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公开(公告)号：US12122636B2
公开(公告)日：2024-10-22
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 , B65H2301/331 , B65H2301/333 , B65H2404/1424 , 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 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：US11347173B2
公开(公告)日：2022-05-31
申请号：US15916442
申请日：2018-03-09
发明人： Yasunobu Goto , Yoichi Yamakawa , Shumpei Nozawa , Shuhei Kobori
摘要： A retracting device includes a housing that is disposed in or on an accommodating unit to be pulled out from an apparatus including a protrusion and that has a groove extending from a first position to a second position and having an opening formed at the first position, the first position corresponding to a position of the protrusion when the accommodating unit moving in a direction in which the accommodating unit is accommodated into the apparatus reaches a predetermined position and the second position corresponding to a position of the protrusion when the accommodating unit is accommodated in the apparatus, and a movable unit that is disposed in the housing and that moves, when the accommodating unit reaches the predetermined position and the protrusion enters the opening, while holding the protrusion to cause the protrusion to move along the groove and with respect to the housing toward the second position.
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公开(公告)号：US11518636B2
公开(公告)日：2022-12-06
申请号：US16836936
申请日：2020-04-01
摘要： A sheet transport device includes a sheet storage unit that stores a sheet and that is disposed in a housing having a bottom plate such that a gap is provided between the sheet storage unit and the bottom plate, the gap extending horizontally; a sheet transport unit that feeds the sheet from the sheet storage unit and transports the fed sheet along a transport passage including a reversing transport path along which the sheet is transported downward and then upward to reverse the sheet front to back, the reversing transport path extending vertically and being connected to the gap; and a first gate unit that prevents passage of the sheet that has entered the reversing transport path when the sheet free falls and allows passage of the sheet when the sheet receives a sheet transport driving force from the sheet transport unit.
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公开(公告)号：US11433694B2
公开(公告)日：2022-09-06
申请号：US16842756
申请日：2020-04-07
摘要： A sheet tray includes a sheet storage unit that stores a sheet, the sheet storage unit being capable of being pulled out of a housing in a forward direction and pushed into the housing in a rearward direction to a position such that a gap is provided below the sheet storage unit; and a sheet moving portion fixed to the sheet storage unit, the sheet moving portion moving together with the sheet storage unit when the sheet storage unit is pulled out, thereby moving a sheet that has entered the gap in the forward direction.
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公开(公告)号：US12122635B2
公开(公告)日：2024-10-22
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 , B65H5/062 , B65H5/36 , G03G15/6529 , B65H29/60 , B65H2301/331 , B65H2301/333 , B65H2404/1424 , 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 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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公开(公告)号：US12116239B2
公开(公告)日：2024-10-15
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
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：US12066781B2
公开(公告)日：2024-08-20
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 , B65H2301/333 , B65H2301/361 , B65H2404/1424 , 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：US11292687B2
公开(公告)日：2022-04-05
申请号：US16836940
申请日：2020-04-01
摘要： An image forming apparatus includes a drawer unit, a sheet inverting unit, a sheet guide plate, and a projection. The drawer unit is drawable from an apparatus body. The sheet inverting unit is disposed in the apparatus body, and pulls a sheet into a lower portion of the drawer unit to invert the sheet. The sheet guide plate is disposed on the sheet inverting unit to face the drawer unit, and includes a recess extending in a pull-out direction of the drawer unit that crosses a direction in which the sheet is transported. The projection protrudes toward the recess from a portion of a lower surface of the drawer unit facing the sheet guide plate near a pull-out start point in the pull-out direction and on a rear of a transport area of the sheet.
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