Patent ID: 7881641
Filing Date: 2011-02-01
Classification: G03G

Abstract:
1. A developing cartridge comprising: a developer carrier which carries toner; a toner supply member which supplies the toner to the developer carrier and which contacts the developer carrier so as to form a nip portion between the developer carrier and the toner supply member; a regulation member which regulates an amount of toner on the developer carrier; a developing chamber which has the developer carrier and the toner supply member; a transport section which is connected to an upper portion and a lower portion of the developing chamber and transports the toner from the lower portion of the developing chamber to the upper portion of the developing chamber, the lower portion of the transport section being formed where the toner passing through the nip portion drops; and a transport member which is disposed inside the transport section and transports the toner while agitating the toner, wherein a capacity of the transport section is larger than a capacity of the developing chamber.