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:
Dec. 16, 2025
Filed:
Nov. 21, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Tatsuyuki Yamamoto, Tokyo, JP;
Akihito Kamura, Chiba, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A developer replenishment container configured to be detachably attachable to a developer replenishment device and replenish via the developer replenishment device is disclosed. The developer replenishment container including: a developer replenishment portion with a replenishment port; a developer accommodation portion having accommodate a developer; and an annular seal member for sealing a gap between the developer replenishment portion and the developer accommodation portion. The developer accommodation portion has an annular abutment portion provided at an end portion on a developer replenishment portion side in a direction of an axis which is a rotation center of the developer accommodation portion and provided to be in contact with the seal member in the direction of the axis; and a projecting portion provided near the abutment portion and provided to project toward the developer replenishment portion further than the abutment portion in the direction of the axis.