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:
May. 12, 2020
Filed:
Sep. 20, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Yuji Mitsui, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a fixing unit having a first shielding member configured to change an opening width of a first opening with respect to a longitudinal direction, a second shielding member configured to change an opening width of a second opening with respect to the longitudinal direction, and a controller that controls, on the basis of an output of a detector and size information of the recording material, the opening widths of the first opening and the second opening, so as to correspond to widths of non-passing portions of the recording material in the nip, by moving the first shielding member and the second shielding member in the longitudinal direction, respectively, when the recording material, having a size other than the maximum size, is inserted into the fixing unit.