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1.发明授权公开(公告)号：US11590758B2
公开(公告)日：2023-02-28
申请号：US17337685
申请日：2021-06-03
发明人： Kosuke Nukui , Fumio Nakazawa , Suguru Tomoguchi , Hiroaki Takahashi , Akihito Ono , Tetsuro Kobayashi , Takahiro Miyao
摘要： A printing-fluid cartridge is inserted into a prescribed insertion space of a cartridge-attachment section in an insertion direction crossing a gravitational direction to be attached thereto in an attached posture. The printing-fluid cartridge includes: a housing including a storage chamber, a supply portion having a supply hole, an electrical interface disposed at an upper surface of the housing, and an interfering surface. The interfering surface is positioned upward of the storage chamber and extends in a widthwise direction of the housing. The interfering surface is positioned downward and frontward relative to the electrical interface and is configured to abut against a projection provided at another insertion space different from the prescribed insertion space of the cartridge-attachment section during an insertion of the printing-fluid cartridge into the another insertion space.
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公开(公告)号：US20200307236A1
公开(公告)日：2020-10-01
申请号：US16805264
申请日：2020-02-28
IPC分类号： B41J2/175
摘要： A replenishing-type liquid storage tank includes a tank body, a backpressure application member, and upper limit indicator set in the tank body. Liquid is replenishable in the tank body and the tank body is configured to store the liquid therein. The backpressure application member is made from a material capable of absorbing liquid and is accommodated in the tank body to apply backpressure to the liquid stored in the tank body. The upper limit indicator is indicative of a liquid level of a maximum tolerable amount of the liquid that can be stored in the tank body. The backpressure application member has a portion positioned higher than the upper limit indicator.
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公开(公告)号：US10737498B2
公开(公告)日：2020-08-11
申请号：US15939912
申请日：2018-03-29
发明人： Kosuke Nukui , Fumio Nakazawa , Tetsuro Kobayashi , Hiroaki Takahashi , Akihito Ono , Takahiro Miyao
IPC分类号： B41J2/175
摘要： A liquid cartridge includes a chamber, a liquid outflow path, a circuit board, a first surface and a second surface. The chamber stores liquid. The liquid outflow path extends from the chamber to an outlet formed at the liquid outflow path. The outlet is to communicate with an exterior of the liquid cartridge and faces frontward. The circuit board is disposed rearward relative to the outlet. The first surface faces at least upwardly. The second surface faces at least rearwardly. The circuit board includes at least one of the first surface and the second surface.
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公开(公告)号：US10343413B2
公开(公告)日：2019-07-09
申请号：US15939388
申请日：2018-03-29
发明人： Takahiro Miyao , Akihito Ono , Hiroaki Takahashi , Tetsuro Kobayashi , Fumio Nakazawa , Kosuke Nukui
IPC分类号： B41J2/175
摘要： A liquid cartridge is configured to be inserted into a cartridge-attachment section including a casing, a movable member, and an urging member. The casing includes a liquid chamber storing liquid therein; a liquid passage extending in a first direction in an upright posture, and a top surface. The top surface faces upward in the upright posture and formed with a recess. The movable member has a light blocking portion. The light blocking portion in the upright posture is configured to move between a first position and a second position. At least a part of the light blocking portion in the first position is positioned above the top surface in the upright posture. The urging member is configured to urge the movable member toward the first position.
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公开(公告)号：US11351792B2
公开(公告)日：2022-06-07
申请号：US17015250
申请日：2020-09-09
发明人： Hiroaki Takahashi , Takahiro Miyao , Akihito Ono , Tetsuro Kobayashi , Fumio Nakazawa , Kosuke Nukui
IPC分类号： B41J2/175
摘要： A liquid cartridge configured to be inserted into a cartridge-attachment section in an insertion direction includes a casing, and a lever supported by the casing. The lever is pivotable about a pivot axis between a first position and a second position. The lever includes a light-blocking portion configured to block or attenuate light traveling in a widthwise direction crossing the insertion direction and a gravitational direction, and a force-receiving portion positioned closer to a front wall of the casing than the light-blocking portion is to the front wall in the insertion direction. The light-blocking portion is positioned lower at the second position than at the first position. The pivot axis is positioned frontward of the light-blocking portion and rearward of the force-receiving portion in the insertion direction. The lever pivots from the second position to the first position upon application of an external force to the force-receiving portion.
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公开(公告)号：US11225084B2
公开(公告)日：2022-01-18
申请号：US16805264
申请日：2020-02-28
IPC分类号： B41J2/175
摘要： A replenishing-type liquid storage tank includes a tank body, a backpressure application member, and upper limit indicator set in the tank body. Liquid is replenishable in the tank body and the tank body is configured to store the liquid therein. The backpressure application member is made from a material capable of absorbing liquid and is accommodated in the tank body to apply backpressure to the liquid stored in the tank body. The upper limit indicator is indicative of a liquid level of a maximum tolerable amount of the liquid that can be stored in the tank body. The backpressure application member has a portion positioned higher than the upper limit indicator.
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公开(公告)号：US11072184B2
公开(公告)日：2021-07-27
申请号：US16905267
申请日：2020-06-18
发明人： Takahiro Miyao , Akihito Ono , Hiroaki Takahashi , Tetsuro Kobayashi , Fumio Nakazawa , Kosuke Nukui
IPC分类号： B41J2/175
摘要： A liquid cartridge is configured to be inserted into a cartridge-attachment section including a casing, a movable member, and an urging member. The casing includes a liquid chamber storing liquid therein; a liquid passage extending in a first direction in an upright posture, and a top surface. The top surface faces upward in the upright posture and formed with a recess. The movable member has a light blocking portion. The light blocking portion in the upright posture is configured to move between a first position and a second position. At least a part of the light blocking portion in the first position is positioned above the top surface in the upright posture. The urging member is configured to urge the movable member toward the first position.
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公开(公告)号：US10773525B2
公开(公告)日：2020-09-15
申请号：US16562651
申请日：2019-09-06
发明人： Hiroaki Takahashi , Takahiro Miyao , Akihito Ono , Tetsuro Kobayashi , Fumio Nakazawa , Kosuke Nukui
IPC分类号： B41J2/175
摘要： A liquid cartridge configured to be inserted into a cartridge-attachment section in an insertion direction includes a casing, and a lever supported by the casing. The lever is pivotable about a pivot axis between a first position and a second position. The lever includes a light-blocking portion configured to block or attenuate light traveling in a widthwise direction crossing the insertion direction and a gravitational direction, and a force-receiving portion positioned closer to a front wall of the casing than the light-blocking portion is to the front wall in the insertion direction. The light-blocking portion is positioned lower at the second position than at the first position. The pivot axis is positioned frontward of the light-blocking portion and rearward of the force-receiving portion in the insertion direction. The lever pivots from the second position to the first position upon application of an external force to the force-receiving portion.
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9.发明授权公开(公告)号：US10391777B2
公开(公告)日：2019-08-27
申请号：US15664015
申请日：2017-07-31
发明人： Kosuke Nukui , Fumio Nakazawa , Suguru Tomoguchi , Hiroaki Takahashi , Akihito Ono , Tetsuro Kobayashi , Takahiro Miyao
摘要： A printing-fluid cartridge is inserted into a prescribed insertion space of a cartridge-attachment section in an insertion direction crossing a gravitational direction to be attached thereto in an attached posture. The printing-fluid cartridge includes: a housing including a storage chamber, a supply portion having a supply hole, an electrical interface disposed at an upper surface of the housing, and an interfering surface. The interfering surface is positioned upward of the storage chamber and extends in a widthwise direction of the housing. The interfering surface is positioned downward and frontward relative to the electrical interface and is configured to abut against a projection provided at another insertion space different from the prescribed insertion space of the cartridge-attachment section during an insertion of the printing-fluid cartridge into the another insertion space.
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公开(公告)号：US10071555B2
公开(公告)日：2018-09-11
申请号：US15450118
申请日：2017-03-06
发明人： Fumio Nakazawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16523 , B41J2/16505 , B41J2/16508 , B41J2/16526 , B41J2/16532 , B41J2/16538 , B41J2002/1657
摘要： A liquid ejection apparatus comprises a liquid ejection head, a nozzle cap, and a suction pump. The liquid ejection head includes first nozzles, second nozzles, and an ejection surface in which the first nozzles and the second nozzles are formed. The nozzle cap includes a first cap section for covering the first nozzles, a second cap section for covering the second nozzles, a communication section connected with the first cap section and the second cap section, a suction port for being connected with the suction pump, and an atmosphere communication port for communication with atmosphere. At least one of the suction port and the atmosphere communication port is provided at non-connection end portions which are end portions in the one direction of the first cap section and the second cap section and are not connected with the communication section.
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