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:
Oct. 25, 2011
Filed:
Mar. 24, 2009
Takuji Matsumoto, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Takuji Matsumoto, Saitama, JP;
Kiyoshi Nagamine, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A developing device has: a developer housing chamber in which developer is housed; a developer holding member holding developer by magnetic force; a partitioning wall having an overlapping region that, in a transparent plan view, is positioned upward of the developer holding member and overlaps the developer holding member in an up/down direction; and an opening portion formed in the overlapping region of the partitioning wall. The partitioning wall is a portion of a separating wall of the developer housing chamber, and is provided between the developer housing chamber and the developer holding member.