Abstract: An ink cartridge includes a frame, and a film connected to the frame. The frame and the film define an ink chamber therein, and the ink chamber is configured to store ink therein. The ink cartridge also includes a supporting member configured to support the film, and a movable member pivotably coupled to the supporting member. 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 film are aligned in a particular direction which is perpendicular to the first direction and to the second direction.

Abstract: A manipulating rod is provided on an air intake valve so as to project through an air intake port. A protective member is provided with a projection, which causes the manipulating rod to move so as to open the air intake valve, in response to a motion for detaching the protective member from an ink cartridge.

Abstract: An ink cartridge includes a case which includes a first case member. The first case member includes a first wall, and the first wall includes an air intake portion extending from the first wall in a predetermined direction. The case also includes a second case member which is connected to the first case member, and the first case member and the second case member define an ink chamber therein. 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. The ink cartridge also includes a movable member which is connected to the support member.

Abstract: A liquid supply device includes a liquid cartridge, which has a liquid chamber that stores liquid, a cartridge mounting portion, and a surface detector. The liquid chamber has a first portion, a second portion, and a third portion. The liquid cartridge removably attaches to the cartridge mounting portion. The surface detector detects a surface of the liquid stored in the liquid chamber. A horizontal cross-sectional area of the first portion of the liquid chamber is less than each of a horizontal cross-sectional area of the second portion and the third portion of the liquid chamber, and the first portion of the liquid chamber is positioned between the second portion and the third portion of the liquid chamber in a direction orthogonal to the horizontal cross-sectional area of the first portion of the liquid chamber.

Abstract: An ink cartridge includes an ink chamber, a communication path configured to dispense ink from an interior of the ink chamber to an exterior of the ink chamber, and a valve member disposed within the communication path. The valve member is configured to selectively open and close the communication path. The ink cartridge also includes an elastic, and the elastic member has a first opening formed therethrough. Moreover, the ink cartridge includes a cap member connected to the elastic member, such that the elastic member is positioned between the cap member and the valve member, and the cap member has a second opening formed therethrough and a chamber formed therein. In addition, a portion of the chamber is aligned with the first opening.

Abstract: An ink cartridge arrangement includes an ink cartridge including an ink chamber, and an ink cartridge packaging system. The ink cartridge packaging system includes an enclosure, and the ink cartridge is disposed within the enclosure. Moreover, a difference between a first pressure within the ink chamber and a second pressure within the enclosure is greater than or equal to about 3 Kilopascals.

Abstract: An ink cartridge includes a frame having an opening formed therethrough, and at least one film connected to the frame. The frame and the at least one film define an ink chamber therein. The film comprises a first portion, a second portion, and a third portion, and the second portion is positioned between the first portion and the third portion, and the first portion and the third portion are raised with respect to the second portion. A line intersecting a peak of a first end of the first portion and a peak of a second end of the first portion is slanted with respect to a center line of the opening, and a line intersecting a peak of a first end of the third portion and a peak of a second end of the third portion is slanted with respect to the center line of the opening.

Abstract: An ink cartridge includes an enclosure, and the enclosure includes a first wall, a second wall opposite the first wall, a third wall connected to each of the first wall and the second wall, and a fourth wall connected to each of the first wall and the second wall. The third wall is substantially perpendicular to each of the first wall and the second wall, and the fourth wall is opposite the third wall and is substantially perpendicular to each of the first wall and the second wall. The ink cartridge also includes an ink chamber disposed within the enclosure, an air intake portion positioned at the first wall, and a first chamber disposed within the enclosure. The first chamber is coupled to the air intake portion via a first opening formed through the first chamber. Moreover, the ink cartridge includes an air communication path disposed within the enclosure and having a first end coupled to the first chamber, and a second chamber disposed within the enclosure.

Abstract: An ink supply device includes a cartridge mounting portion to which an ink cartridge is configured to be mounted by being inserted thereinto in an insertion direction, a first determiner configured to determine a first characteristic of the ink cartridge, and a second determiner configured to determine a second characteristic of the ink cartridge.

Abstract: An ink supply device includes a cartridge mounting portion to which an ink cartridge is mounted by being inserted thereinto in an insertion direction. The cartridge mounting portion includes a first detector configured to detect a first portion and a second portion of the ink cartridge. The ink supply device also includes an trigger detector configured to output a first signal and a second signal during an insertion of the ink cartridge into the cartridge mounting portion, and a type determiner configured to perform a type determination based on a first determination of whether or not the first detector detects the first portion when the output signal changes from the first signal to the second signal, and based on a second determination of whether or not the first detector detects the second portion when the output signal changes from the second signal to the first signal.

Abstract: An ink supply device includes a cartridge mounting portion to which an ink cartridge is configured to be mounted, a first detector configured to detect a first detection target portion of the ink cartridge and to output first detection information when the first detector detects the first detection target portion, a second detector configured to detect a second detection target portion of the ink cartridge and to output second detection information when the second detector detects the second detection target portion, and a controller configured to perform a first determination process of determining a type of the ink cartridge based on a temporal precedence between a time at which the first detector begins outputting the first detection information and a time at which the second detector begins outputting the second detection information during insertion of the ink cartridge into the cartridge mounting portion in an insertion direction.

Abstract: An ink supply device includes an ink cartridge and a cartridge mounting portion including a first detector, a second detector, and a determiner. The ink cartridge includes a first detectable portion, a second detectable portion, and a third detectable portion. The determiner is configured to execute a first determination process in which it is determined whether or not the second detector detects the second detectable portion when the first detector initially detects the first detectable portion during an insertion of the ink cartridge into the cartridge mounting portion, and the determiner is configured to execute a second determination process in which it is determined whether or not the second detector detects the second detectable portion when the first detector stops detecting the first detectable portion during the insertion of the ink cartridge into the cartridge mounting portion.

Abstract: An ink supply device includes a cartridge mounting portion to which an ink cartridge is configured to be mounted by being inserted thereinto in an insertion direction. The ink supply device further includes a controller configured to determine a type of the ink cartridge based on first determination information initially stored during an insertion of the ink cartridge into the cartridge mounting portion and second determination information finally stored during the insertion of the ink cartridge into the cartridge mounting portion.

Abstract: A liquid container includes a liquid chamber configured to store liquid, and a float positioned in the liquid chamber and configured to move according to a change in a level of a liquid surface in the liquid chamber. The float includes a liquid-retaining portion configured to retain liquid therein, and at least a portion of the liquid-retaining portion is positioned above the liquid surface when a portion of the float is positioned above the liquid surface.

Abstract: An ink cartridge has an ink tank in which the ink is stored, and a shutter mechanism which is arranged in the ink tank. The shutter mechanism includes a lever which is supported swingably and which has one end provided with a shutter and the other end provided with a float. The mass and the volume of the float are set so that the first direction, in which the lever moves by the buoyancy and the gravity generated when the entire shutter mechanism is positioned in the ink, is opposite to the second direction in which the lever moves by the buoyancy and the gravity when a part of the float protrudes from the ink liquid surface. A residual amount of an ink is indicated without being excessively affected by any disturbance such as the surface tension of the ink.

Abstract: A liquid container includes an air introduction portion configured to introduce air into a liquid chamber. The air introduction portion includes an air communication passage, and a blocking member positioned in the air communication passage and configured to block the air communication passage. The air introduction portion also includes a movable member positioned in the air communication passage and configured to move toward the blocking member, such that blockage of the air communication passage by the blocking member is released. The movable member includes an air passage formed therethrough, and the air passage is in fluid communication with the air communication passage. The air introduction portion further includes a gas-permeable film positioned on the movable member and closing the air passage.

Abstract: A method of forming a cartridge includes the steps of positioning a movable member within a chamber, enclosing the chamber, and dispensing a liquid within at least a portion of the chamber. The method also includes the steps of positioning a first portion of the enclosed chamber within a first case member, positioning a second portion of the enclosed chamber within a second case member, and bonding the first case member to the second case member.

Abstract: An ink cartridge includes a particular wall, a protruding member extending from the particular wall in a particular direction, a protrusion extending from the particular wall in the particular direction, and an ink chamber configured to store ink therein. The ink cartridge also includes a translucent portion defining an enclosure, an ink supply portion configured to supply ink from an interior of the ink chamber to an exterior of the ink chamber, in which the ink supply portion and the translucent portion are each positioned between the protrusion and the protruding member. The ink cartridge further includes a signal blocking member positioned within the enclosure. Moreover, the signal blocking member is configured to move within the enclosure based at least on an amount of ink disposed within the ink chamber, and the signal blocking member is sandwiched between the at least one pair of wall surfaces.

Abstract: An ink cartridge includes a first surface, second surface opposite the first surface, an ink chamber, and a grip part extending from the second surface. The ink cartridge includes a first communication chamber extending from the ink chamber toward the first surface, a first valve device disposed within the first communication chamber, a second communication chamber extending from the ink chamber toward the first surface, and a second valve device disposed within the second communication chamber.

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.