Patent ID: 8768222

Claim:
A powder feed device, comprising: a casing having an opening, a powder sent from a powder housing portion being received through the opening, the powder housing portion housing the powder, the casing extending to a fed body, the fed body being fed with the powder, at least an inner side of the casing having a substantially cylindrical shape; a transport member that rotates and transports the powder received in the casing through the opening to the fed body, the transport member being arranged in the casing and extending in a transport direction, the powder being transported in the transport direction; and a shutter member that is arranged at a closed position at which the opening is closed, receives a force from the transport member by the rotation of the transport member, and moves to an open position at which the opening is open, wherein the transport member includes a transport portion that contributes to the transport of the powder, and a non-transport portion that does not contribute to the transport, and handles the movement of the shutter member to the open position, and wherein the shutter member moves to the open position when the shutter member receives an effect of the non-transport portion.