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:
Feb. 03, 2015
Filed:
Nov. 08, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Masatsugu Toyonori, Yokohama, JP;
Ryota Matsumoto, Yokohama, JP;
Yuki Narumi, Hiratsuka, JP;
Koichi Hashimoto, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a charging device and an image forming apparatus that can restrict generation of a winding-seam irregularity of a roll brush for a long period. A charging deviceis configured so that, when first and second charging membersandperform charging processing on a rotating photosensitive member, a regionon a surface of the photosensitive memberfacing a winding seam, which is a seam of a base clothserving as a base material of the first charging member, is not superposed on a regionon the surface of the photosensitive memberfacing a winding seam, which is a seam of a base clothserving as a base material of the second charging member