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公开(公告)号：US12060242B2
公开(公告)日：2024-08-13
申请号：US17497769
申请日：2021-10-08
发明人： Tomoya Tateishi , Jumpei Nitta
CPC分类号： B65H3/0607 , B65H3/0684 , G03G15/6529
摘要： A sheet feeding device includes a door movable between an opened position and a closed position relative to an apparatus body, a stacking portion for a sheet, a cover portion configured to be situated at a first position when the door is situated at the opened position and to be situated at a second position when the door is situated at the closed position, and a moving unit including a feeding roller and a moving member supporting the feeding roller. The moving member is movable with respect to the stacking portion in a first direction in which the feeding roller comes close to the stacking portion and in a second direction which is opposite to the first direction. In a state in which the cover portion is situated at the first position, the moving unit is situated between the cover portion and the door.
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公开(公告)号：US12006177B2
公开(公告)日：2024-06-11
申请号：US17450946
申请日：2021-10-14
申请人： PFU LIMITED
发明人： Shinya Orita
CPC分类号： B65H3/0607 , B65H3/0623 , B65H3/66 , B65H2402/441
摘要： A medium conveying apparatus includes medium conveying apparatus includes a housing including a locking portion, a first supporting portion and a second supporting portion, a feed roller, a separation roller located to face the feed roller, and a guide mechanism including a locked portion locked with the locking portion, a first shaft portion supported by the first supporting portion, a second shaft portion supported by the second supporting portion, and a conveyance guide portion to regulate a medium fed between the feed roller and the separation roller. The guide mechanism is swingably supported by the housing about the first shaft portion in a state where the locked portion is locked with the locking portion. The guide mechanism is swingably supported by the housing about the second shaft portion in a state where a locking of the locking portion and the locked portion is released.
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公开(公告)号：US11827488B2
公开(公告)日：2023-11-28
申请号：US17503403
申请日：2021-10-18
发明人： Wataru Murata
CPC分类号： B65H7/20 , B65H3/0607 , B65H3/0684 , H04N1/00602 , H04N1/00615 , H04N1/00649
摘要： The rotation of a lifting and lowering plate 56 is controlled such that, in a case where the height of the sheet loaded in a manual feed tray 50 is maximum, a feed roller 51 abuts the sheet at a first abutment position at a first moving velocity slower than a second moving velocity at a position upstream in the movement direction of the feed roller 51 from the first abutment position, and, in a case where the height of the sheet loaded in the manual feed tray 50 is minimum, the feed roller 51 abuts the sheet at a second abutment position at a third moving velocity slower than the first moving velocity at the first abutment position.
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公开(公告)号：US20190193972A1
公开(公告)日：2019-06-27
申请号：US16232798
申请日：2018-12-26
发明人： Tokujiro OKUNO , Hiromichi KITSUKI
CPC分类号： B65H9/002 , B65H3/0607 , B65H5/06
摘要： An image reading apparatus includes a feeding roller that includes a first roller and a second roller provided at an interval in a width direction intersecting a medium feeding direction, and feeds a sheet from a placing section; and a skew detection section that detects skew of the sheet fed from the feeding roller. Skew is corrected by giving a difference between a rotation speed of the first roller and a rotation speed of the second roller with respect to at least one of the relevant sheet detected by the skew detection section and subsequent sheets fed following the relevant sheet based on a skew amount in the sheet.
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5.发明申请公开(公告)号：US20180312353A1
公开(公告)日：2018-11-01
申请号：US15963125
申请日：2018-04-26
发明人： Hiroaki Takai
CPC分类号： B65H3/0607 , B65H1/08 , B65H3/0676 , B65H3/5215 , B65H5/062 , B65H7/06 , B65H7/14 , B65H7/18 , B65H2404/193 , B65H2511/33 , B65H2511/417 , B65H2513/40 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： A paper feeder includes a lift plate, a pickup roller, a feed roller, a retard roller, a rotation-count detection sensor, and a control unit. The rotation-count detection sensor outputs a rotation-count detection signal. The rotation-count detection signal indicates a rotation count of the retard roller. The control unit detects the rotation count of the retard roller based on the rotation-count detection signal. The lift plate separates from the pickup roller before the control unit detects the rotation count of the retard roller. The feed roller is driven when the control unit detects the rotation count of the retard roller. The retard roller is in abutting contact with the feed roller when the control unit detects the rotation count of the retard roller. The control unit determines whether replacement of the retard roller is necessary or not, based on the detected rotation count of the retard roller.
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公开(公告)号：US20180239996A1
公开(公告)日：2018-08-23
申请号：US15902866
申请日：2018-02-22
发明人： Haruki MIYASAKA , Narihiro OKI , Shinji KANEMARU
CPC分类号： G06K15/16 , B65H3/0607 , B65H3/5215 , B65H3/565 , B65H5/06 , B65H5/062 , B65H85/00 , B65H2402/32 , B65H2402/441 , B65H2402/46 , B65H2404/142 , B65H2404/144 , B65H2404/1531 , B65H2404/6111 , B65H2601/523 , B65H2801/12 , H04N1/00602 , H04N1/121
摘要： A recording apparatus includes a feeding roller, a rear feeding unit being provided on a rear side of the apparatus, and a medium reversing unit provided below a medium support section and including a reversing roller. At least a part of a rear side of the rear feeding unit forms a medium transport path in which the medium is transported by the reversing roller, the rear feeding unit includes a driven roller configured to nip the medium with the reversing roller therebetween, and at least a part of the driven roller is located in a roller accommodating space formed on a rear side of the medium support section.
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7.发明申请公开(公告)号：US20170225916A1
公开(公告)日：2017-08-10
申请号：US15416381
申请日：2017-01-26
发明人： Terumi Tsuda , Takefusa Ogata , Hiroshi Kusuda
IPC分类号： B65H3/06
CPC分类号： B65H3/0638 , B65H3/0607 , B65H3/5215 , B65H3/5261 , B65H2401/10 , B65H2401/115 , B65H2404/11 , B65H2404/1122 , B65H2404/117 , B65H2404/187
摘要： A retarding roller (a roller) is formed of a synthetic rubber (an industrial rubber material) such as ethylene propylene diene M-class rubber (EPDM) or polyurethane, or alternatively, silicone. The roller core of the retarding roller is cylindrical. M arc-shaped long holes (where M is an integer greater than or equal to 4) are formed in each of N layers (where N is an integer greater than or equal to 2) from a first layer (an outermost layer) to an Nth layer (an innermost layer) which are circular and concentric to a center axial line. In each layer, long holes are formed such that spokes in adjacent layers (an ith layer and an i+1th layer, where i is an integer from 1 to N−1) do not overlap in the circumferential direction.
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公开(公告)号：US09725261B2
公开(公告)日：2017-08-08
申请号：US15064978
申请日：2016-03-09
发明人： Keisuke Mizuguchi
CPC分类号： B65H1/12 , B65H1/266 , B65H3/0607 , B65H3/0669 , B65H3/565 , B65H2403/512 , B65H2403/514 , B65H2403/5332 , B65H2405/11171 , B65H2601/322 , G03G15/6502 , G03G15/6511
摘要： A conveyance unit includes a cassette removably attached to an apparatus body and a conveyance interlocked part provided in the apparatus body. The cassette includes a sheet storage part for storing a sheet, a lift plate liftably provided between a lowered position and a raised position and a biasing member for biasing the sheet to contact with a pickup roller. The conveyance interlocked part includes a lever for engaging with the lift plate when the cassette is attached to the apparatus body and being liftable together with the lift plate, a pressing mechanism for pressing the lever downward, and a support member provided between the apparatus body and the lever so as to suppress a drop of the lever disengaged from the lift plate when the cassette is detached from the apparatus body.
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公开(公告)号：US20170217708A1
公开(公告)日：2017-08-03
申请号：US15419456
申请日：2017-01-30
申请人： Koji SATAKE
发明人： Koji SATAKE
CPC分类号： B65H3/5261 , B65H1/14 , B65H3/06 , B65H3/0607 , B65H3/0669 , B65H3/0684 , B65H5/062 , B65H7/06 , B65H7/12 , B65H7/18 , B65H2403/21 , B65H2403/42 , B65H2403/72 , B65H2403/942 , B65H2404/1341 , B65H2405/121 , B65H2405/15 , B65H2511/20 , B65H2511/51 , B65H2511/524 , B65H2511/528 , B65H2513/41 , B65H2553/82 , G03G15/6511 , G03G2215/00396 , G03G2215/004 , B65H2220/01 , B65H2220/03 , B65H2220/02
摘要： A sheet feeding apparatus is provided with a pick-up roller that contacts sheets loaded on a load tray to pick up, a paper feed roller that feeds a picked-up sheet, and a separation roller brought into press-contact with the paper feed roller to separate the sheet, where the sheets are separated from the pick-up roller, the separation roller is rotated in a sheet return direction different from a sheet feed direction, and subsequently, the paper feed roller is separated from the separation roller. It is possible to prevent damage to a sheet and sheet jam from occurring in pulling out the load tray loaded with sheets to the front side.
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公开(公告)号：US09633529B2
公开(公告)日：2017-04-25
申请号：US14193787
申请日：2014-02-28
申请人： LG CNS CO., LTD.
发明人： Jin Oh You
CPC分类号： G07F19/20 , B65H1/04 , B65H3/06 , B65H3/0607 , B65H3/063 , B65H3/0684 , B65H3/44 , B65H2405/111 , B65H2405/332 , B65H2701/1912 , G07D11/0006 , G07D11/0012 , G07D11/0021 , G07D11/0024
摘要： Provided is a pick-up apparatus. The medium pick-up apparatus comprise a support plate to support a medium, a pick-up roller unit comprising a pick-up roller for picking up the medium, a detection unit to detect the number of medium that is picked up by the pick-up roller, and a pick-up roller moving device to move the pick-up roller unit to space the pick-up roller unit from the medium supported by the support plate when the pick-up of predetermined number of medium is detected by the detection unit.
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