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:
Nov. 22, 2016

Filed:

Mar. 31, 2015
Applicants:

Tomofumi Yoshida, Ikeda, JP;

Takafumi Miyazaki, Osaka, JP;

Rie Mitani, Takarazuka, JP;

Yasuhide Ohkubo, Toyonaka, JP;

Yuusuke Furuichi, Ikeda, JP;

Inventors:

Tomofumi Yoshida, Ikeda, JP;

Takafumi Miyazaki, Osaka, JP;

Rie Mitani, Takarazuka, JP;

Yasuhide Ohkubo, Toyonaka, JP;

Yuusuke Furuichi, Ikeda, 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 15/0891 (2013.01);
Abstract

A developing device includes a housing to store a powder, a developing roller to hold the powder, a supplying roller to supply the powder to the developing roller, a regulator to regulate the powder held by the developing roller, a powder conveyer to convey the powder for image forming, a first powder storing chamber, and a second powder storing chamber. The powder conveyor includes a first conveying part that includes a rotating axis, and a conveying surface inclined with respect to the rotating axis along a direction of the rotating axis. The powder conveyor further includes a second conveying part that includes a conveying surface parallel to the rotating axis along the direction of the rotating axis, and the first conveying part and the second conveying part are disposed alternately along the direction of the rotating axis.


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