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. 02, 2014
Filed:
Mar. 08, 2011
Applicant:
Yuichi Makino, Abiko, JP;
Inventor:
Yuichi Makino, Abiko, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/20 (2006.01); G03G 21/00 (2006.01); G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus includes a corona charger, including a charging electrode, for charging a photosensitive member; a cleaning member for cleaning the charging electrode; a shutter in the form of a sheet for opening and closing an opening provided between the charging electrode of the corona charger and the photosensitive member; a driving unit for driving the shutter and the cleaning member; a fan for supplying the air toward the photosensitive member through the opening of the corona charger; and a controller for controlling the fan such that an air supply operation of the fan is stopped before the shutter operates to close the opening.