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:
Aug. 02, 2016
Filed:
May. 04, 2015
Hiroshi Mizusawa, Tokyo, JP;
Kuniyori Takano, Kanagawa, JP;
Takuya Sekine, Kanagawa, JP;
Kohsuke Yamamoto, Kanagawa, JP;
Hiroshi Mizusawa, Tokyo, JP;
Kuniyori Takano, Kanagawa, JP;
Takuya Sekine, Kanagawa, JP;
Kohsuke Yamamoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A powder conveying device, including: a powder conveying path including a curved portion; and a conveying screw, wherein the conveying screw is disposed in the powder conveying path, and includes: a rotation axis portion having flexibility; and a blade portion, where the blade portion is helically formed on an outer periphery of the rotation axis portion, and is configured to convey a powder, wherein the conveying screw includes a conveying screw curved portion located in the curved portion of the powder conveying path, and wherein at least a surface of the blade portion of the conveying screw curved portion includes a slipping layer containing a silicon-containing compound.