Abstract: A liquid supplying apparatus configured to supply a liquid to a liquid ejecting section that is configured to eject the liquid, the liquid supplying apparatus comprising a liquid containing portion configured to contain the liquid, and a fluid communication member in fluid communication with the liquid containing portion and having one end that is exposed to air, the fluid communication member further having a liquid visual recognition portion through which the liquid inside the fluid communication member is visually recognizable.

Abstract: An ink tank includes a tank main body that is able to contain ink, an ink filling unit that is provided in the tank main body and has an opening which enables the tank main body to be filled with the ink, and a plurality of ribs that are provided around the ink filling unit of the tank main body and protrude from the tank main body. A clearance in which the ink is held due to a capillary force between the ribs is provided between two adjacent ribs among the plurality of ribs.

Abstract: A liquid storage container includes a liquid storage section configured to store a liquid, an injection port open to the liquid storage section and configured and arranged to receive the liquid injected into the liquid storage section, an air introduction valve configured and arranged to allow movement of air from an exterior of the liquid storage section to an interior of the liquid storage section and to prevent movement of air from the interior of the liquid storage section to the exterior of the liquid storage section.

Abstract: A recording apparatus includes a housing body, an opening/closing member, attached to the housing body via a pivot shaft so as to be capable of rotating freely, that covers the surface of the housing body on one side thereof, and an ink tank having an injection port for filling an ink holding chamber with ink used in recording. Here, the ink tank is disposed so that one end thereof is positioned within the housing body on the opposite side of the housing body as the side in which the pivot shaft is provided, and has a stepped shape including a step portion, the step portion being provided on a side of the ink tank that is further from the pivot shaft. The injection port is provided in the step portion, and when the opening/closing member is opened and the ink is to be filled.

Abstract: With a conventional liquid container, it is difficult to reduce the possibility of soiling with liquid caused by liquid leakage. Provided is a liquid container including a liquid containing portion containing liquid, a liquid inlet portion receiving injection of the liquid into the liquid containing portion, an open air port that communicates with the liquid containing portion and is introducing the atmospheric air into the liquid containing portion, and a liquid absorbent material that is arranged at least in a portion of the periphery of the open air port and that is absorbing the liquid.

Abstract: A recording apparatus includes a housing body, an opening/closing member, attached to the housing body via a pivot shaft so as to be capable of rotating freely, that covers the surface of the housing body on one side thereof, and an ink tank having an injection port for filling an ink holding chamber with ink used in recording. Here, the ink tank is disposed so that one end thereof is positioned within the housing body on the opposite side of the housing body as the side in which the pivot shaft is provided, and has a stepped shape including a step portion, the step portion being provided on a side of the ink tank that is further from the pivot shaft. The injection port is provided in the step portion, and when the opening/closing member is opened and the ink is to be filled.

Abstract: Provided is a technique for allowing a test for a tank to be performed in a simple manner. A tank unit 20A has a plurality of ink tanks 25A, a substrate part 80, and a casing part 21A. Each ink tank 25A includes electrode pins 70a and 70b used for detection of ink IN. The substrate part 80 is connected to back ends 72a and 72b of the electrode pins 70a and 70b protruding outside of the ink tanks 25A. The casing part 21A stores the ink tanks 25A and the substrate part 80. Through windows 92 that expose the electrode pins 70a and 70b to the outside are provided in the back face of the casing part 21A.

Abstract: A liquid container includes a container portion configured to contain ink; an air chamber configured to contain the air that is introduced into the container portion; a first air introducing path configured to introduce the outside air into the air chamber; and a second air introducing path configured to introduce the air contained in the air chamber into the container portion. The first introducing port is located vertically above a liquid level in the air chamber of the ink flowing from the container portion into the air chamber, in a first attitude that the container portion and the air chamber are aligned in a direction intersecting with a vertical direction and that a first introducing port of the first air introducing path is located vertically above a delivery port of the second air introducing path.

Abstract: An ink tank unit includes: an ink tank that is able to contain ink; an ink filling unit that is provided in a case of the ink tank and has an opening which enables the ink tank to be filled with the ink; and a second case that covers at least a part of a peripheral section of the ink filling unit, of a fifth wall of the case on which the ink filling unit is provided. A recessed section and a side wall which enables the ink to be guided to the recessed section are provided on at least one section of the peripheral section of the fifth wall and a section of the second case, which faces the peripheral section.

Abstract: A liquid container is mountable on a mount portion in a state of being engaged into a first engaging portion with respect to a supporting portion. The liquid container includes a first wall including a first section mountable on the mount portion; a second wall facing the first wall; a third wall intersecting with the first wall and the second wall; a fourth wall which faces the third wall, and intersects with the first wall and the second wall; and a first engaged portion capable of being engaged into the first engaging portion, in which when a direction from the first wall to the second wall is defined as a Z-axis direction, the first engaged portion is projected to the side opposite to the second wall side from the first wall, and is capable of coming in contact with the first engaging portion in the Z-axis direction.

Abstract: A liquid ejection device provided by the invention can be easily transported in a stable orientation in which the weight balance is kept. A printer of the invention includes a liquid ejection head for ejecting ink onto a sheet, ink tanks for storing ink to be supplied to the liquid ejection head, and tubes that connect the ink tanks to the liquid ejection head. An ink injection opening that enables the injection of ink is formed on the upper side of the ink tanks in the vertical direction, and one portion of the ink tanks and another portion of the ink tanks are respectively arranged on one side and another side that face each other across a sheet conveying region.

Abstract: Provided is a technique for restraining leakage of a liquid from a tank. An ink tank 25 is provided with an ink injecting part 113, an ink container 120, an atmospheric air introduction part 121, and electrode pins 140a and 140b. A recess 125 that is open downward in the gravity direction when the ink tank 25 is in a posture when ink is supplied to a printing head part 32 is formed in the ink container 120. The electrode pins 140a and 140b are provided in a first upper wall part 131 constituting an upper end wall part of the recess 125. In addition, an ink injection port 135 of the ink injecting part 113 and an atmospheric air introduction port 136 of the atmospheric air introduction part 121 are provided outside the recess 125, in the ink container 120.

Abstract: A liquid storage container includes the first electrode, the second electrode which penetrate from an outside to an inside of a storage portion and extend in a direction intersecting a vertical direction, and a support portion which is provided in the storage portion and supports the first electrode. In the vertical direction, a height of the second electrode is equal to a height of the first electrode or is lower than the height of the first electrode. The support portion includes a support wall which supports the first electrode and a side wall intersects the support wall and is wide from the support wall in the vertically downward direction. The support wall is capable of being protruded to the second electrode side further than a meniscus formed in the ink between the first electrode and the support wall in the second electrode of the first electrode.

Abstract: The invention provides a technique for suppressing liquid leakage from a tank. An ink tank 25A includes an ink containing portion 100. In a state in which the ink containing portion 100 contains an ink in an amount equal to ½of its ink capacity, when the ink tank 25A is brought into an ink injection orientation, the first atmospheric air introducing inlet 114 is located in a region where the air is present, and the second atmospheric air introducing inlet 124 is located in a region where the ink is present. When the ink tank 25A is rotated upside down by 180° from that orientation and brought into a reversed orientation, the first atmospheric air introducing inlet 114 is located in a region where the ink is present, and the second atmospheric air introducing inlet 124 is located in a region where the air is present.

Abstract: To solve the problem of a liquid supply unit of the related art in that liquid supply may become difficult. The invention provides a tank capable of supplying a liquid to a liquid ejection head, the tank including: a liquid containing portion capable of containing the liquid; and an atmospheric air introducing portion constituting an atmospheric air flow channel capable of introducing atmospheric air into the liquid containing portion, wherein the atmospheric air introducing portion includes a buffer chamber capable of containing the atmospheric air, a liquid retaining member is housed in the buffer chamber, and in a state in which the liquid retaining member is housed in the buffer chamber, a gap that allows the atmospheric air to move between a first communication port and a second communication port of the atmospheric air flow channel is provided within the buffer chamber.

Abstract: Provided is a technique capable of reducing the possibility that liquid reaches a visual check face. A liquid container includes a liquid retaining portion that can retain liquid and has an injection port forming face in which a liquid injection port is arranged, a visual check face that intersects the injection port forming face and through which a liquid surface in the liquid containing portion can be visually checked from the outside, and a container guiding path that guides the liquid existing in the injection port forming face in a direction different from a direction toward the visual check face.

Abstract: Provided is a technique for allowing a test for a tank to be performed in a simple manner. A tank unit 20A has a plurality of ink tanks 25A, a substrate part 80, and a casing part 21A. Each ink tank 25A includes electrode pins 70a and 70b used for detection of ink IN. The substrate part 80 is connected to back ends 72a and 72b of the electrode pins 70a and 70b protruding outside of the ink tanks 25A. The casing part 21A stores the ink tanks 25A and the substrate part 80. Through windows 92 that expose the electrode pins 70a and 70b to the outside are provided in the back face of the casing part 21A.

Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.

Abstract: An ink tank 25A includes an ink containing portion 120, an ink injection portion 113, an ink supply portion 117, and a pair of electrode pins 140a and 140b. The ink containing portion 120 has a visual check portion 114 that enables the position of the liquid surface of ink contained in the ink containing portion 120 to be visually checked from the outside in a reference posture, which is a posture at the time when the ink is supplied from the ink tank 25 to the print head portion 32. The ink supply portion 117 is connected to a lower portion 122A located below a lower end of the visual check portion 114 in the reference posture. Leading end portions 143a and 143b of the electrode pins 140a and 140b are arranged in the lower portion 122A.

Abstract: Provided is a technique for restraining leakage of a liquid from a tank. An ink tank 25 is provided with an ink injecting part 113, an ink container 120, an atmospheric air introduction part 121, and electrode pins 140a and 140b. A recess 125 that is open downward in the gravity direction when the ink tank 25 is in a posture when ink is supplied to a printing head part 32 is formed in the ink container 120. The electrode pins 140a and 140b are provided in a first upper wall part 131 constituting an upper end wall part of the recess 125. In addition, an ink injection port 135 of the ink injecting part 113 and an atmospheric air introduction port 136 of the atmospheric air introduction part 121 are provided outside the recess 125, in the ink container 120.