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:
Apr. 11, 2023
Filed:
Nov. 29, 2021
Sharp Kabushiki Kaisha, Sakai, JP;
Tohru Sakuwa, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A process unit includes: a photosensitive drum on a surface of which a toner image is formed; a charging roller being pressed against the photosensitive drum so as to charge the photosensitive drum; a cleaning roller being pressed against the charging roller so as to clean the charging roller; and at least one biasing member biasing the charging roller or the cleaning roller. A central axis of the photosensitive drum is located at a position not overlapping with a central axis line passing through a central axis of the charging roller and a central axis of the cleaning roller. A biasing direction of the at least one biasing member is on a same line as the central axis line.