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:
Dec. 18, 2018

Filed:

Dec. 08, 2017
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventor:

Koji Suenami, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0893 (2013.01); G03G 15/0877 (2013.01); G03G 15/0921 (2013.01); G03G 2215/083 (2013.01);
Abstract

A stirring conveyance member includes a rotary shaft, a first spiral blade, and a second spiral blade. The first spiral blade has first cutouts each provided in a specific region adjacent to and upstream of a point of intersection with the second spiral blade in the conveyance direction of the powder by the first spiral blade. The second spiral blade has second cutouts each provided in a specific region adjacent to and upstream of a point of intersection with the first spiral blade in a conveyance direction of the powder by the second spiral blade. A radial height of the first spiral blade in portions where the first cutouts are provided is lower than a radial height of the second spiral blade in portions where the second cutouts are not provided.


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