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. 30, 2025

Filed:

Oct. 10, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hiroomi Matsuzaki, Shizuoka, JP;

Hiroki Ogino, Shizuoka, JP;

Tetsuo Uesugi, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0879 (2013.01); G03G 15/0865 (2013.01); G03G 15/0874 (2013.01); G03G 15/0868 (2013.01); G03G 15/087 (2013.01); G03G 15/0886 (2013.01); G03G 2215/066 (2013.01); G03G 2215/0682 (2013.01);
Abstract

An image forming apparatus includes a pump portion that is variable in volume, a feeding path portion including a connection opening communicating with the pump portion at one end and including a discharge opening at the other end, and a toner accommodating portion connected to a communicating opening that is an intermediate portion between the one end and the other end of the feeding path portion. The apparatus also includes a main assembly path porting including a pipe configured to feed toner upward from the discharge opening toward the receiving opening by air flow generated by the pump portion.


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