Developer accommodating unit, process cartridge, electrophotographic image forming apparatus

摘要

A developer accommodating unit for accommodating a developer for image formation includes a developer accommodating container including a flexible container provided with openings for permitting discharge of the accommodated developer and sealing member for sealing the openings by a bonding portion and for exposing the openings by being moved, an unsealing member, mounted on the sealing member, for moving the sealing member, and a frame which accommodates the developer accommodating container and the unsealing member and which includes a fixing portion for fixing the flexible container. In addition, connecting potion is disposed between the openings in the flexible container. With respect to an unsealing direction of the sealing member, the fixing portion and the connecting portion are provided so as to overlap with each other.

主权项

1. A developer accommodating unit for accommodating a developer for image formation, comprising:
a developer accommodating container including a flexible container provided with openings for permitting discharge of the accommodated developer and a sealing member for sealing the openings by a bonding portion and for exposing the openings by being moved; an unsealing member, mounted on said sealing member, for moving said sealing member; a frame which accommodates said developer accommodating container and said unsealing member and which includes a fixing portion for fixing said flexible container; and a connecting portion disposed between the openings of the openings in the flexible container, wherein with respect to an unsealing direction of said sealing member, said fixing portion and said connecting portion are provided so as to overlap with each other.