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:
May. 05, 2009
Filed:
Apr. 24, 2006
Applicants:
Takashi Hirota, Kobe, JP;
Katsumi Adachi, Ikoma-gun, JP;
Shuichi Akedo, Sakai, JP;
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing device using a trickle system is realized which includes developer discharging means for (i) suppressing changes in discharge of developer due to inclinations of the developing device and (ii) maintaining the stability in amount of the developer in a developer tank. In the developing device, the developer tank includes agitating chambers parted by a partition, and each of the agitating chambers has an agitating screw. Further, discharging openings for discharging an excess of the developer in the developer tank are provided downstream in transport directions of the agitating screws, respectively.