Patent ID: 7747194
Filing Date: 2010-06-29
Classification: G03G

Abstract:
1. A toner bottle detachably mounted in an image forming apparatus including an image forming portion to form an electrostatic latent image on an image carrier, a developing device to form a toner image by supplying a toner to the electrostatic latent image formed by the image forming portion and a toner supply device having a coupling that has a toner supply opening on a peripheral wall portion and a hole on its peripheral wall larger than the toner supply opening on the peripheral wall portion, the toner bottle comprising: a bottle shaped main body having a cap portion inserted into the partition wall; and a toner replenishing opening on a peripheral wall of the cap portion, opposite to the hole, the toner bottle supplying toner to a toner supply portion through the hole and the toner supply opening from the bottle shaped main body, wherein the air existing between the coupling and the partition wall is sucked inside the partition wall from the hole when the toner bottle is pulled out from the partition wall.