Ink cartridges
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsShingo Hattori, Hirotake Nakamura
Life of this patent
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Abstract
An ink cartridge includes a case including a front face and a rear face opposite the front face, in which the case has an ink chamber defined therein, and the ink chamber is configured to store ink. The ink cartridge also includes an extension portion extending from the from the front face of the case in a predetermined direction, and the extension portion includes a first end which is coupled to the front face of the case, and a second end opposite the first end. The extension portion also includes an opaque first portion, an opaque second portion positioned adjacent to the first end of the extension portion, and a translucent third portion positioned between the opaque first portion and the opaque second portion in the predetermined direction.
Claims16
An ink cartridge comprising:
- a case comprising a front face and a rear face opposite the front face in a predetermined direction, wherein the case has at least a portion of an ink chamber defined therein, and the ink chamber is configured to store ink;
- an ink supply portion positioned at the front face of the case, wherein the ink supply portion is configured to dispense ink from an interior of the ink chamber to an exterior of the ink chamber;
- and
- an extension portion extending from the from the front face of the case away from the ink chamber in the predetermined direction, wherein the extension portion comprises:
- a first end which is coupled to the front face of the case;
- a second end opposite the first end in the predetermined direction;
- an opaque first portion;
- an opaque second portion positioned adjacent to the first end of the extension portion;
- a translucent third portion positioned between the opaque first portion and the opaque second portion in the predetermined direction;
- and
- the opaque second portion is positioned between the translucent third portion and the ink chamber in the predetermined direction.
An ink cartridge comprising:
- a case comprising a front face and a rear face opposite the front face in a predetermined direction, wherein the case has at least a portion of an ink chamber defined therein, and the ink chamber is configured to store ink;
- a first signal blocking portion extending from the front face of the case away from the ink chamber in the predetermined direction;
- a second signal blocking portion;
- and
- a connecting portion connected to each of the first signal blocking portion and the second signal blocking portion, wherein the second signal blocking portion is coupled to the first signal blocking portion via the connecting portion, and the connecting portion is positioned separately and spaced apart from the front face.
Dependencies are inferred from the claim text.