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. 26, 2022
Filed:
May. 17, 2021
Kyocera Document Solutions Inc., Osaka, JP;
Masashi Fujishima, Osaka, JP;
Norio Kubo, Osaka, JP;
Asami Sasaki, Osaka, JP;
Yasuhiro Tauchi, Osaka, JP;
Tamotsu Shimizu, Osaka, JP;
Akira Matayoshi, Osaka, JP;
Masaki Kadota, Osaka, JP;
Koji Suenami, Osaka, JP;
Yuji Toyota, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A developing device includes a developer container, a developer carrier, and first and second stirring/conveying members. The developer container includes a first partition wall partitioning between the two conveying chambers longitudinally, a first communication portion for passing developer from the first to the second conveying chamber, a second communication portion for passing developer from the second to the first conveying chamber, a developer supply port for supplying developer in, a developer discharge portion for discharging excessive developer, a second partition wall arranged, adjacent to the regulating portion, downstream of the second communication portion to partition between the first conveying chamber and the regulating portion, and a shield portion connected to the two partition walls to bridge between them to shield a top part of the second communication portion. A gap is formed between an upper end part of the shield portion and the inner surface of the developer container.