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:
Jan. 22, 2019
Filed:
Feb. 21, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Naoki Hayashi, Yokohama, JP;
Keisuke Fujita, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a photosensitive drum, an image forming portion for forming an image on the drum and for transferring the image to a sheet, and a fixing portion for fixing the image on the sheet, while heating the sheet in a fixing nip. The fixing portion is provided above the drum, and includes a first roller, a second roller cooperative with the first roller to form the fixing nip, first and second covers for protecting the first and second rollers, respectively, and at least one opening for fluid communication between an inside and an outside of the fixing portion, the opening being provided in the first cover at a position that is lower than a line connecting a rotation axis of the first roller and a rotation axis of the second roller, as seen along a rotational axis of the second roller.