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. 06, 2015
Filed:
May. 20, 2014
Masana Shiba, Shizuoka, JP;
Shingo Sakashita, Shizuoka, JP;
Junichi Awamura, Shizuoka, JP;
Tomoki Murayama, Kanagawa, JP;
Chihiro Kikuchi, Kanagawa, JP;
Masaya Fukuda, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Hiroshi Ikeguchi, Saitama, JP;
Kenji Kikuchi, Kanagawa, JP;
Michiharu Suzuki, Kanagawa, JP;
Masana Shiba, Shizuoka, JP;
Shingo Sakashita, Shizuoka, JP;
Junichi Awamura, Shizuoka, JP;
Tomoki Murayama, Kanagawa, JP;
Chihiro Kikuchi, Kanagawa, JP;
Masaya Fukuda, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Shunji Katoh, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Hiroshi Ikeguchi, Saitama, JP;
Kenji Kikuchi, Kanagawa, JP;
Michiharu Suzuki, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A toner housing container includes: a container body housing a toner; a conveying portion; a pipe receiving port; and an uplifting portion. Flow rate index of the toner measured by powder rheometer and represented by 'flow rate index=(total energy at a rotation speed of 10 mm/s)/(total energy at a rotation speed of 100 mm/s)' is in a range of '1.8≦flow rate index≦6.5'. Container body includes protruding portion protruding from container body interior side of container opening portion toward one end of container body. 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. When the toner housing container is mounted on the toner conveying device, the protruding portion is present between the curving portion and the toner receiving port of the conveying pipe being inserted.