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.:
Date of Patent:
Sep. 02, 2008
Filed:
Mar. 29, 2006
Yoshihiro Yamagishi, Osaka, JP;
Eiji Nimura, Osaka, JP;
Takaaki Kamei, Osaka, JP;
Asami Kotera, Osaka, JP;
Koji Suenami, Osaka, JP;
Yoshihiro Yamagishi, Osaka, JP;
Eiji Nimura, Osaka, JP;
Takaaki Kamei, Osaka, JP;
Asami Kotera, Osaka, JP;
Koji Suenami, Osaka, JP;
Kyocera Mita Corporation, , JP;
Abstract
A developing device () according to the present invention is provided with a housing () for holding toner, conveying screws () arranged in the housing () and each including a rotary shaft () and a blade () arranged on the rotary shaft () for conveying the toner from one end of the rotary shaft () toward the other end thereof by the rotation of the rotary shaft (), and a developing roller () provided in the housing with a part of the developing roller () being exposed from the housing, and rotatable to obtain the toner conveyed by the conveying screws (). The conveying screws () are constructed, for the efficient agitation of the toner, such that toner pressing forces of the blades () differ depending the angle of rotation of the rotary shaft ().