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    WARMING DEVICE CAPABLE OF DETERMINING LOWERING OF WARMING FUNCTION, IMAGE FORMING APPARATUS, AND DETERMINATION METHOD
    1.
    发明申请
    WARMING DEVICE CAPABLE OF DETERMINING LOWERING OF WARMING FUNCTION, IMAGE FORMING APPARATUS, AND DETERMINATION METHOD 有权

    公开(公告)号：US20250010622A1

    公开(公告)日：2025-01-09

    申请号：US18763409

    申请日：2024-07-03

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Yuna Niimi ,  Takuma Araki

    IPC: B41J2/175 ,  B41J29/46 ,  F24H15/104 ,  F24H15/223 ,  G01F23/22

    Abstract: A warming device includes a corrugated tube, a storing portion, a heater, a temperature sensor, a drive control portion, and a determination processing portion. The corrugated tube includes a spiral portion. The storing portion stores the spiral portion and a liquid heating medium used for warming the spiral portion. The heater heats the storing portion. The temperature sensor is of a contact type, is provided at a position higher than the spiral portion, and is used for detecting a temperature of the heating medium. The drive control portion controls drive of the heater based on a detection temperature detected by the temperature sensor. The determination processing portion determines, based on the detection temperature obtained after a start of the drive of the heater, whether it is a shortage state where a storage amount of the heating medium in the storing portion falls below a predetermined lower limit amount.

    Wiping device, image forming apparatus and wiping method
    2.
    发明授权
    Wiping device, image forming apparatus and wiping method 有权

    公开(公告)号：US12097707B2

    公开(公告)日：2024-09-24

    申请号：US17935793

    申请日：2022-09-27

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Issei Nakano ,  Takuma Araki

    IPC: B41J2/165

    CPC classification number: B41J2/16535

    Abstract: A wiping device includes a wiping member and a moving part. The wiping member wipes a liquid off a nozzle surface of a recording head. The moving part moves the wiping member along the nozzle surface in a predetermined moving direction. The wiping member performs a first wiping operation in which the wiping member is moved while not coming into contact with the nozzle surface but coming into contact with the liquid adhering to the nozzle surface, and a second wiping operation in which the wiping member is moved while coming into contact with the nozzle surface after the first wiping operation.

    Head cleaning mechanism and ink jet recording apparatus including the same
    3.
    发明授权
    Head cleaning mechanism and ink jet recording apparatus including the same 有权

    公开(公告)号：US10155389B2

    公开(公告)日：2018-12-18

    申请号：US15856885

    申请日：2017-12-28

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takuma Araki ,  Kenichi Satake ,  Yasutaka Inui

    IPC: B41J2/165 ,  B41J2/17 ,  B41J2/185

    Abstract: A head cleaning mechanism of the disclosure includes a recording head and a wiper. The recording head includes an ink ejection surface in which an ink ejection area with a plurality of ink ejection ports opened therein is provided. The wiper wipes the ink ejection surface in a specified direction. The recording head includes an inclined surface placed on an upstream side of the ink ejection surface in a wiping direction that is a direction in which the wiper wipes the ink ejection surface, the inclined surface being inclined downward toward a downstream side of the wiping direction. A plurality of cleaning liquid supply ports for supplying cleaning liquid are provided on a wiping-direction upstream side of a position in the inclined surface with which the wiper makes contact during wiping operation.

    IMAGE FORMING APPARATUS CAPABLE OF SHORTENING WAIT TIME OF USER BEFORE START OF IMAGE FORMATION, AND OPERATION CONTROL METHOD
    4.
    发明申请
    IMAGE FORMING APPARATUS CAPABLE OF SHORTENING WAIT TIME OF USER BEFORE START OF IMAGE FORMATION, AND OPERATION CONTROL METHOD 有权

    公开(公告)号：US20250010630A1

    公开(公告)日：2025-01-09

    申请号：US18762015

    申请日：2024-07-02

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takuma Araki ,  Yuna Niimi

    IPC: B41J2/175 ,  B41J2/17 ,  B41J2/18

    Abstract: An image forming apparatus includes a heater, an accumulation portion, a drive control portion, and a flow processing portion. The heater warms ink at a warming position more on an upstream side of a flowing direction than an ejection portion on a supply path of the ink. The accumulation portion is provided in a specific section from the warming position to the ejection portion on the supply path and accumulates the ink. The drive control portion controls drive of the heater based on a difference between a temperature of the ink at the warming position and a target temperature. The flow processing portion causes, when the temperature of the ink in the specific section is smaller than a threshold value, the ink warmed by the heater to flow along the supply path and a recovery path of waste ink until the ink reaches the ejection portion.

    Inkjet recording apparatus
    6.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US11554587B2

    公开(公告)日：2023-01-17

    申请号：US17206253

    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 suction unit causes the conveyance belt to suck the sheet. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. 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 ratio of the recessed portions per unit area in a facing region of the conveyance plate facing the head end portion is smaller than a ratio of the recessed portions per unit area in a region other than the facing region.

    IMAGE FORMING APPARATUS CAPABLE OF SHORTENING WAIT TIME OF USER BEFORE START OF IMAGE FORMATION, AND OPERATION CONTROL METHOD
    8.
    发明申请
    IMAGE FORMING APPARATUS CAPABLE OF SHORTENING WAIT TIME OF USER BEFORE START OF IMAGE FORMATION, AND OPERATION CONTROL METHOD 有权

    公开(公告)号：US20250010617A1

    公开(公告)日：2025-01-09

    申请号：US18760615

    申请日：2024-07-01

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takuma Araki ,  Yuna Niimi

    IPC: B41J2/17 ,  B41J2/175 ,  B41J2/18

    Abstract: An image forming apparatus includes a first ink flow path, a second ink flow path, a heater, and a flow processing portion. The first ink flow path forms a supply path of ink that reaches an ejection portion which ejects the ink. The second ink flow path forms a recovery path of waste ink ejected by the ejection portion. The heater warms the ink at a warming position that is more on an upstream side of a flowing direction of the ink than the ejection portion on the supply path. The flow processing portion causes, when a temperature of the ink in a specific section from the warming position to the ejection portion on the supply path is smaller than a threshold value, the ink warmed by the heater to flow along the supply path and the recovery path until the ink reaches the ejection portion.

    Recording head recovery system and inkjet recording apparatus having the same
    9.
    发明授权
    Recording head recovery system and inkjet recording apparatus having the same 有权

    公开(公告)号：US10899132B2

    公开(公告)日：2021-01-26

    申请号：US16926592

    申请日：2020-07-10

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Kenichi Satake ,  Yasutaka Inui ,  Takuma Araki

    IPC: B41J2/165 ,  B41J2/21

    Abstract: A recording head recovery system 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 a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. The pressure contact angle of the tip of the wiper to the ink ejection surface is decreased after the wiper passes the cleaning liquid supply region before reaching the ink ejection region.

    Head cleaning mechanism and inkjet recording apparatus including the same
    10.
    发明授权
    Head cleaning mechanism and inkjet recording apparatus including the same 有权

    公开(公告)号：US10245836B2

    公开(公告)日：2019-04-02

    申请号：US15908275

    申请日：2018-02-28

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takuma Araki ,  Kenichi Satake ,  Yasutaka Inui

    IPC: B41J2/165

    Abstract: A head cleaning mechanism includes a recording head and a wiper. The recording head has an ink ejection surface in which ink ejection ports are opened. The wiper wipes the ink ejection surface. The recording head has a cleaning liquid supply ports disposed on an upstream side of the ink ejection port in a wiping direction, and an inclined surface inclined downward toward a downstream side in the wiping direction, a tip of the wiper being in pressure contact with the inclined surface in the wiping operation. The inclined surface has a pressure contact start position at which the wiper starts the pressure contact in the wiping operation, and a water repellent region formed at least from the pressure contact start position to a position on an upstream side of the cleaning liquid supply port in the wiping direction.

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