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:
Nov. 10, 2009
Filed:
Aug. 01, 2007
Applicants:
Kohji Hatayama, Osaka, JP;
Tomofumi Inoue, Osaka, JP;
Takeshi Sakashita, Osaka, JP;
Yuuji Meguro, Ibaraki, JP;
Takeru Muramatsu, Ibaraki, JP;
Inventors:
Kohji Hatayama, Osaka, JP;
Tomofumi Inoue, Osaka, JP;
Takeshi Sakashita, Osaka, JP;
Yuuji Meguro, Ibaraki, JP;
Takeru Muramatsu, Ibaraki, JP;
Assignee:
Ricoh Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A shutter is rotatably supported by a first powder guiding member. When the first powder guiding member and a second powder guiding member occupy powder guiding positions, the shutter takes an open position. At this moment, a rear end of an upper surface of an open/close plate of the shutter is positioned on an inner side of an upper opening of the second powder guiding member.