Patent ID: 9471008
Filing Date: 2016-10-18
CPC Classification: G03G

Claim Text:
1. A developer container attached to a developer storage body, the developer container comprising: a container frame that includes a container storing chamber, in which developer is stored, and a container opening; and a shutter that can move between a container opening position for opening the container opening and a container closing position for closing the container opening, wherein the shutter includes: a contacting portion that (i) appears in front of the container opening to be at a position where the contacting portion makes close-contact with a sealing member provided at an edge of a storage body opening of the developer storage body when the shutter is at the container opening position, and (ii) is separated from the sealing member to move into the container frame when the shutter moves from the container opening position to the container closing position; and a non-contacting portion that is provided on an upstream side of the contacting portion in a moving direction from the container opening position to the container closing position and is positioned inside the container frame when the shutter is at the container opening position, and that moves to a position where the non-contacting portion appears in front of the container opening without making contact with the sealing member when the shutter moves from the container opening position to the container closing position.