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:
Jun. 19, 2007
Filed:
Mar. 02, 2005
Applicants:
Kazuhiro Matsuyama, Nara, JP;
Hirokazu Yamauchi, Kyoto, JP;
Yoshiaki Masuda, Nara, JP;
Hiroshi Kida, Nara, JP;
Inventors:
Kazuhiro Matsuyama, Nara, JP;
Hirokazu Yamauchi, Kyoto, JP;
Yoshiaki Masuda, Nara, JP;
Hiroshi Kida, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 15/08 (2006.01); B65G 33/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An embodiment of a screw conveyor includes a rotating shaft and a conveying blade helically formed around and loosely coupled with the rotating shaft. One or both of two edges of the conveying blade is/are only fixed to the rotating shaft, and a gap is provided between the rotating shaft and the conveying blade. Thereby, the conveying blade can be vibrated in a center axis direction of the rotating shaft by rotation of the rotating shaft and conveyed waste developer.