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:
Sep. 21, 2010
Filed:
May. 18, 2007
Applicant:
Hiroya Hirose, Kanagawa, JP;
Inventor:
Hiroya Hirose, Kanagawa, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing device includes a container, a stirring and transferring unit, a replenishing unit, and a discharging mechanism. The container contains developer including toner and carrier. The stirring and transferring unit is located in the container to mix and stir the toner and the carrier, and circulates the developer in the container. The replenishing unit replenishes the container with developer from an opening of the container. The discharging mechanism discharges surplus developer out of the container, and is located on a rotation shaft of the stirring and transferring unit.