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:
Jan. 24, 2012

Filed:

Dec. 11, 2008
Applicants:

Tomofumi Yoshida, Osaka, JP;

Hirobumi Ooyoshi, Osaka, JP;

Kenzo Tatsumi, Osaka, JP;

Yoshihiro Kawakami, Hyogo, JP;

Yoshiyuki Shimizu, Hyogo, JP;

Tomohiro Kubota, Osaka, JP;

Yutaka Naitoh, Hyogo, JP;

Inventors:

Tomofumi Yoshida, Osaka, JP;

Hirobumi Ooyoshi, Osaka, JP;

Kenzo Tatsumi, Osaka, JP;

Yoshihiro Kawakami, Hyogo, JP;

Yoshiyuki Shimizu, Hyogo, JP;

Tomohiro Kubota, Osaka, JP;

Yutaka Naitoh, Hyogo, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

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

A toner agitating unit is located in a toner hopper that houses toner used for developing a latent image. The toner agitating unit includes a rotary shaft and an agitating member. The agitating member is a flat plate made of resin. The agitating member has a plurality of slits extending from an outer edge of the agitating member toward the rotary shaft.


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