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:
Jun. 25, 2019
Filed:
Aug. 30, 2016
Fuji Xerox Co., Ltd., Tokyo, JP;
Masanori Kato, Ebina, JP;
Tomio Ohnuki, Ebina, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
A developing device includes a developer holding member that holds a developer, a supplying member that supplies the developer to the developer holding member, a transport member that transports the developer while passing the developer onto the supplying member through a passing member, the transport member including a discharge unit that discharges excess developer and that is provided downstream of the passing member in a transport direction, a detecting unit that is provided upstream of the discharge unit in the transport direction and that detects a toner concentration, and a retaining member that includes a non-application portion that prevents action of a force for transporting the developer radially outward and that retains the developer in a region corresponding to the detecting unit of the transport member.