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:
Mar. 22, 2011
Filed:
Dec. 18, 2008
Yasufumi Kayahara, Saitama, JP;
Takuji Matsumoto, Saitama, JP;
Hiromitsu Koizumi, Saitama, JP;
Chiharu Nakajima, Saitama, JP;
Mutsumi Kikuchi, Saitama, JP;
Toyohiko Awano, Saitama, JP;
Shigeki Nishimura, Saitama, JP;
Yasufumi Kayahara, Saitama, JP;
Takuji Matsumoto, Saitama, JP;
Hiromitsu Koizumi, Saitama, JP;
Chiharu Nakajima, Saitama, JP;
Mutsumi Kikuchi, Saitama, JP;
Toyohiko Awano, Saitama, JP;
Shigeki Nishimura, Saitama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
The present invention provides an exchangeable toner cartridge which can be attached to or detached from an apparatus main body. The toner cartridge includes the toner transfer member which is provided along a longitudinal direction of the toner cartridge and which can rotate. At the first range of the upstream side in a toner transfer direction the toner transfer member is formed into a substantially spiral shape, and at the second range of the downstream side in the toner transfer direction on a side of a toner supply port, toner transfer member has a shape different from that of the first range.