Powder replenishing device, powder conveying device, developing apparatus using the same powder replenishing device or powder conveying device, and image forming apparatus using the same powder replenishing device or powder conveying device

摘要

A powder replenishing device includes a powder container that contains powder. The powder container includes a powder discharging outlet at one end portion of one side wall of the powder container. The powder replenishing device further includes a reciprocating motion device that reciprocates the powder container between forward and backward directions with respect to a moving direction of the powder toward the powder discharging outlet so as to move the powder in the powder container toward the powder discharging outlet in a state that the powder discharging outlet is directed downward in substantially a vertical direction.