Patent ID: 8422920

Claim:
An image forming apparatus comprising: a feed portion that is fed with toner from above; a transport path that includes an inlet through which the toner transported from the feed portion enters, that allows the toner to be transported therethrough, and that is in a cylindrical shape, a transport path forming member having the feed portion and the transport path, wherein the transport path forming member has a uniform diameter throughout the feed portion and the transport path; and a transporting member that includes a rotary shaft provided to extend from the feed portion to the transport path, the rotary shaft being provided with a small-diameter portion on an upstream side thereof in a toner transport direction and a large-diameter portion on a downstream side thereof in the toner transport direction, and transports along the transport path the toner fed to the feed portion, the large-diameter portion of the transporting member being provided partly inside the transport path, the large-diameter portion having an end portion on the upstream side thereof in the toner transport direction to be connected to the small-diameter portion, the end portion being provided on a side of the feed portion of the inlet of the transport path in the toner transport direction.