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公开(公告)号：US20230312292A1
公开(公告)日：2023-10-05
申请号：US17946356
申请日：2022-09-16
发明人： Yasunobu GOTO , Yoshiki MATSUZAKI , Yoshinori KOIKE , Natsumi NAKATA , Nobuhiro HIROE , Hirotake EGUCHI , Kiyoshi WATANABE , Koji DEGUCHI
CPC分类号： B65H9/103 , B65H5/062 , B65H2301/331 , B65H2404/1523 , B65H2301/33312 , B65H2801/06
摘要： A sheet transport device includes a pair of movable transport rollers capable of transporting a sheet while holding the sheet and capable of moving in an axial direction crossing a transportation direction; pairs of first transport rollers disposed upstream from the pair of movable transport rollers in the transportation direction while being spaced apart from each other to transport the sheet while holding the sheet; and pairs of transport guides disposed to define sheet transport spaces between the pair of movable transport rollers and the pairs of first transport rollers and between the pairs of first transport rollers. When the pair of movable transport rollers is to be moved in the axial direction, at least one of the pairs of first transport rollers is displaced in the axial direction while holding a portion of the transported sheet.
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公开(公告)号：US20240101381A1
公开(公告)日：2024-03-28
申请号：US18189208
申请日：2023-03-24
发明人： Yasunobu GOTO , Kiyoshi WATANABE , Yoshinori KOIKE , Hirotake EGUCHI , Yuki KAWAZOE , Shuhei KOBORI
CPC分类号： B65H9/103 , B65H9/08 , G03G15/6561 , G03G15/6567 , B65H7/10 , B65H2801/06 , G03G2215/00468 , G03G2215/00721
摘要： A sheet transporting device includes first and second position correcting components provided at respective positions in a direction of sheet transport and each being configured to correct a position of a sheet in a direction intersecting the direction of sheet transport by being shifted in the direction intersecting the direction of sheet transport while holding the sheet, and a changing component capable of changing an amount of correction of the position of the sheet individually for the first and second position correcting components.
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公开(公告)号：US20230312291A1
公开(公告)日：2023-10-05
申请号：US17948002
申请日：2022-09-19
发明人： Yasunobu GOTO , Yoshinori KOIKE , Natsumi NAKATA , Nobuhiro HIROE , Hirotake EGUCHI , Kiyoshi WATANABE , Koji DEGUCHI , Yoshiki MATSUZAKI
CPC分类号： B65H9/002 , B65H5/062 , B65H15/004 , G03G15/6529 , B65H29/60
摘要： A sheet transport device includes a pair of movable transport rollers capable of transporting a sheet while holding the sheet and capable of moving in an axial direction crossing a transportation direction; pairs of first transport rollers disposed upstream from the pair of movable transport rollers in the transportation direction while being spaced apart from each other to transport the sheet while holding the sheet; and pairs of transport guides disposed to define sheet transport spaces between the pair of movable transport rollers and the pairs of first transport rollers and between the pairs of first transport rollers. When the pair of movable transport rollers is to be moved in the axial direction, first transport rollers in at least one of the pairs of first transport rollers are separated not to hold at least part of a portion of the transported sheet located upstream from the pair of movable transport rollers.
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公开(公告)号：US20240101378A1
公开(公告)日：2024-03-28
申请号：US18179364
申请日：2023-03-07
发明人： Yoshinori KOIKE , Hirotake EGUCHI , Yasunobu GOTO , Kiyoshi WATANABE , Yuki KAWAZOE , Shuhei KOBORI
CPC分类号： B65H9/002 , B65H7/06 , B65H2511/11 , B65H2511/13 , B65H2513/11
摘要： A sheet transporting device includes: a skew correcting component configured to correct any skew of a sheet by executing speed-gap driving in which first and second transporting components that are arranged at respective positions in a direction intersecting a direction of sheet transport are driven for a predetermined time period with a speed gap between the first and second transporting components; and a changing component configured to change, with reference to a characteristic relevant to sheet transport, a state of the speed-gap driving of the skew correcting component.
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公开(公告)号：US20240101372A1
公开(公告)日：2024-03-28
申请号：US18190051
申请日：2023-03-24
发明人： Hirotake EGUCHI , Yasunobu GOTO , Yoshinori KOIKE , Yuki KAWAZOE , Shuhei KOBORI , Kiyoshi WATANABE
CPC分类号： B65H5/025 , B65H5/023 , B65H5/062 , B65H9/002 , B65H9/103 , B65H9/166 , B65H2801/06 , G03G15/6561
摘要： A medium transport device includes a first transporter configured to transport a medium by nipping the medium along with rotation, a second transporter configured to transport the medium and disposed on an upstream side of the first transporter in a transport direction of the medium, a first adjuster configured to adjust a position of the medium in a width direction by moving the first transporter and the second transporter in the width direction of the medium with the medium nipped by the first transporter and the second transporter, and a second adjuster configured to adjust a contact pressure of the first transporter for the medium and a contact pressure of the second transporter for the medium based on resistance caused when the medium is moved in the width direction.
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公开(公告)号：US20230312293A1
公开(公告)日：2023-10-05
申请号：US17940300
申请日：2022-09-08
发明人： Hirotake EGUCHI , Nobuhiro HIROE , Koji DEGUCHI , Kiyoshi WATANABE , Yasunobu GOTO , Yoshinori KOIKE , Natsumi NAKATA , Yoshiki MATSUZAKI
IPC分类号： B65H9/16
CPC分类号： B65H9/166 , B65H2801/06
摘要： A medium transport device includes a positional corrector configured to transport a medium and correct a position of the medium in a width direction of the medium by moving the medium in the width direction, and an inclination corrector configured to transport the medium and correct an inclination of the medium relative to a transport direction of the medium on an upstream side of the positional corrector in the transport direction, the inclination corrector being disposed at a position where the medium is transported in a flat posture.
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公开(公告)号：US20230312289A1
公开(公告)日：2023-10-05
申请号：US17940720
申请日：2022-09-08
发明人： Koji DEGUCHI , Kiyoshi WATANABE , Nobuhiro HIROE , Hirotake EGUCHI , Yoshinori KOIKE , Yasunobu GOTO , Natsumi NAKATA , Yoshiki MATSUZAKI
CPC分类号： B65H9/002 , B65H7/06 , B65H2404/1441
摘要： A medium transport device include: an inclination corrector including a first inclination correction member and a second inclination correction member disposed away from each other in a width direction of a medium, the first inclination correction member and the second inclination correction member being individually drivable during transport of the medium, the inclination corrector being configured to correct an inclination of the medium relative to a transport direction of the medium by causing a difference in the transport of the medium between the first inclination correction member and the second inclination correction member; and a medium transporter disposed on a downstream side of the inclination corrector in the transport direction and configured to transport the medium, the medium transporter including a pair of medium transport members disposed across the medium in a thickness direction of the medium, the medium transport members being movable between a transport position where the medium transport members nip and transport the medium and a non-nipping position where a nip of the medium is canceled. During correction of the inclination of the medium by the inclination corrector, the medium transporter is moved to the non-nipping position.
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公开(公告)号：US20230312281A1
公开(公告)日：2023-10-05
申请号：US17942574
申请日：2022-09-12
发明人： Yoshinori KOIKE , Nobuhiro HIROE , Hirotake EGUCHI , Koji DEGUCHI , Yasunobu GOTO , Natsumi NAKATA , Yoshiki MATSUZAKI , Kiyoshi WATANABE
IPC分类号： B65H5/06
CPC分类号： B65H5/062 , B65H2801/06 , B65H2301/44318 , B65H2404/152
摘要： A sheet transporting device includes: plural pairs of transporting rolls that are arranged adjacent to one another in a direction of transport of a sheet; and a component configured to switch individual positions of the plural pairs of transporting rolls between a nipping position and an unnipping position, the component being a single switching component capable of switching a state of nipping by the plural pairs of transporting rolls between a state where all of the plural pairs of transporting rolls are in the nipping position, a state where some of the plural pairs of transporting rolls are in the nipping position while remaining ones of the plural pairs of transporting rolls are in the unnipping position, and a state where all of the plural pairs of transporting rolls are in the unnipping position.
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公开(公告)号：US20230314998A1
公开(公告)日：2023-10-05
申请号：US17944636
申请日：2022-09-14
发明人： Yasunobu GOTO , Yoshinori KOIKE , Yoshiki MATSUZAKI , Hirotake EGUCHI , Kiyoshi WATANABE , Natsumi NAKATA , Koji DEGUCHI , Nobuhiro HIROE
CPC分类号： G03G15/6502 , B65H5/062 , B65H9/002 , B65H2404/1424 , B65H2301/361 , B65H2301/333 , B65H2404/144
摘要： A sheet transport device includes a pair of movable transport rollers capable of transporting a sheet while holding the sheet and moving in an axial direction crossing a transportation direction; pairs of first transport rollers upstream from the pair of movable transport rollers in the transportation direction while being spaced apart from each other to transport the sheet while holding the sheet; and pairs of transport guides to define sheet transport spaces between the pair of movable transport rollers and the pairs of first transport rollers and between the pairs of first transport rollers. When the pair of movable transport rollers is to be moved in the axial direction, at least one pair of first transport rollers transports the sheet while bending the sheet in the transport space by producing a difference in transport rate within a portion of a section upstream from the pair of movable transport rollers.
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公开(公告)号：US20230312290A1
公开(公告)日：2023-10-05
申请号：US17945473
申请日：2022-09-15
发明人： Yasunobu GOTO , Yoshiki MATSUZAKI , Yoshinori KOIKE , Natsumi NAKATA , Nobuhiro HIROE , Hirotake EGUCHI , Kiyoshi WATANABE , Koji DEGUCHI
CPC分类号： B65H9/002 , B65H5/36 , B65H5/062 , G03G15/6529 , B65H29/60
摘要： A sheet transport device includes a pair of movable transport rollers capable of transporting a sheet while holding the sheet and capable of moving in an axial direction crossing a transportation direction; pairs of first transport rollers disposed at a distance from each other upstream from the pair of movable transport rollers in the transportation direction to transport the sheet while holding the sheet; and pairs of first transport guides disposed to define sheet transport spaces between the pair of movable transport rollers and the pairs of first transport rollers and between the pairs of first transport rollers. When the pair of movable transport rollers is moved in the axial direction, at least one of the pairs of first transport rollers is displaced in a direction to widen the transport space.
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