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:
Oct. 13, 2026
Filed:
Feb. 20, 2025
Canon Kabushiki Kaisha, Tokyo, JP;
Shunsuke Hijikata, Kanagawa, JP;
Yuuji Obukuro, Saitama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus incluses an apparatus main body, a first cartridge that is detachably attachable to the apparatus main body, and a second cartridge that is detachably attachable to the apparatus main body. The first cartridge includes a storage chamber that stores developer, a rotational shaft provided in the storage chamber so as to be rotatable about a rotational axis line, a flexible member that has one end and an other end in a direction crossing the rotational axis line, the one end being a free end and the other end being a fixed end fixed to the rotational shaft, and a magnetism generating member that is fixed between the fixed end exclusive and the free end inclusive of the flexible member. The second cartridge includes a sensor for detecting magnetism generated by the magnetism generating member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile