Ink Cartridges

Abstract

An ink cartridge includes a case, and the case includes a first case member. The first case member includes a first wall, and the first wall includes a translucent portion extending from the first wall in a predetermined direction. The translucent portion has an inner space formed therein. The case also includes a second case member connected to the first case member. The first case member and the second case member define an ink chamber therein, and the second case member includes a second wall which is opposite to the first wall, and a support member connected to an interior surface of the second wall. Moreover, the ink cartridge includes a movable member which includes a signal blocking portion. The signal blocking portion is positioned within the inner space of the translucent portion, and the movable member is connected to the support member.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

For a more complete understanding of the present invention, the needs satisfied thereby, and the features and technical advantages thereof, reference now is made to the following descriptions taken in connection with the accompanying drawings.

FIG. 1 is an oblique view of an ink cartridge having an ink chamber, according to an embodiment of the present invention.

FIG. 2 is a partial, disassembled view of the ink cartridge of FIG. 1.

FIG. 3 is a cross-sectional view of a body and a lid of the ink cartridge of FIG. 1.

FIG. 4 is a side view showing a side wall in which an ink supply portion and an air-introduction portion of the ink chamber of FIG. 1 are provided.

FIG. 5 is a drawing depicting a method for installing the ink cartridge of FIG. 1 into a printer.

FIG. 6 is a drawing depicting a motion of a movable member of the ink cartridge of FIG. 1.

Claims

1. An ink cartridge, comprising: a case comprising: a first case member comprising a first wall, wherein the first wall comprises a translucent portion extending from the first wall in a predetermined direction, and the translucent portion has an inner space formed therein; anda second case member connected to the first case member, wherein the first case member and the second case member define an ink chamber therein, and the second case member comprises: a second wall which is opposite to the first wall; anda support member connected to an interior surface of the predetermined portion of the second wall, wherein the predetermined portion of the second wall is parallel to at least a portion of the first wall, and the support portion extends from the predetermined portion of the second wall towards the translucent portion; anda movable member comprising a signal blocking portion, wherein the signal blocking portion is positioned within the inner space of the translucent portion, and the movable member is connected to the support member.

2. (canceled)

3. The ink cartridge of claim 1, wherein the support member is integral with the second wall.

4-10. (canceled)

11. The ink cartridge of claim 1, wherein the translucent portion extends from the first wall in a predetermined direction.