;
Naoyuki Yamamoto, Kashiwa, JP;
Masahiro Nawa, Toride, JP;
Koji Takematsu, Abiko, JP;
Kazuaki Aoki, Moriya, JP;
Shouhei Takeda, Toride, JP;
Yasuo Nami, Toride, JP;
Naoyuki Yamamoto, Kashiwa, JP;
Masahiro Nawa, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus includes a hollow image heating roller having a through hole at one axial end portion side thereof; a bearing fitted around the roller; a heat insulating bush fitted around the roller between the roller and the bearing; a retaining ring for preventing the heat insulating bush from moving relative to the roller; an annular spacer provided between the heat insulating bush and the retaining ring, the annular spacer being provided with an inwardly protruded key portion engageable with the through hole.