Patent ID: 9310719
Filing Date: 2016-04-12
CPC Classification: G03G

Claim Text:
1. A developer container, comprising: a housing including a storage space configured to contain developer, and an opening having a longer dimension and communicating with the storage space for allowing the developer to flow therethrough; a sealing member attached to the housing and sealing the opening in a longitudinal direction of the opening; and a winder mechanism configured to wind up the sealing member while peeling the sealing member from the housing, wherein the sealing member is in a folded state that a first end of the sealing member and a second end opposite to the first end are disposed on one end of the housing in the longitudinal direction and a crease of the sealing member is on the other end of the housing in the longitudinal direction with a sealing surface of the sealing member sealing the opening, the winder mechanism includes