DEVELOPER CONTAINER, DEVELOPING CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a developer container which is configured to arrange an opening member for moving a toner seal member to open an opening with a higher degree of freedom.SOLUTION: A developer container includes: a toner seal member 52 for sealing a toner supply opening 27 of a developer container 23 so as to be opened; a rotating member 45 connected to one end of the toner seal member 52 to move at least a part of the toner seal member 52, for opening the toner supply opening 27; and an open assistance member 100 for assisting the rotating member 45 to be opened by changing a direction in which the rotating member 45 pulls the toner seal member 52.