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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.:

US 10824086 B1

PDFFull Text
Date of Patent:
Nov. 03, 2020

Filed:

Sep. 24, 2019

Image forming apparatus including a cleaning member that has a spiral portion of different edge surface widths among different regions

Applicant:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventor:

Tomoyuki Kato, Tagata Shizuoka, JP;

Assignee:

TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Kim & Stewart LLP

Primary Examiner:

Quana Grainger

Int. Cl.
CPC ...
G03G 15/02 (2006.01); G03G 21/18 (2006.01); G03G 21/16 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0225 (2013.01); G03G 21/0058 (2013.01); G03G 21/169 (2013.01); G03G 21/1814 (2013.01); G03G 2221/0005 (2013.01);
Abstract

An image forming apparatus includes a photoconductive drum, a charging roller, and a cleaning member. The charging roller is positioned to contact a surface of the photoconductive drum and configured to charge the surface of the photoconductive drum. The cleaning member is configured to contact a surface of the charging roller. The cleaning member includes a shaft extending along a rotational axis and a spiral portion spiraling around the shaft along a length of the shaft parallel to the rotational axis. A width of the spiral portion at a central region of the cleaning member is greater than a width of the spiral portion at an end region of the cleaning member.

Find Patent Forward Citations

Quick Actions:

Kato, Tomoyuki. (2020). Image forming apparatus including a cleaning member that has a spiral portion of different edge surface widths among different regions (U.S. Patent No. 10824086). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10824086

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