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. 30, 2025
Filed:
Aug. 13, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A developing device having a developing portion and an agitating member agitating developer in a developer accommodating portion, the developer accommodating portion and the developing portion are connected to each other via an opening portion, and a sealing sheet connected to the agitating member is fixed to a periphery of the opening portion for sealing, and the sealing sheet can be removed from a fixing portion by operation of the agitating member, and, whereby the developer accommodating portion and the developing portion communicate with each other, and in a direction crossing a rotation axis direction of the agitating member, a projecting portion is provided on a downstream side of the fixing portion and on an upstream side of the opening portion, and a height of the projecting portion is higher than a height in a fixing-position projecting portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile