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    Inkjet recording apparatus
    12.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US11964489B2

    公开(公告)日：2024-04-23

    申请号：US17700047

    申请日：2022-03-21

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Somete ,  Chikara Ishihara ,  Noriaki Furukawa ,  Takuma Araki ,  Jun Nakano ,  Hiroomi Nakatsuji ,  Issei Nakano

    IPC: B41J2/165 ,  B41J11/00

    CPC classification number: B41J2/16523 ,  B41J2/16532 ,  B41J11/007 ,  B41J11/0085

    Abstract: An inkjet recording apparatus includes a recording head including a plurality of nozzles for ejecting ink, a conveyor belt that has a plurality of apertures and conveys recording media one by one, a control unit, an ink receiver, and a pipe-shaped ink discharge flow path. The control unit controls drive of the recording head and the conveyor belt to perform flushing, in which the ink is ejected from the nozzle of the recording head to pass through one of the apertures, at a timing different from a timing contributing to image recording. The ink receiver is disposed to face the recording head sandwiching the conveyor belt therebetween, to receive the ink after passing through the aperture when the flushing is performed. The ink discharge flow path is connected to the ink receiver. When the flushing is performed, a predetermined amount of liquid is stored in the ink receiver.

    Recording head recovery system and inkjet recording apparatus having the same
    13.
    发明授权
    Recording head recovery system and inkjet recording apparatus having the same 有权

    公开(公告)号：US11192377B2

    公开(公告)日：2021-12-07

    申请号：US17124748

    申请日：2020-12-17

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Kenichi Satake ,  Yasutaka Inui ,  Takuma Araki

    IPC: B41J2/165 ,  B41J2/21

    Abstract: Provided is a recording head recovery system, which includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and includes a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. A height position of a lower end part of the wiper when passing the cleaning liquid supply region is lower than a height position of the lower end part of the wiper when wiping the ink ejection region.

    Recording head and ink-jet recording apparatus provided with the same
    14.
    发明授权
    Recording head and ink-jet recording apparatus provided with the same 有权

    公开(公告)号：US10259225B2

    公开(公告)日：2019-04-16

    申请号：US15850917

    申请日：2017-12-21

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takuma Araki ,  Kenichi Satake ,  Yasutaka Inui

    IPC: B41J2/165

    Abstract: A recording head is provided with an ink ejection surface and a cleaning liquid supply surface. The ink ejection surface includes a nozzle region in which a plurality of ink ejection nozzles for ejecting ink onto a recording medium are open. The cleaning liquid supply surface is provided, with respect to the nozzle region, on an upstream side in a wiping direction in which a wiper wipes the ink ejection surface, and a plurality of cleaning liquid supply ports for supplying a cleaning liquid are open through the cleaning liquid supply surface. On the cleaning liquid supply surface, at least in a region including the cleaning liquid supply ports, a hydrophilic region having wettability with respect to water higher than that of the ink ejection surface is formed substantially evenly across an entire region in a width direction thereof orthogonal to the wiping direction.

    Inkjet recording apparatus
    16.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US10195859B2

    公开(公告)日：2019-02-05

    申请号：US15826164

    申请日：2017-11-29

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Noriaki Furukawa ,  Takashi Somete ,  Yasutaka Inui ,  Masanobu Maeshima ,  Takuma Araki

    IPC: B41J2/165

    Abstract: In an inkjet recording apparatus, a recording head has an ink ejection port through which ink is ejected, a cleaning liquid supplying portion has a cleaning liquid supply port through which cleaning liquid for cleaning an ink ejection surface having the ink ejection port, is supplied, and a cleaning member cleans the ink ejection surface by the cleaning liquid by moving while in contact with the ink ejection surface. The cleaning liquid supplying portion includes a main body portion and a protruding portion. The main body portion is disposed on an upstream side of the recording head in a moving direction of the cleaning member. The protruding portion protrudes from the main body portion toward a downstream in the moving direction, and covers, from below, lower ends of side surfaces of the recording head and the main body portion that face each other in the moving direction.

    Ink-replacement method for inkjet recording apparatus
    17.
    发明授权
    Ink-replacement method for inkjet recording apparatus 有权

    公开(公告)号：US12263684B2

    公开(公告)日：2025-04-01

    申请号：US18185841

    申请日：2023-03-17

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Noriaki Furukawa ,  Takashi Somete ,  Takuma Araki

    IPC: B41J2/19 ,  B41J2/165 ,  B41J2/175 ,  B41J2/185

    Abstract: Provided is an ink-replacement method for an inkjet recording apparatus that includes a recording head having an ink ejection surface on which a plurality of nozzles for ejecting ink onto a recording medium is arranged, a sub-tank for temporarily retaining the ink supplied from an ink container, and an ink flow path along which the ink circulates from and to the sub-tank by passing through the recording head. In replacing a first ink present in the ink flow path with a second ink to be newly supplied to the recording head via the ink flow path, when the second ink is caused to flow from the sub-tank into the ink flow path, pulsation is generated in the ink flow path.

    Inkjet recording apparatus
    18.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US11554588B2

    公开(公告)日：2023-01-17

    申请号：US17206262

    申请日：2021-03-19

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Hiroyuki Ueda ,  Chikara Ishihara ,  Takashi Somete ,  Issei Nakano ,  Jun Nakano ,  Hiroomi Nakatsuji ,  Aiichiro Otana ,  Takuma Araki ,  Noriaki Furukawa ,  Yasutaka Inui

    IPC: B41J2/165 ,  B41J11/00

    Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The suction unit is configured to suck the sheet to the conveyance belt. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A depth of the recessed portion in a facing region facing the head end portion of the conveyance plate is shallower than a depth of the recessed portion in a region other than the facing region.

    Inkjet recording apparatus
    19.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US11161345B2

    公开(公告)日：2021-11-02

    申请号：US16885117

    申请日：2020-05-27

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Noriaki Furukawa ,  Takashi Somete ,  Chikara Ishihara ,  Hiroyuki Ueda ,  Hiroomi Nakatsuji ,  Issei Nakano ,  Aiichiro Otana ,  Jun Nakano ,  Yasutaka Inui ,  Takuma Araki

    IPC: B41J2/165

    Abstract: An inkjet recording apparatus includes a recording head, a wiper member, a cleaning liquid supply device, a cleaning liquid flow path, and a controller. The cleaning liquid flow path includes a vertical tubular member connected to the cleaning liquid supply device and extending upward, and a horizontal tubular member connected to an upper end of the vertical tubular member and extending in a horizontal direction. The controller extrudes a cleaning liquid in at least a part of the cleaning liquid flow path from a cleaning liquid supply port before control of a cleaning operation for wiping an ink ejection surface of the recording head, thereby performing control of an air bubble release operation of the cleaning liquid flow path.

    INKJET RECORDING APPARATUS
    20.
    发明申请
    INKJET RECORDING APPARATUS 有权

    公开(公告)号：US20210300045A1

    公开(公告)日：2021-09-30

    申请号：US17206262

    申请日：2021-03-19

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Hiroyuki UEDA ,  Chikara Ishihara ,  Takashi Somete ,  Issei Nakano ,  Jun Nakano ,  Hiroomi Nakatsuji ,  Aiichiro Otana ,  Takuma Araki ,  Noriaki Furukawa ,  Yasutaka Inui

    IPC: B41J2/165 ,  B41J11/00

    Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The suction unit is configured to suck the sheet to the conveyance belt. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A depth of the recessed portion in a facing region facing the head end portion of the conveyance plate is shallower than a depth of the recessed portion in a region other than the facing region.

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