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:
Apr. 14, 2009
Filed:
Aug. 27, 2007
Hiroshi Hosokawa, Kanagawa, JP;
Kiyonori Tsuda, Kanagawa, JP;
Satoshi Narumi, Kanagawa, JP;
Ryuta Takeichi, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Masanori Kawasumi, Kanagawa, JP;
Kazuhiko Umemura, Shizuoka, JP;
Hiroshi Ishii, Kanagawa, JP;
Yutaka Fukuchi, Kanagawa, JP;
Kazuki Suzuki, Saitama, JP;
Yuusuke Noguchi, Kanagawa, JP;
Kazuosa Kuma, Kanagawa, JP;
Makoto Kikura, Kanagawa, JP;
Hiroshi Hosokawa, Kanagawa, JP;
Kiyonori Tsuda, Kanagawa, JP;
Satoshi Narumi, Kanagawa, JP;
Ryuta Takeichi, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Masanori Kawasumi, Kanagawa, JP;
Kazuhiko Umemura, Shizuoka, JP;
Hiroshi Ishii, Kanagawa, JP;
Yutaka Fukuchi, Kanagawa, JP;
Kazuki Suzuki, Saitama, JP;
Yuusuke Noguchi, Kanagawa, JP;
Kazuosa Kuma, Kanagawa, JP;
Makoto Kikura, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A developer container has a main part accommodating a developer therein and is detachably attached to an image forming apparatus. The developer container comprises a rotation unit which is rotatable to the developer container main part and having an outlet to discharge developer from the developer container, a shutter provided on the rotation unit to open and close the outlet by rotation of the rotation unit, and an engagement unit provided on the periphery side portion of the rotation unit in order to prevent rotation of the rotation unit when attached to the image forming apparatus.