| US 7,519,317 B2 | ||
| Developer container, developer supplying device, and image forming apparatus | ||
| Hiroshi Hosokawa, Kanagawa (Japan); Kiyonori Tsuda, Kanagawa (Japan); Satoshi Narumi, Kanagawa (Japan); Ryuta Takeichi, Kanagawa (Japan); Yuji Arai, Kanagawa (Japan); Masanori Kawasumi, Kanagawa (Japan); Kazuhiko Umemura, Shizuoka (Japan); Hiroshi Ishii, Kanagawa (Japan); Yutaka Fukuchi, Kanagawa (Japan); Kazuki Suzuki, Saitama (Japan); Yuusuke Noguchi, Kanagawa (Japan); Kazuosa Kuma, Kanagawa (Japan); and Makoto Kikura, Kanagawa (Japan) | ||
| Assigned to Ricoh Company, Ltd., Tokyo (Japan) | ||
| Filed on Aug. 27, 2007, as Appl. No. 11/845,590. | ||
| Application 11/845590 is a division of application No. 10/864672, filed on Jun. 10, 2004, granted, now 7,321,744. | ||
| Application 10/864672 is a continuation of application No. PCT/JP2004/002025, filed on Feb. 20, 2004. | ||
| Claims priority of application No. 2003-052658 (JP), filed on Feb. 28, 2003; application No. 2003-054478 (JP), filed on Feb. 28, 2003; and application No. 2004-004668 (JP), filed on Jan. 09, 2004. | ||
| Prior Publication US 2008/0003021 A1, Jan. 03, 2008 | ||
| Int. Cl. G03G 15/08 (2006.01) | ||
| U.S. Cl. 399—258 [399/262] | 25 Claims |
| 12. A cylindrical developer container which has a main part accommodating a developer therein and is detachably attached to
an image forming apparatus, comprising:
a rotation unit which is rotatable relative to the container main part;
an outlet provided on the rotation unit to discharge the developer in the developer container;
a shutter provided on the rotation unit to open and close the outlet by rotation of the rotation unit when the container is
attached to the image forming apparatus; and
an engagement unit provided on a peripheral side portion of the rotation unit, the engagement unit being engaged with the
image forming apparatus to prevent rotation of the rotation unit.
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