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公开(公告)号：US20180281407A1
公开(公告)日：2018-10-04
申请号：US15921259
申请日：2018-03-14
发明人： Hideki HAYASHI , Taisuke MIZUNO , Keita HIRAI , Yuichi ITO
摘要： There is provided a liquid discharge apparatus which includes a channel substrate having a nozzle, a pressure chamber which communicates with the nozzle, an actuator which covers the pressure chamber, and a contact point that is electrically connected to the actuator, and a circuit board which has wires that are to be electrically connected to contact points, and which is adhered to the channel substrate. The channel substrate includes an adhesive wall which is provided with contact points, and which has a surface to which an adhering portion of the circuit board to be adhered to the channel substrate, is adhered, and further includes a wall portion which is provided with a cavity on a side of the adhesive wall, opposite to the surface, and which demarcates the cavity on a side opposite to the surface, of the adhesive wall, and the adhering portion is facing the cavity and the wall portion.
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公开(公告)号：US20180229498A1
公开(公告)日：2018-08-16
申请号：US15955806
申请日：2018-04-18
发明人： Hideki HAYASHI , Keita SUGIURA , Taisuke MIZUNO
CPC分类号： B41J2/1433 , B41J2/155 , B41J2002/14491 , B41J2202/20
摘要： A liquid ejection head, including: a first head unit; a second head unit shifted with respect to the first head unit in both of a first direction in which nozzles of the head units are arranged and a second direction orthogonal to the first direction and disposed so as to overlap the first head unit in the second direction; and a first wiring member having flexibility and drawn from the second head unit in the second direction toward the first head unit, wherein the first wiring member includes a large-width portion on which a drive circuit is mounted and a small-width portion having a width in the first direction smaller than a width of the large-width portion in the first direction, and wherein the small-width portion passes through a space existing next to the first head unit in the first direction and extends in the second direction.
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公开(公告)号：US20180029395A1
公开(公告)日：2018-02-01
申请号：US15468524
申请日：2017-03-24
发明人： Keita SUGIURA , Masayuki TAKATA , Hideki HAYASHI
IPC分类号： B41J29/377 , B41J2/14
CPC分类号： B41J29/377 , B41J2/1408 , B41J2/14201 , B41J2/155 , B41J2202/08 , B41J2202/20 , B41J2202/21
摘要： A liquid ejection head includes: a first head unit; a second head unit disposed adjacent to the first head unit in a first direction and located on a first side of the first head unit in a second direction; and a heat uniforming unit shared by the first head unit and the second head unit. Each of the first head unit and the second head unit includes: a unit body including an actuator; and a first driver integrated circuit disposed on the first side of the unit body in the second direction. The heat uniforming unit includes a first heat uniforming member disposed on the first side of the first head unit and the second head unit in the second direction. The first heat uniforming member includes a first protrusion located next to the second head unit in the first direction and protruding toward the first head unit.
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公开(公告)号：US20220016887A1
公开(公告)日：2022-01-20
申请号：US17489850
申请日：2021-09-30
发明人： Taisuke MIZUNO , Hideki HAYASHI , Keita SUGIURA
摘要： A liquid jetting apparatus jetting a liquid onto a recording medium conveyed in a first direction includes head units arranged in a second direction orthogonal to the first direction. One head unit includes nozzle chips; one nozzle chip has a nozzle arrangement area wherein nozzles are aligned in a third direction crossing the first and second directions. The nozzle chip is arranged to be shifted relative to another nozzle chip in a direction crossing the first and second directions and different from the third direction. The head unit has a first overlapping portion wherein nozzle arrangement areas of first and second nozzle chips included in the nozzle chips partially overlap with each other in the first direction. The liquid jetting apparatus has a second overlapping portion wherein nozzle arrangement areas of third and fourth nozzle chips included in the head units partially overlap with each other in the first direction.
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公开(公告)号：US20200247161A1
公开(公告)日：2020-08-06
申请号：US16856184
申请日：2020-04-23
发明人： Keita SUGIURA , Masayuki TAKATA , Hideki HAYASHI
IPC分类号： B41J29/377 , B41J2/155 , B41J2/14
摘要： A liquid ejection head includes: a first head unit; a second head unit disposed adjacent to the first head unit in a first direction and located on a first side of the first head unit in a second direction; and a heat uniforming unit shared by the first head unit and the second head unit. Each of the first head unit and the second head unit includes: a unit body including an actuator; and a first driver integrated circuit disposed on the first side of the unit body in the second direction. The heat uniforming unit includes a first heat uniforming member disposed on the first side of the first head unit and the second head unit in the second direction. The first heat uniforming member includes a first protrusion located next to the second head unit in the first direction and protruding toward the first head unit.
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公开(公告)号：US20190337312A1
公开(公告)日：2019-11-07
申请号：US16514251
申请日：2019-07-17
发明人： Keita SUGIURA , Masayuki TAKATA , Hideki HAYASHI
IPC分类号： B41J29/377 , B41J2/155 , B41J2/14
摘要： A liquid ejection head includes: a first head unit; a second head unit disposed adjacent to the first head unit in a first direction and located on a first side of the first head unit in a second direction; and a heat uniforming unit shared by the first head unit and the second head unit. Each of the first head unit and the second head unit includes: a unit body including an actuator; and a first driver integrated circuit disposed on the first side of the unit body in the second direction. The heat uniforming unit includes a first heat uniforming member disposed on the first side of the first head unit and the second head unit in the second direction. The first heat uniforming member includes a first protrusion located next to the second head unit in the first direction and protruding toward the first head unit.
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公开(公告)号：US20230311525A1
公开(公告)日：2023-10-05
申请号：US18191146
申请日：2023-03-28
发明人： Hideki HAYASHI
IPC分类号： B41J2/175
CPC分类号： B41J2/17513 , B41J2002/17516
摘要： A pouch is configured to accommodate one of ink, nozzle cleaning liquid or preserving liquid and is configured to be foldable from an expanded state in which the pouch has a thickness in a first direction to a shrunk state in which the pouch has a planar shape. The pouch includes: a body portion provided with a first edge and a second edge in a second direction orthogonal to the first direction; a gusset formed at an end portion of the body portion in a third direction orthogonal to the first direction and the second direction; and a spout inserting portion formed at one end edge of the gusset in the first direction. The spout inserting portion is formed at a position shifted to the first edge with respect to a center between the first edge and the second edge in the second direction.
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公开(公告)号：US20210078330A1
公开(公告)日：2021-03-18
申请号：US17102554
申请日：2020-11-24
发明人： Hideki HAYASHI , Keita SUGIURA , Taisuke MIZUNO
摘要： A liquid ejection head, including: a first head unit; a second head unit shifted with respect to the first head unit in both of a first direction in which nozzles of the head units are arranged and a second direction orthogonal to the first direction and disposed so as to overlap the first head unit in the second direction; and a first wiring member having flexibility and drawn from the second head unit in the second direction toward the first head unit, wherein the first wiring member includes a large-width portion on which a drive circuit is mounted and a small-width portion having a width in the first direction smaller than a width of the large-width portion in the first direction, and wherein the small-width portion passes through a space existing next to the first head unit in the first direction and extends in the second direction.
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公开(公告)号：US20190084325A1
公开(公告)日：2019-03-21
申请号：US16196501
申请日：2018-11-20
发明人： Keita SUGIURA , Masayuki TAKATA , Hideki HAYASHI
IPC分类号： B41J29/377 , B41J2/14 , B41J2/155
CPC分类号： B41J29/377 , B41J2/1408 , B41J2/14201 , B41J2/155 , B41J2202/08 , B41J2202/20 , B41J2202/21
摘要： A liquid ejection head includes: a first head unit; a second head unit disposed adjacent to the first head unit in a first direction and located on a first side of the first head unit in a second direction; and a heat uniforming unit shared by the first head unit and the second head unit. Each of the first head unit and the second head unit includes: a unit body including an actuator; and a first driver integrated circuit disposed on the first side of the unit body in the second direction. The heat uniforming unit includes a first heat uniforming member disposed on the first side of the first head unit and the second head unit in the second direction. The first heat uniforming member includes a first protrusion located next to the second head unit in the first direction and protruding toward the first head unit.
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公开(公告)号：US20190047288A1
公开(公告)日：2019-02-14
申请号：US16161730
申请日：2018-10-16
发明人： Hideki HAYASHI , Keita SUGIURA , Taisuke MIZUNO
摘要： A liquid ejection head, including: a first head unit; a second head unit shifted with respect to the first head unit in both of a first direction in which nozzles of the head units are arranged and a second direction orthogonal to the first direction and disposed so as to overlap the first head unit in the second direction; and a first wiring member having flexibility and drawn from the second head unit in the second direction toward the first head unit, wherein the first wiring member includes a large-width portion on which a drive circuit is mounted and a small-width portion having a width in the first direction smaller than a width of the large-width portion in the first direction, and wherein the small-width portion passes through a space existing next to the first head unit in the first direction and extends in the second direction.
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