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: A liquid ejecting apparatus includes a liquid ejecting head unit having a plurality of liquid ejecting heads that ejects liquid from nozzles. The liquid ejecting head unit has a head fixing member that fixes a plurality of the liquid ejecting heads in a row with gaps between the heads. The head fixing member has an opening at a frame section, and fixes a plurality of the liquid ejecting heads that are inserted into the opening in a state where at least one portion of each of the nozzle plates protrudes through the opening. Partition plates are arranged between the liquid ejecting heads in the frame section in a row with the liquid ejecting heads across the opening. A portion of each of the partition plates protrudes from the bottom of the frame section.

Abstract: A liquid ejecting head has a flow channel substrate, an actuator formed on the flow channel substrate and having at least one mount, and a flexible wiring substrate electrically connected to the mount to supply a drive signal to the actuator. The mount of the actuator and the wiring substrate are bonded together using an epoxy adhesive agent containing p-aminophenol epoxy resin, bisphenol A epoxy resin, and bisphenol F epoxy resin.

Abstract: A sub-carriage includes a first head mounting portion and a second head mounting portion. The second head mounting portion includes at least a portion of constitution members of an adjustment mechanism which adjusts a position of the second head, a first recording head of one side of the same set is fixed in a state of being positioned to the first head mounting portion so that the nozzles are disposed in a defined position, and a second recording head of the other side is fixed to the second head mounting portion in a state where the relative position to the first recording head is defined by the adjustment mechanism based on a landing position in a recording medium of ink ejected from predetermined nozzles of the second recording head with respect to a landing position in a recording medium of ink ejected from predetermined nozzles of the first head.

Abstract: A liquid ejecting head includes a head main body capable of ejecting a liquid supplied from a liquid storage unit, and a supply member provided with a liquid supply passage for supplying the liquid from the liquid storage unit to the head main body. The supply member has a filter mounting member provided with the liquid supply passage, a supply body that supplies the filter mounting member with the liquid, and a filter provided between the filter mounting member and the supply body. The supply member is provided with an outer portion that fixes the filter mounting member, the supply body, and the filter and that is formed by integral molding.

Abstract: A liquid ejecting head includes a first flow channel member that configures part of the wall surface of a liquid flow channel, a second flow channel member that configures a different part of the wall surface of the liquid flow channel than the part configured by the first flow channel member, and an integral molded member, formed around the liquid flow channel, that joins the first flow channel member with the second flow channel member through integral molding. An elastic member that is sandwiched between the first flow channel member and the second flow channel member and is more elastically deformable than the first flow channel member and the second flow channel member, is provided around the liquid flow channel, and the integral molded member is formed on the outside of the elastic member sandwiched between the first flow channel member and the second flow channel member.

Abstract: A liquid ejecting head includes a head body, a supply member having a first member, a second member, and a third member each having a liquid supply channel, the supply member including a first filter provided between the first member and the second member and a second filter provided between the second member and the third member; a first outer portion being provided between the first member and the second member, the first outer member being formed by integral molding for fixing the first member, the second member; a second outer portion being provided on the outer peripheries of the second member and the third member, the second outer portion being formed by integral molding for fixing the second member, the third member, and the second filter.

Abstract: A sub-carriage includes a first head mounting portion and a second head mounting portion. The second head mounting portion includes at least a portion of constitution members of an adjustment mechanism which adjusts a position of the second head, a first recording head of one side of the same set is fixed in a state of being positioned to the first head mounting portion so that the nozzles are disposed in a defined position, and a second recording head of the other side is fixed to the second head mounting portion in a state where the relative position to the first recording head is defined by the adjustment mechanism based on a landing position in a recording medium of ink ejected from predetermined nozzles of the second recording head with respect to a landing position in a recording medium of ink ejected from predetermined nozzles of the first head.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head unit having a plurality of liquid ejecting heads that ejects liquid from nozzles. The liquid ejecting head unit has a head fixing member that fixes a plurality of the liquid ejecting heads in a row with gaps between the heads. The head fixing member has an opening at a frame section, and fixes a plurality of the liquid ejecting heads that are inserted into the opening in a state where at least one portion of each of the nozzle plates protrudes through the opening. Partition plates are arranged between the liquid ejecting heads in the frame section in a row with the liquid ejecting heads across the opening. A portion of each of the partition plates protrudes from the bottom of the frame section.

Abstract: A liquid ejecting head includes: a head body which ejects a liquid supplied from a liquid storing member via a liquid supply path; a first supply member which is provided with a first liquid supply path forming a part of the liquid supply path; a second supply member which is provided with a second liquid supply path communicating with the first liquid supply path and forming a part of the liquid supply path, and which supplies the liquid to the head body; and a filter which is sandwiched between the first and second liquid supply paths, wherein a sandwiching portion including the first and second supply members and sandwiching the filter includes an inclination portion that is inclined to the downstream side so as to face the outside of the liquid supply path. A liquid ejecting apparatus includes the liquid ejecting head.

Abstract: The present method detects an ink consumption condition in an ink cartridge loaded on an ink jet recording apparatus having a recording head for jetting ink drops, using a piezo-electric device mounted on the cartridge. The method detects the ink consumption condition using the piezo-electric device when the recording head is in a non-recording state. A complicated seal structure is not necessary and the ink residue can be detected surely.

Abstract: A detector of liquid consumption condition includes first and second vibrating parts that can vibrate relatively to a containing space that can be filled and refilled with a liquid. At least a portion of the first and second vibrating parts are exposed to the containing space. Each of the vibrating parts are caused to vibrate by piezoelectric devices based on a driving signal and can generate a counter electromotive force signal by a vibration of the vibrating parts. A liquid consumption condition detecting part can detect a liquid consumption condition, based on the counter electromotive force signal from at least one of the piezoelectric devices. The containing space can contains a predetermined volume of the liquid, and the first vibrating part is placed near a surface of the liquid at a first level, and the second part is placed near a surface of the liquid at a second level.

Abstract: An ink cartridge having a container for storing ink therein and having an ink supply port formed at a leading end side in an insertion direction of the container, a memory device disposed on a first of two opposite surfaces parallel to the insertion direction of the container, the memory device having an electrode for electrical connection to the recording device; a retaining member disposed on the first surface and located at a trailing end side relative to the memory device in the insertion direction, the retaining member serving to selectively engage with the recording device; and another retaining member disposed on the second surface and which also serves to selectively engage with the recording device.

Abstract: An ink cartridge having a container for storing ink therein and having an ink supply port formed at a leading end side in an insertion direction of the container, a memory device disposed on a first of two opposite surfaces parallel to the insertion direction of the container, the memory device having an electrode for electrical connection to the recording device; a retaining member disposed on the first surface and located at a trailing end side relative to the memory device in the insertion direction, the retaining member serving to selectively engage with the recording device; and another retaining member disposed on the second surface and which also serves to selectively engage with the recording device.

Abstract: The mounting structure for mounting the piezo-electric device (106) used to detect the consumption condition of the liquid in the liquid container (1) to the liquid container (1), having the receiving portion (363) to which the piezo-electric device (106) is to be mounted and the mount portion (363) to be mounted to the liquid container (1). The mounting structure can appropriately mount a piezo-electric device (106) for detecting the consumption condition of a liquid in a liquid container (1) to the liquid container (1).

Abstract: An ink container which includes an ink supply port for supplying ink to a recording head, and is formed with a flexible member shaped like a bag, which deforms in accordance with an amount of remaining ink contained therein, the ink container including: a sensor module serving as vibration activating and detecting unit, provided on one of the surfaces of the ink container, for emitting a vibration to the ink; and a rigid member provided on a location of the other surface of the ink container, which is opposed to the sensor module; wherein an amount of remaining ink is detected based on a vibration characteristic of the vibration activating and detecting unit which depends on a distance between the vibration activating and detecting unit and the rigid member.

Abstract: A liquid ejecting apparatus of the present invention has a translationally movable member configured to be connected to a liquid container inserted in a container mounting unit, in link motion with a straight operation of the liquid container when inserting a liquid feed needle through a liquid feed port of the liquid container, translationally advance in the direction parallel with the straight operation, an apparatus side fixing structure for releasably restricting the movement of the liquid container in the mounting state in the pull-out direction, having a stopper pin to be stopped in a guide groove of a container side fixing structure formed in the liquid container, and apparatus side positioning structures installed in the translationally movable member, in cooperation with a container side positioning structure formed in the liquid container, for positioning the liquid container in a predetermined position to the translationally movable member.

Abstract: A liquid charging method for charging a liquid container with a liquid, the liquid container being provided with a piezo-electric device for detecting a consumption condition of the liquid in said liquid container, the piezo-electric device being provided with a cavity connecting to an inside of the liquid container, has the steps of: reducing a pressure in the liquid container to a pressure lower than atmospheric pressure; and charging the liquid container with the liquid. The liquid container requiring no complicated seal structure for precisely detecting the consumption condition of a liquid by using the piezo-electric device is charged with a liquid without internally leaving air bubbles.

Abstract: A liquid ejecting head includes a first flow channel member that configures part of the wall surface of a liquid flow channel, a second flow channel member that configures a different part of the wall surface of the liquid flow channel than the part configured by the first flow channel member, and an integral molded member, formed around the liquid flow channel, that joins the first flow channel member with the second flow channel member through integral molding. An elastic member that is sandwiched between the first flow channel member and the second flow channel member and is more elastically deformable than the first flow channel member and the second flow channel member, is provided around the liquid flow channel, and the integral molded member is formed on the outside of the elastic member sandwiched between the first flow channel member and the second flow channel member.

Abstract: A liquid ejecting head includes: a first passageway member which forms a part of a wall surface of a liquid passageway; a second passageway member which forms a part of a wall surface of the liquid passageway different from the first passageway member; and an integral molding member which is formed in the periphery of the liquid passageway so that the first and second passageway members are integrally molded and bonded to each other, wherein the first and second passageway members have a bonding region where the first and second passageway members are bonded to each other in the periphery of the liquid passageway at a boundary between the first and second passageway members, and wherein the integral molding member is formed on the outside of the bonding region.