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公开(公告)号：US20190300320A1
公开(公告)日：2019-10-03
申请号：US16359205
申请日：2019-03-20
发明人： Masami FUCHI , Masayuki KAKUTA , Sachio IZUMICHI , Seiji OKADA , Risa HIBINO
摘要： A sheet conveyance unit includes a sheet inlet port, an inlet guide, and a guide switching mechanism. The inlet guide has an upper guide and a lower guide below the upper guide. The guide switching mechanism switches a position of the inlet guide between a conveyance position at which the upper guide and the lower guide face each other with a first distance and a separation position at which the upper guide and the lower guide are spaced from each other by a second distance greater than the first distance. To connect the sheet conveyance unit to the sheet discharge unit, the inlet guide is disposed to the separation position before the discharge guide is inserted between the upper guide and the lower guide, and is disposed to the conveyance position after the discharge guide is inserted between the upper guide and the lower guide.
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公开(公告)号：US20210284478A1
公开(公告)日：2021-09-16
申请号：US17197299
申请日：2021-03-10
发明人： Sachio IZUMICHI , Takuya NISHIMURA , Yasunori UENO
摘要： A sheet conveying device includes a sheet conveying passage, an upper conveying guide provided in the sheet conveying passage and facing the upper surface of a sheet, a lower conveying guide facing the lower surface of the sheet, a conveying member conveying the sheet along the sheet conveying passage, a sheet stack tray arranged above the upper conveying guide. The upper conveying guide is swingable up and down, with one end part of it in the sheet conveying direction or in the sheet width direction perpendicular to the sheet conveying direction serving as a pivot shaft. The sheet stack tray has a movable part making contact with the upper conveying guide at least when it swings, and the movable part is movable between a sheet receiving position where it forms a sheet stack surface and a retracted position where it has swung upward from the sheet receiving position.
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公开(公告)号：US20210155016A1
公开(公告)日：2021-05-27
申请号：US17170609
申请日：2021-02-08
发明人： Masayuki KAKUTA , Masami FUCHI , Sachio IZUMICHI , Seiji OKADA , Risa HIBINO
摘要： A sheet conveyance device 10 includes a first conveyance path 12a having a linear portion 121 along which a sheet is to be linearly conveyed, a second conveyance path 12b branched from the linear portion 121 and a branch member 30 which is to be set selectively to a first position for guiding the sheet to a downstream side of the first conveyance path 12a or a second position for guiding the sheet to the second conveyance path 12b. The branch member 30 is made up of a resinous guide body 31 having a first guide surface 31a for guiding the sheet to a downstream side of the first conveyance path 12a, and a metallic guide plate 35. A second guide surface 35a for guiding the sheet to the second conveyance path 12b is formed of the resinous guide body 31 and the metallic guide plate 35.
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公开(公告)号：US20200371466A1
公开(公告)日：2020-11-26
申请号：US16880468
申请日：2020-05-21
发明人： Sachio IZUMICHI , Takuya NISHIMURA
摘要： A sheet conveyance device includes a sheet receiving part, a first discharge part, a sheet conveyance path, an escape conveyance path, a branch guide, an escape tray, a second discharge part, and a first sheet detection part. When a device failure occurs, the branch guide switches the conveyance direction such that the sheet remaining on the sheet conveyance path is discharged on the escape tray by the second discharge part, through the escape conveyance path sequentially. Then, the second discharge part stops a discharging of the sheet in a state where the sheet remains in the second discharge part when the sheet is a last sheet to be conveyed to the escape tray. Then, a receiving of a new sheet to the sheet receiving part from the image forming apparatus is inhibited while the first sheet detection part detects the last sheet.
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公开(公告)号：US20160251181A1
公开(公告)日：2016-09-01
申请号：US15047101
申请日：2016-02-18
发明人： Sachio IZUMICHI
CPC分类号： B65H5/36 , B65H5/062 , B65H29/125 , B65H29/58 , B65H31/24 , B65H85/00 , B65H2301/3331 , B65H2301/33312 , B65H2402/5152 , B65H2404/1521 , B65H2404/513 , B65H2404/54 , B65H2404/6111 , B65H2404/63 , B65H2405/3311 , B65H2601/324 , B65H2801/06 , G03G15/234 , G03G15/6529 , G03G2215/00675
摘要： A sheet conveying device includes a switchback unit, a first conveying path, a second conveying path, a switching member, and a convey roller. The first conveying path conveys a sheet to the switchback unit. The second conveying path receives the sheet after the conveying direction is switched by the switchback unit. The switching member rotates about a rotation fulcrum axis extending in a sheet width direction so as to switch between a first attitude for guiding the sheet from the first conveying path to the switchback unit and a second attitude for guiding the sheet from the switchback unit to the second conveying path. The convey roller includes a rotation shaft disposed on the same axis as the rotation fulcrum axis of the switching member and has an outer circumference surface protruding more than a sheet guiding surface of the switching member.
摘要翻译： 片材输送装置包括回转单元，第一输送路径，第二输送路径，切换构件和输送辊。 第一输送路径将纸张传送到回转单元。 第二输送路径在通过转向单元切换输送方向之后接收纸张。 切换构件围绕在纸张宽度方向上延伸的旋转支点轴线旋转，以便在用于将纸张从第一输送路径引导回转单元的第一姿势和用于将纸张从转向单元引导到第二姿态之间切换 第二输送路径。 输送辊包括设置在与切换构件的旋转支点轴线相同的轴线上的旋转轴，并且具有比切换构件的片材引导表面突出的外周表面。
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公开(公告)号：US20240319637A1
公开(公告)日：2024-09-26
申请号：US18604675
申请日：2024-03-14
发明人： Sachio IZUMICHI , Masayuki KAKUTA , Takuro MORITA
CPC分类号： G03G15/2028 , G03G15/5054
摘要： An image forming apparatus includes an image forming portion that forms a toner image on an image carrier, a transfer portion, a fixing portion, a discharge portion, a pair of conveyance rollers, a sheet conveyance passage, a duplex conveyance passage, and a side cover. The side cover forms the outer surface of the duplex conveyance passage. In a manner coordinated with the opening of the side cover, one of the pair of conveyance rollers moves in a direction away from the other of the pair of conveyance rollers to open part of the sheet conveyance passage from the pair of conveyance rollers to the discharge portion.
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公开(公告)号：US20200317460A1
公开(公告)日：2020-10-08
申请号：US16840056
申请日：2020-04-03
发明人： Masayuki KAKUTA , Sachio IZUMICHI , Risa HIBINO
摘要： A sheet conveying apparatus includes a sheet conveying path, conveying members, a switching unit, a receiving unit, and a control unit. The sheet conveying path includes a first conveying path and a second conveying path having a conveying load for a sheet larger than the first conveying path. The switching unit selectively switches the sheet conveying path between the first conveying path and the second conveying path. The control unit determines whether the sheets are first sheets or second sheets thicker than the first sheets, based on sheet thickness information received by the receiving unit. If the sheets are the first sheets, the switching unit switches the sheet conveying path between the first conveying path and the second conveying path alternately. If the sheets are the second sheets, the switching unit switches to fix the sheet conveying path to the first conveying path.
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公开(公告)号：US20200071105A1
公开(公告)日：2020-03-05
申请号：US16559437
申请日：2019-09-03
发明人： Seiji OKADA , Masami FUCHI , Sachio IZUMICHI , Masayuki KAKUTA , Risa HIBINO
摘要： A sheet conveying device includes a correcting unit. The correcting unit corrects displacement of a sheet conveyed from an upstream side conveying path, and conveys the sheet to a downstream side conveying path. The correcting unit includes a first conveying part conveying the sheet, a first moving part moving a first frame supporting the first conveying part and a detecting part detecting a side end edge of the sheet at a reference position without displacement. The first conveying part stops conveyance of the sheet when a leading end of the sheet reaches the detecting part. While the driving of the first conveying part is stopped, the first moving part moves the first frame to move the sheet, and stops movement of the first frame, when detection result of the detecting part is changed, to position the side end edge to the reference position to correct displacement of the sheet.
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公开(公告)号：US20200039249A1
公开(公告)日：2020-02-06
申请号：US16510659
申请日：2019-07-12
发明人： Masayuki KAKUTA , Masami FUCHI , Sachio IZUMICHI , Seiji OKADA , Risa HIBINO
摘要： A sheet conveyance device 10 includes a first conveyance path 12a having a linear portion 121 along which a sheet is to be linearly conveyed, a second conveyance path 12b branched from the linear portion 121 and a branch member 30 which is to be set selectively to a first position for guiding the sheet to a downstream side of the first conveyance path 12a or a second position for guiding the sheet to the second conveyance path 12b. The branch member 30 is made up of a resinous guide body 31 having a first guide surface 31a for guiding the sheet to a downstream side of the first conveyance path 12a, and a metallic guide plate 35. A second guide surface 35a for guiding the sheet to the second conveyance path 12b is formed of the resinous guide body 31 and the metallic guide plate 35.
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公开(公告)号：US20170305702A1
公开(公告)日：2017-10-26
申请号：US15490404
申请日：2017-04-18
发明人： Terumitsu NOSO , Sachio IZUMICHI
CPC分类号： B65H31/02 , B65H29/52 , B65H29/70 , B65H31/26 , B65H2301/4212 , B65H2301/51214 , B65H2301/5122 , B65H2402/10 , B65H2404/61 , B65H2405/1111 , B65H2405/1113 , B65H2405/1115 , B65H2405/11151 , B65H2405/31 , B65H2801/06 , B65H2801/27
摘要： A sheet stacking tray includes a first stacking portion, a second stacking portion, and a base portion. In a sheet widthwise direction perpendicular to the sheet discharge direction, the first stacking portion includes a first sheet stacking surface having a first stacking width within a range from one half of a sheet width of a maximum-size sheet to be discharged up to the sheet width of the maximum-size sheet. The second stacking portion includes a second sheet stacking surface having a second stacking width smaller than the first stacking width. A border between the first stacking portion and the second stacking portion lies on a discharge-direction upstream side of a contact point where a leading end portion of the maximum-size sheet comes into contact with the sheet stacking part while the sheet is discharged.
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