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, 2012
Filed:
Oct. 13, 2009
Applicants:
Yasuyuki Fukunaga, Osaka, JP;
Mitsuhiro Goda, Osaka, JP;
Yoshitaka Imanaka, Osaka, JP;
Inventors:
Assignee:
Kyocera Mita Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A charging unit in an image forming apparatus includes a charging roller that charges a photosensitive drum using a charging bias, an insulating casing surrounding the charging roller, and a metal shield member. The shield member is positioned so as to surround the casing in close contact with the outer peripheral surface of the casing.