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:
Jan. 14, 2020
Filed:
Aug. 30, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Kodai Hayashi, Suntou-gun, JP;
Shinichi Agata, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing device includes developer, a developer bearing member, and a supply member that is in contact with the developer bearing member and supplies the developer. The developing device further includes a developing chamber in which the developer bearing member and the supply member are disposed, a developer containing chamber that contains the developer, a partition wall that partitions the developing chamber and the developer containing chamber from each other and is provided with an opening that communicates the developing chamber and the developer containing chamber with each other, and a conveyance member that conveys the developer from the developer containing chamber to the developing chamber. The conveyance member is provided with a hole through which the developer can pass or has a protrusion that generates a gap between the conveyance member and the partition wall.