Developer supplying container and assembling method thereof.

摘要

A developer supply container includes a developer containing portion having an opening for supplying the developer therefrom; a shutter for closing the opening; a shutter support for supporting said shutter for movement between closing position where said shutter closes the opening and an opening position where said shutter is retracted from the closing position to open the opening; and a sealing mounted on such a side of said shutter as is faced to the opening.