Patent ID: 8145102
Filing Date: 2012-03-27
Classification: G03G

Abstract:
1. A developing device which houses developer having carrier and toner, and which develops a latent image formed on an image support unit, the developing device comprising: a plurality of transport members for longitudinally transporting the developer housed in the device to form a circulation route; supply means for supplying new carrier into the device; and a pocket part, which is installed in a depressed manner on a wall of a transport route formed by one of the plurality of transport members, facing outside in relation to the transport route, extending beyond the wall of the transport route, and into and out of which part of the developer transported in the transport route flows, wherein the pocket part includes a wall part that covers a side corresponding to a downstream side of the transport route, and a discharge port to discharge developer outside of the device when a surface of the developer flowing into the pocket part exceeds a specified height within the pocket part.