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:
Sep. 22, 2015
Filed:
May. 14, 2014
Junji Yamabe, Shizuoka, JP;
Seiji Terazawa, Shizuoka, JP;
Shinji Tamaki, Tokyo, JP;
Kenji Kikuchi, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Ryoichi Teranishi, Shizuoka, JP;
Hiroshi Ikeguchi, Saitama, JP;
Michiharu Suzuki, Kanagawa, JP;
Junji Yamabe, Shizuoka, JP;
Seiji Terazawa, Shizuoka, JP;
Shinji Tamaki, Tokyo, JP;
Kenji Kikuchi, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Ryoichi Teranishi, Shizuoka, JP;
Hiroshi Ikeguchi, Saitama, JP;
Michiharu Suzuki, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner housing container includes: container body; conveying portion; pipe receiving port; and uplifting portion. Container body includes; protruding portion protruding from container body interior side of container opening portion to one end of container body; and shutter member moving between closing and opening positions to close and open container opening portion. Uplifting portion includes: uplifting wall surface extending from container body internal wall surface toward protruding portion; and curving portion curving to conform to protruding portion. Shutter member moves from closing to opening position upon push by conveying pipe. When toner housing container is mounted on toner conveying device, protruding portion is present between curving portion and toner receiving port of conveying pipe inserted and extends along shutter member moving region. Toner has bulk density of ≦0.399 g/cmwhen toner housing container is shaken up-and-down 10 times at 25° C., 50% RH, and put such that container opening portion faces downward.