Patent ID: 7184691

Claim:
A toner container for installation in a toner supply device, comprising: a toner accommodation member having an opening, and a connection member attached to the opening and having a toner supply opening; and a cap member freely attachable to and detachable from the toner accommodation member, including a member to be inserted into the toner supply opening of the connection member so that the cap member extends away from the toner accommodation member, and having a cap member opening configured to receive toner supplied from the toner supply opening of the connection member of the toner accommodation member and to discharge the received toner, wherein either of the connection member of the toner accommodation member and the cap member includes a groove part and the other includes a protrusion part to engage with the groove part, and the cap member is attached to the toner accommodation member by engaging the groove part and the protrusion part with each other, and wherein the protrusion part elastically deforms to engage with the groove part.