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.

Date of Patent:
Aug. 23, 2011

Filed:

Jul. 15, 2010
Applicants:

Takashi Hatakeyama, Kanagawa-ken, JP;

Hiroshi Murata, Kanagawa-ken, JP;

Inventors:

Takashi Hatakeyama, Kanagawa-ken, JP;

Hiroshi Murata, Kanagawa-ken, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A developing unit and a developer stirring and transporting method are provided that enable smooth discharge of a developer in the developing unit without being affected by the inclination of the developing unit. A developing unithas a developing roller, a housing unitconfigured to house a developer and having in its sidewall a discharge portwhich discharges overflowing developer, a stirring and transporting memberconfigured to stir and transport the developer along a passageformed in the housing unit, and a deposit structure unitprovided in the passageand configured to raise the height position of a bottom surfacepart of the passagecorresponding at least to the discharge portto a position higher than the other areas of the passage, and thereby deposit the developer near the discharge port


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