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:
Jul. 18, 2017
Filed:
Mar. 28, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroshi Sahara, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a fixing portion for fixing a toner image formed on a recording material thereon, the fixing portion including a heating member having a heat source, a pressing member cooperating with the heating member to form a nip while pressing against the heating member, and a frame containing the heating member and the pressing member; a first opening, provided in the frame, for permitting air to flow out of the frame; a second opening, provided in the frame, for permitting air to flow into the frame; and an external duct provided, outside the fixing portion, for guiding the air discharged through the first opening to the second opening. At least a part of an inner wall of the external duct is made of a metal plate, and the air introduced through the second opening is guided to the pressing member.