Toner housing container and image forming apparatus

摘要

A toner housing container includes: container body; conveying portion; pipe receiving port; and uplifting portion. Container body includes; protruding portion protruding from container body interior side of container opening portion to one end of container body; and shutter member moving between closing and opening positions to close and open container opening portion. Uplifting portion includes: uplifting wall surface extending from container body internal wall surface toward protruding portion; and curving portion curving to conform to protruding portion. Shutter member moves from closing to opening position upon push by conveying pipe. When toner housing container is mounted on toner conveying device, protruding portion is present between curving portion and toner receiving port of conveying pipe inserted and extends along shutter member moving region. Toner has bulk density of ≦0.399 g/cm3 when toner housing container is shaken up-and-down 10 times at 25° C., 50% RH, and put such that container opening portion faces downward.

主权项

1. A container, comprising:
a container body mountable on a toner conveying device to house toner to be supplied into the toner conveying device; a conveying portion in the container body and configured to convey the toner from one end of the container body in a longer direction thereof to the other end thereof at which a container opening portion is provided; a pipe receiving port at the container opening portion to receive a conveying pipe fixed to the toner conveying device; an uplifting portion to uplift the toner conveyed by the conveying portion from a lower side of the container body to an upper side thereof and to move the toner into a toner receiving port of the conveying pipe; a shutter support around a central axis of the container body; and a shutter to move between a closing position to close the container opening portion and an opening portion to open the container opening portion, the shutter slidably supported by the shutter support, wherein the uplifting portion comprises an uplifting wall surface extending from an internal wall surface of the container body toward the shutter support, and a curving portion, connected to the uplifting wall surface, which curves around the shutter support, wherein the shutter moves from the closing position to the opening position by being pushed by the conveying pipe, and wherein the shutter support is disposed such that when the container is mounted on the toner conveying device, the shutter support is present between the curving portion and the toner receiving port of the conveying pipe, and extends along a region in which the shutter member moves.