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. 23, 2007

Filed:

May. 28, 2004
Applicants:

Takashi Serizawa, Tokyo, JP;

Eisaku Muto, Tokyo, JP;

Yukiyoshi Oda, Tokyo, JP;

Junichi Ito, Tokyo, JP;

Inventors:

Takashi Serizawa, Tokyo, JP;

Eisaku Muto, Tokyo, JP;

Yukiyoshi Oda, Tokyo, JP;

Junichi Ito, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/12 (2006.01); G03G 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A toner draining mechanism has a hollow member and a conveying member which is arranged in the hollow member and conveys toner. A toner draining port for draining the conveyed toner is formed in the hollow member. The toner draining port is formed above a bottom surface of the hollow member. Therefore, when a toner cartridge is exchanged, the toner near the toner draining port does not drop into an image forming apparatus. Thus, it is possible to prevent the toner from dirtying the inside of the image forming apparatus.


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