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. 07, 2021

Filed:

Jan. 07, 2021
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventor:

Tomohisa Soda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0868 (2013.01); G03G 15/0891 (2013.01); G03G 15/0879 (2013.01);
Abstract

Toner replenishment units include an upper toner container, a lower toner container, a first vertical conveyance pipe, a second vertical conveyance pipe, a third vertical conveyance pipe, a first horizontal conveyance pipe, a second horizontal conveyance pipe, and a confluence section. A first conveyance screw is included in the horizontal conveyance pipe and a second conveyance screw is included in the second horizontal conveyance pipe. A first inter-axis distance between a first horizontal rotation axis of the first conveyance screw and a third vertical pipe axis of the third vertical conveyance pipe, and a second inter-axis distance between a second horizontal rotation axis of the second conveyance screw and the third vertical pipe axis are set to take a different value.


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