Patent ID: 8594536
Filing Date: 2013-11-26
Classification: G03G

Abstract:
1. A developing unit comprising: a developing roller; a first conveying member provided in a first container having a wall, having a first shaft and a first spiral blade formed on the first shaft, that agitates and conveys developer; a second conveying member provided in a second container having the wall, the second container connected to the first container via at least one hole in an end of the wall, the second conveying member having a second shaft and a second spiral blade formed on the second shaft, that agitates and conveys the developer; and a supplying member having a third shaft and a paddle blade formed on the third shaft, that supplies the developer conveyed by the first or the second conveying member to the developing roller, wherein: the third shaft includes a third portion and a fourth portion, the third portion facing the at least one hole in the end of the wall across the second conveying member, and the fourth portion not facing the at least one hole; and a height of the paddle blade, from the third shaft, formed on at least a part of the third portion of the third shaft is smaller than a height of the paddle blade, from the third shaft, formed on the fourth portion of the third shaft.