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:
Oct. 25, 2011
Filed:
Sep. 26, 2008
Applicant:
Makoto Yabuki, Tokyo, JP;
Inventor:
Makoto Yabuki, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/095 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developer conveying apparatus includes a first developer storing portion, a second developer storing portion, and a conveying pipe that connects the first and second developer storing portions. The conveying pipe includes a tubular main body and a conveying member rotatably provided in the main body. A groove is formed on a surface of the conveying member, and the groove has a depth less than or equal to 5 μm.