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:
Sep. 01, 2015

Filed:

Aug. 13, 2014
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventor:

Eiji Gyotoku, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0849 (2013.01); G03G 15/0856 (2013.01); G03G 15/0893 (2013.01); G03G 15/0889 (2013.01); G03G 15/0891 (2013.01);
Abstract

A developing device includes a developing container, a first agitating feeding member, a second agitating feeding member, a first developer delivery portion, a second developer delivery portion, and a toner sensor. The developing container includes a first transport path and a second transport path. The first agitating feeding member and the second agitating feeding member agitate and feed developer. The first developer delivery portion delivers the developer from the first transport path to the second transport path. The second developer delivery portion delivers the developer from the second transport path to the first transport path. The toner sensor is disposed at a part of the first transport path near the first developer delivery portion. A ceiling height of a part of the first transport path facing the first developer delivery portion is larger than a ceiling height of other part of the first transport path.


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