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:
Jun. 05, 2018
Filed:
Mar. 18, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Koichiro Masui, Numazu, JP;
Nobuyoshi Yoshida, Suntou-gun, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/08 (2006.01); G03G 15/04 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 15/04036 (2013.01); G03G 21/08 (2013.01); G03G 21/1803 (2013.01); G03G 2215/0132 (2013.01);
Abstract
An image forming apparatus includes a charging member, a light source, and a light quantity lowering member. The light quantity lowering member is provided so that a lowering amount of a quantity of a part of light reflected by a surface of a member at each of end portions of a charging region where the surface of the image bearing member is charged by the charging member is larger than that at a portion inside an associated end portion with respect to a rotational axis direction of the image bearing member.