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. 20, 2015

Filed:

Jan. 28, 2013
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventors:

Koji Murata, Osaka, JP;

Naoki Yamane, Osaka, JP;

Tatsuhiko Yoshii, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); B65G 33/32 (2006.01); G03G 21/10 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0891 (2013.01); B65G 33/32 (2013.01); G03G 21/105 (2013.01); G03G 2215/0827 (2013.01);
Abstract

A toner conveying device of the present disclosure includes a conveying screw, a toner conveying pipe, and a plurality of convex portions that are formed on an inner wall surface of the toner conveying pipe. The conveying screw has a rotary shaft and a conveying vane that is formed on an outer peripheral surface of the rotary shaft. The toner conveying pipe has a circular section, and the conveying screw is rotatably disposed inside the toner conveying pipe. Each of the convex portions is formed within an area defined by half the circumference along the inner wall surface of the toner conveying pipe and supports the conveying screw so that an axial center of the rotary shaft substantially coincides with a center axis of the toner conveying pipe.


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