Patent ID: 9207571
Filing Date: 2015-12-08
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a toner case including a case body provided with a discharge port for discharging toner, and a case-side shutter for opening and closing the discharge port; and a developer to which the toner case is detachably mounted, the developer including a developer body provided with a replenishing port for accepting the toner discharged from the discharge port and a developer-side shutter for opening and closing the replenishing port, wherein the case body is provided with a cylindrical discharge duct with the discharge port, wherein the case-side shutter is in a cylindrical shape and attached rotatably to an outer periphery of the discharge duct, wherein a pressing projection for pressing the developer-side shutter along with rotation of the case-side shutter is provided to an outer periphery of the case-side shutter, and wherein, when the toner case has been mounted to the developer and the case-side shutter is displaced from a position where the discharge port is closed to a position where the discharge port is open, the case-side shutter pushes the developer-side shutter and the developer-side shutter is displaced from a position where the replenishing port is closed to a position where the replenishing port is open.