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. 15, 2013
Filed:
Mar. 09, 2011
Asami Sasaki, Osaka, JP;
Norio Kubo, Osaka, JP;
Asami Sasaki, Osaka, JP;
Norio Kubo, Osaka, JP;
Kyocera Document Solutions Inc., Osaka, JP;
Abstract
A developing device includes: a developing container partitioned into a stirring-transport chamber, a supplying-transport chamber, and a collecting-transport chamber; a developer carrying member for carrying the developer on a surface thereof; a supplying-transport member located within the supplying-transport chamber; a stirring-transport member located within the stirring-transport chamber, for stirring and transporting the developer in a reverse direction to the supplying-transport member; a collecting-transport member located within the collecting-transport chamber, for stirring and transporting the developer in the same direction as the supplying-transport member; a first developer passage for passing the developer from the stirring-transport chamber to the supplying-transport chamber; a second developer passage for passing the developer from the supplying-transport chamber to the stirring-transport chamber, in which a communication portion for passing the developer from the collecting-transport chamber to the supplying-transport chamber is provided on an upstream side of the second developer passage in terms of a developer transporting direction.