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:
Apr. 09, 2013
Filed:
Nov. 17, 2009
Masanobu Nakajima, Toride, JP;
Masanobu Nakajima, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a rotatable photosensitive member; a corona charger provided with an opening opposed to a surface of the photosensitive member; image forming means for forming a toner image on the photosensitive member; a shutter for opening and closing the opening relative to the photosensitive member; sliding means for sliding in contact with the photosensitive member; measuring means for measuring time elapsed from end of image formation; and control means for controlling the apparatus on the basis of an output of the measuring means such that shutter is closed and the photosensitive member is rotated in contact with the sliding means.