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:
Jul. 24, 2018
Filed:
Oct. 07, 2016
Applicant:
Sayuri Katoh, Kanagawa, JP;
Inventors:
Keiichi Yoshida, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Ichiro Kadota, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0891 (2013.01); G03G 21/18 (2013.01);
Abstract
A developing device includes a developer bearer to bear developer, a developer containing compartment disposed lower than the developer bearer, and a conveying screw disposed in the developer containing compartment. The developing device further includes an inclined face extending from an inner wall of the developer containing compartment obliquely upward toward the developer bearer, and the inclined face opposes the conveying screw from above.