Patent ID: 7942513
Filing Date: 2011-05-17
Classification: B41J

Abstract:
1. An ink cartridge comprising: a frame; at least one film connected to at least a portion of the frame, wherein the frame and the at least one film define an ink chamber therein, and the ink chamber is configured to store ink therein; a supporting member configured to support the at least one film; and a movable member pivotably coupled to the supporting member, wherein the movable member is configured to selectively move within the ink chamber in a first direction and in a second direction opposite the first direction based on an amount of ink within the ink chamber, and the supporting member, the movable member, and the at least one film are aligned in a particular direction which is perpendicular to the first direction and to the second direction, wherein the supporting member has an opening formed therein, and a portion of the movable member is accommodated within the opening.