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.

Patent No.:

US 7881641 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 01, 2011

Filed:

Mar. 27, 2009
Applicants:

Takeshi Aoki, Matsumoto, JP;

Katsumi Okamoto, Azumino, JP;

Koji Migita, Matsumoto, JP;

Makoto Sato, Matsumoto, JP;

Masashi Nakatsu, Shiojiri, JP;

Inventors:

Takeshi Aoki, Matsumoto, JP;

Katsumi Okamoto, Azumino, JP;

Koji Migita, Matsumoto, JP;

Makoto Sato, Matsumoto, JP;

Masashi Nakatsu, Shiojiri, JP;

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

A developing cartridge includes: a developer carrier which carries toner; a toner supply member which supplies the toner to the developer carrier; a regulation member which regulates an amount of toner on the developer carrier; a developing chamber which has the developer carrier and the toner supply member; a transport section which is connected to an upper portion and a lower portion of the developing chamber and transports the toner from the lower portion of the developing chamber to the upper portion of the developing chamber; and a transport member which is disposed inside the transport section and transports the toner while agitating the toner. A capacity of the transport section is larger than a capacity of the developing chamber.


Find Patent Forward Citations

Aoki, Takeshi. (2011). Developing cartridge, developing device, and image forming apparatus (U.S. Patent No. 7881641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7881641

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