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. 29, 2015

Filed:

Apr. 24, 2014
Applicants:

Teppei Kikuchi, Kanagawa, JP;

Hideki Kosugi, Kanagawa, JP;

Tatsuya Kubo, Kanagawa, JP;

Akira Fujimori, Kanagawa, JP;

Kentaro Nodera, Kanagawa, JP;

Shinnosuke Koshizuka, Kanagawa, JP;

Inventors:

Teppei Kikuchi, Kanagawa, JP;

Hideki Kosugi, Kanagawa, JP;

Tatsuya Kubo, Kanagawa, JP;

Akira Fujimori, Kanagawa, JP;

Kentaro Nodera, Kanagawa, JP;

Shinnosuke Koshizuka, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0889 (2013.01); G03G 15/0865 (2013.01); G03G 15/0875 (2013.01); G03G 15/0832 (2013.01); G03G 15/0834 (2013.01); G03G 2215/0665 (2013.01); G03G 2215/085 (2013.01); G03G 2215/0819 (2013.01);
Abstract

A toner cartridge includes a toner container to store toner and two rotary agitation members to rotate to agitate toner in the toner container. The toner container has two arc-shaped portions adjacent to each other at an inner bottom wall of the toner container. The two rotary agitation members has edges to rotate along the two arc-shaped portions with rotation phases thereof shifted from each other. The two rotary agitation members are placed with rotation trajectories thereof partially overlapping each other.


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