Abstract: An ink replenish container comprises a container main body that is able to store the ink; and an ink outlet formation member, attached to a front end side of the container main body, to form an ink outlet. The container main body includes a screw formation portion having a screw for engaging with the ink outlet formation member, and a shoulder portion provided on a front end side of the screw formation portion. The ink outlet formation member includes an abutting portion that abuts the shoulder portion.

Abstract: A container stores a fluid for use in an ink jet printer. The container includes: a casing that defines a storage space for storing the fluid, and has an opening communicating with the storage space; a film that covers the opening and seals the storage space; and a film attachment section that fixes the film to the casing. The casing includes a first surface that surrounds a periphery of the opening, and faces the film, and a second surface that surrounds the opening at a position farther from the opening than the first surface, has an angle intersecting the first surface, and faces the film, and the film attachment section is provided on the second surface.

Abstract: A liquid supply unit includes an outer shell; a contact portion that is disposed in the outer shell and that is configured to electronically connect to the apparatus-side terminal by making contact with the apparatus-side terminal; a liquid supply port that is disposed on the outer shell and used for inserting the liquid introducing portion; and a receiving portion that extends in a protruding direction in which the guide member protrudes outward in a mounting state in which the liquid supply unit is mounted onto the liquid ejection apparatus, and that is configured to receive the guide member. At least a part of the receiving portion is located between the liquid supply port and the contact portion in a predetermined direction orthogonal to a direction in which the receiving portion extends.

Abstract: A liquid supplier can be attached to and detached from a case of a liquid ejection device, and includes a connection member located at an end of the case. The connection member includes a liquid outlet member including a liquid outlet port and a connection port, a container-side electric connector, a first receiving portion that receives a first positioning portion of the liquid ejection device, and a second receiving portion that receives a second positioning portion of the liquid ejection device. The width of the liquid supplier in the Z direction is smaller than a width in the Y direction and a width in the X direction. The liquid supplier further includes a tube whose one end is connected to the connection port, and into which liquid is injected from another end that is located outside the liquid ejection device.

Abstract: A liquid supply system includes a carriage, a plurality of tanks mounted on the carriage, and a plurality of liquid containers for filling a corresponding tank of the plurality of tanks with liquid. The plurality of tanks include a first tank and a second tank in which liquid receiving sections are arranged adjacent to each other in an arrangement direction in the carriage, the plurality of liquid containers include a first liquid container for filling the first tank with the liquid and a second liquid container for filling the second tank with the liquid, and the first liquid container has a portion that, when the first liquid container is set to a first tank filling posture, interferes with a disposition region of the second liquid container when the second liquid container is set to a second tank filling posture.

Abstract: A liquid container comprises a liquid supply port provided in a bottom wall, a first chamber configured to contain a liquid, a second chamber configured to contain the liquid and to include at least one sub-chamber having a smaller dimension in the X direction than that of the first chamber, a partition wall configured to part the first chamber from the second chamber, and a connecting hole configured to connect the first chamber with the second chamber. The second chamber is connected with the liquid supply port, and the first chamber is connected with the liquid supply port via the connecting hole and the second chamber. The liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber to the liquid supply port.

Abstract: A liquid ejection apparatus comprises a carriage that includes a liquid ejection head and that moves inside a predetermined moving range, a plurality of liquid containers mounted on the carriage, the plurality of liquid containers including liquid refill ports respectively, an exterior member that covers the moving range, the exterior member including an opening configured to have a liquid outlet portion of the liquid refilling container be inserted therein, a selection information receiving portion that receives an input of a selected target liquid container, among the plurality of liquid containers, in which refilling of the liquid is to be performed, and a control unit that, using selection information that the selected information receiving portion has received, moves the carriage so that the liquid refill port of the target liquid container faces the opening.

Abstract: There are provided an ink refill container configured to appropriately refill an ink tank with ink and an ink refill system including such an ink refill container. An ink refill container 63 includes a container main body 64 provided to include an ink chamber 76; an ink outlet forming portion 66 provided at an edge of the container main body to include an ink outlet 65 configured to allow ink to flow out from the ink chamber; a valve 74 provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to the ink tank when the valve is opened. The positioning structure has a positioning surface 84 that is located on an opposite side to a container main body side where the container main body is located, across the valve and that is extended in a direction intersecting with a center axis 85 of the ink outlet.

Abstract: A liquid container including a liquid storing chamber that stores a liquid, a first member including a cylindrical first side wall surrounding at least a portion of the liquid storing chamber, a first opening surrounded by a first end portion of the first side wall, and a second opening surrounded by a second end portion of the first side wall, a liquid outlet member including an outlet through which the liquid flows out, the liquid outlet member being attached to the first opening, and a second member joined to the first member, the second member sealing the liquid storing chamber from a second opening side. When viewed in a central axis direction of the first member, a joint between the first member and the second member is formed outside an area surrounded by a boundary between the first member and the second member in the liquid storing chamber.

Abstract: A liquid supply unit is provided with a liquid supply part, an outer peripheral wall, contact portions and a positioning portion.

Abstract: A liquid supply unit includes an outer shell; a contact portion that is disposed in the outer shell and that is configured to electronically connect to the apparatus-side terminal by making contact with the apparatus-side terminal; a liquid supply port that is disposed on the outer shell and used for inserting the liquid introducing portion; and a receiving portion that extends in a protruding direction in which the guide member protrudes outward in a mounting state in which the liquid supply unit is mounted onto the liquid ejection apparatus, and that is configured to receive the guide member. At least a part of the receiving portion is located between the liquid supply port and the contact portion in a predetermined direction orthogonal to a direction in which the receiving portion extends.

Abstract: The liquid container includes a housing member including an external circumferential wall surrounding a liquid storing chamber, an opening surrounded by an end portion of the external circumferential wall, and a closing wall opposing the liquid storing chamber at a position deep inside with respect to the opening, an external edge portion of the closing wall coupled to an end portion of the external circumferential wall, in which the liquid outlet portion is provided in the external circumferential wall; a valve provided in the liquid outlet portion, the valve being opened by having both a first pipe through which atmospheric air flows and a second pipe through which the liquid flows inserted therein when the liquid is made to flow out from the liquid storing chamber; a flexible wall sealing the opening portion; and an inner wall that extends from the closing wall towards an opening portion side in an area surrounded by the external circumferential wall and that is in contact with the flexible wall.

Abstract: An object is to identify an abnormal mounted state of a liquid supply unit to a liquid ejection apparatus. There is provided a liquid supply unit configured to supply a liquid to a liquid ejection apparatus that comprises a first electrode assembly including a first electrode and a second electrode; an engagement structure; and a mounting structure which the liquid supply unit is mounted to. The liquid supply unit comprises a liquid supply portion; an engaged structure configured to be engaged with the engagement structure in a mounted state and thereby restrict a motion of the liquid supply unit in a first direction that is a direction of dismounting the liquid supply unit; and an electrically conductive portion provided in the engaged structure.

Abstract: There are provided an ink refill container configured to appropriately refill an ink tank with ink and an ink refill system including such an ink refill container. An ink refill container 63 includes a container main body 64 provided to include an ink chamber 76; an ink outlet forming portion 66 provided at an edge of the container main body to include an ink outlet 65 configured to allow ink to flow out from the ink chamber; a valve 74 provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to the ink tank when the valve is opened. The positioning structure has a positioning surface 84 that is located on an opposite side to a container main body side where the container main body is located, across the valve and that is extended in a direction intersecting with a center axis 85 of the ink outlet.

Abstract: An ink replenishing container includes a first bottom surface that defines a portion of an ink storage portion in which an ink is stored, a first side wall that intersects the first bottom surface and defines a portion of the ink storage portion, an ink outlet that communicates with the ink storage portion, and a second side wall that is disposed outside the first side wall, and that is not in contact with the ink stored in the ink storage portion.

Abstract: An ink replenishing container includes an ink storage member in which an ink is stored, the ink storage member having a first side wall that defines the ink storage member and an opening portion surrounded by the first side wall, an ink outlet that communicates with the ink storage portion, and a film member that closes the opening portion.

Abstract: An ink refill container 31 includes a container body 61 including an inner tube portion 62 constituting an ink containing chamber 41, an inner bottom 64 joined to the inner tube portion 62, an ink-outlet forming portion 38 that is provided in the inner tube portion 62 and that includes an ink outlet 46, and a cover 75 including an outer bottom 76 covering the inner bottom 64 from below. The cover 75 includes a receiving recess 95 that is configured of the outer bottom 76 and a tubular receiving wall 93 integrally coupled to the outer bottom 76 and that receives an ink IK leaked from the ink containing chamber 41 through a junction of the container body 61 and the inner bottom 64.

Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.

Abstract: A liquid ejection apparatus comprises a carriage that includes a liquid ejection head and that moves inside a predetermined moving range, a plurality of liquid containers mounted on the carriage, the plurality of liquid containers including liquid refill ports respectively, an exterior member that covers the moving range, the exterior member including an opening configured to have a liquid outlet portion of the liquid refilling container be inserted therein, a selection information receiving portion that receives an input of a selected target liquid container, among the plurality of liquid containers, in which refilling of the liquid is to be performed, and a control unit that, using selection information that the selected information receiving portion has received, moves the carriage so that the liquid refill port of the target liquid container faces the opening.

Abstract: A liquid supply unit includes an outer shell, a liquid supply portion that is arranged in the outer shell and can supply a liquid to the liquid ejection apparatus, and an engaged structure including an engaged portion that can engage with the engagement portion of the liquid ejection apparatus, and a first opening that is formed in the outer shell and through which the engagement structure can be inserted. The engaged portion is arranged further inward than an outer surface of the outer shell.