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:
Nov. 26, 2013
Filed:
May. 31, 2011
Shinichi Kuramoto, Ebina, JP;
Taichi Yamada, Minamiashigara, JP;
Masahiro Uchida, Minamiashigara, JP;
Mutsumi Kikuchi, Yokohama, JP;
Shinichi Kuramoto, Ebina, JP;
Taichi Yamada, Minamiashigara, JP;
Masahiro Uchida, Minamiashigara, JP;
Mutsumi Kikuchi, Yokohama, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A developing unit includes: a developing roller; a first conveying member provided in a first container, having a first shaft and a spiral blade, that agitates and conveys developer; a second conveying member provided in a second container connected to the first container via a hole, having a second shaft and a spiral blade, that agitates and conveys the developer; and a supplying member having a third shaft and a paddle blade, that supplies the developer conveyed by the first or the second conveying member to a developing roller, wherein: at least one of the first and second shafts includes a first portion that faces the hole and a second portion that does not face the hole; and a diameter of the at least one of the first and second shafts in at least a part of the first portion is smaller than a diameter in the second portion.