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. 29, 2009
Filed:
Nov. 21, 2007
Kenji Obuchi, Saitama, JP;
Keiji Sasaki, Saitama, JP;
Kenji Obuchi, Saitama, JP;
Keiji Sasaki, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A developer cartridge for supplying a toner-containing developer, including a developer containing portion; a developer recovery portion, disposed at one end of the developer containing portion in a longitudinal direction; a supply port that supplies the developer from the developer containing portion to the developing unit; a recovery port through which used developer supplied from the developing unit passes to the developer recovery portion; and an opening and closing member, coupled to the outer circumferential of the developer containing portion and the developer recovery portion, that opens or closes the supply port and the recovery port. The developer containing portion has first and second end portions, the first end portion being more slender than the second end portion and linked to the developer recovery portion, wherein a tapered portion is provided between the first end portion and the second end portion.