Patent ID: 7747198
Filing Date: 2010-06-29
Classification: G03G

Abstract:
1. A toner cartridge for housing toner and supplying toner from a toner outlet for forming an image, being attached to an image forming apparatus when used, the toner cartridge comprising: a shutter which has a toner passage hole and makes sliding movement within a range including a closing position to close the toner outlet and an opening position to open the toner outlet through the toner passage hole; a cylindrical shutter which is arranged more upstream of toner flow than the shutter, has a toner passage hole, and rotates within an angular range including a closing position to close a toner path and an opening position to open the toner path through the toner passage hole; a gear which rotates together with the cylindrical shutter; and a rack portion which makes sliding movement together with the shutter, is provided in parallel to direction of the sliding movement, and is engaged with the gear, wherein the shutter and the cylindrical shutter come to opening position together, and come to closing position together.