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:
Jan. 15, 2019
Filed:
Mar. 07, 2018
Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;
Yoshiki Nakane, Toyokawa, JP;
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Abstract
A charger includes a charging roller and a support portion which rotationally supports the charging roller. The charging roller includes a first region which is opposed to the support portion and a second region which is not opposed to the support portion. The charging roller includes a conductive shaft, an end part cover portion which is in contact with and covers the conductive shaft in a portion corresponding to the first region and is in slide contact with the support portion, and a high-resistance coating which is in contact with and covers the conductive shaft in a portion corresponding to the second region and abuts on a charged object. An inner end portion of the end part cover portion is covered with the high-resistance coating, and a thickness of the high-resistance coating is equal to or greater than a thickness of the end part cover portion.