Patent ID: 7792468
Filing Date: 2010-09-07
Classification: G03G

Abstract:
1. A developer storage container that is removably inserted into a container receiving portion of a chassis of an image forming apparatus, the container that stores a developer therein, the container comprising: a container body that stores the developer therein; an opening formed in a portion of the container body; an opening-and-closing cover configured to block the opening; a cover holding frame that holds the opening-and-closing cover so that the opening-and-closing cover is movable in an opening-and-closing direction between an opening position in which the opening is open and a closing position in which the opening is closed; a protrusion portion that is formed in the opening-and-closing cover, and protrudes toward the cover holding frame when the opening-and-closing cover is located in the closing position; a blocking portion that is provided on the cover holding frame, wherein a position regulating protrusion that is provided in the cover holding frame, wherein when the opening-and-closing cover moves from a position where the protrusion portion and the blocking portion are in contact with each other to the closing position, the position regulating protrusion causes the opening-and-closing cover to move in a direction intersecting the opening-and-closing direction and regulates a position of the opening-and-closing cover in the direction intersecting the opening-and-closing direction so that the blocking portion is overlapped, along the opening-and-closing direction, with the position of the distal end of the protrusion portion, wherein the opening-and-closing direction extends along an insertion/removal direction of the developer storage container.