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公开(公告)号：US20240246785A1
公开(公告)日：2024-07-25
申请号：US18415724
申请日：2024-01-18
发明人： Takuya NISHIMURA , Seiichi SHIRASAKI , Yasunori UENO , Takehiko OKADA , Keisuke EGAWA , Yusuke TAKANO , Terumitsu NOSO
CPC分类号： B65H9/101 , B65H39/10 , B65H2301/4222 , B65H2801/27
摘要： When performing an alignment process on a sheet loaded on the processing tray in a state where a front end of the sheet is protruded from a discharge outlet above a discharge tray, the control unit performs a front end alignment process in which a pair of discharge tray cursors sandwich the front end of the sheet protruded above the discharge tray in the width direction, and a rear end alignment process in which the pair of processing tray cursors sandwich a rear end of the sheet on the processing tray in the width direction.
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公开(公告)号：US20170305701A1
公开(公告)日：2017-10-26
申请号：US15489412
申请日：2017-04-17
发明人： Takashi KOTANI , Yasunori UENO
IPC分类号： B65H31/10
CPC分类号： B65H31/10 , B65H31/18 , B65H43/02 , B65H43/04 , B65H43/06 , B65H43/08 , B65H2301/4213 , B65H2405/11151 , B65H2511/20 , B65H2511/22 , B65H2511/24 , B65H2511/30 , B65H2513/40 , B65H2513/53 , B65H2551/20 , B65H2801/27 , B65H2220/01 , B65H2220/03 , B65H2220/02 , B65H2220/11
摘要： When a discharge count has exceeded a specified number of sheets, a sheet discharge device executes a process of moving down a discharge tray by a specified quantity and thereafter moving up the discharge tray until a top-surface detection part outputs a top-surface detection signal, while clocking a move-up time lasting from a move-up start of the discharge tray until output of the top-surface detection signal by the top-surface detection part. When the move-up time is equal to or less than a reference time, the sheet discharge device makes a next sheet discharged while the top-surface detection part outputs the top-surface detection signal; on the other hand, when the move-up time is more than the reference time, the sheet discharge device executes a correction process of moving down the discharge tray before making the next sheet discharged.
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公开(公告)号：US20240253371A1
公开(公告)日：2024-08-01
申请号：US18417353
申请日：2024-01-19
发明人： Seiichi SHIRASAKI , Yasunori UENO , Takehiko OKADA , Keisuke EGAWA , Yusuke TAKANO , Takuya NISHIMURA , Terumitsu NOSO
CPC分类号： B41J13/0036 , B41J11/0015 , B41J11/003 , B41J11/0035 , B41J13/0054 , B41J13/03 , B41J13/106 , B65H31/10
摘要： When discharging a sheet onto a discharge tray, a control unit sets position of the discharge tray in an up and down direction to a predetermined discharge position. When loading the sheet onto a processing tray, the control unit sets the position of the discharge tray in the up and down direction to a loading position lower than the discharge position.
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公开(公告)号：US20240246344A1
公开(公告)日：2024-07-25
申请号：US18413771
申请日：2024-01-16
发明人： Seiichi SHIRASAKI , Terumitsu NOSO , Yasunori UENO , Takehiko OKADA , Keisuke EGAWA , Yusuke TAKANO , Takuya NISHIMURA
CPC分类号： B41J3/44 , B65H29/20 , B65H29/52 , B65H2401/15
摘要： A sheet transport device includes a delivery roller and a transport route. The transport route includes an upper guide member and a lower guide member. The lower guide member includes a first guide rib, a first corrugation member, and a first elastic member. The first elastic member supports an end portion of the first corrugation member on a side of the delivery roller, such that the end portion protrudes ahead of the first guide rib toward the upper guide member, with respect to the other end portion. The upper guide member includes a second guide rib, a second corrugation member, and a second elastic member. The second elastic member supports an end portion of the second corrugation member on the side of the delivery roller, such that the end portion protrudes ahead of the second guide rib toward the lower guide member, with respect to the other end portion.
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公开(公告)号：US20230356969A1
公开(公告)日：2023-11-09
申请号：US18248408
申请日：2021-10-06
发明人： Takuya NISHIMURA , Yasunori UENO
CPC分类号： B65H5/062 , B65H5/36 , B65H2801/27 , B65H2801/06 , B65H2301/4455 , B65H2402/31
摘要： A sheet conveyance apparatus (26) includes: a first conveyance unit (70a), a second conveyance unit (70b) disposed below the first conveyance unit (70a) and including a second upper conveyance guide (75) and a second lower conveyance guide (77), and an apparatus main body, wherein the second conveyance unit (70b) can be drawn out to a front side of the apparatus main body along a front-and-rear direction perpendicular to a sheet conveyance direction, the second upper conveyance guide (75) includes: a guide main body part (75b) turnable upward and downward with respect to the apparatus main body with a rear end edge as a turning support shaft and a front end edge as a turning end; and a movable guide part (75c) coupled to the turning end of the guide main body part (75b) via a hinge part (75d) in a turnable manner.
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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：US20240239631A1
公开(公告)日：2024-07-18
申请号：US18409451
申请日：2024-01-10
发明人： Terumitsu NOSO , Keisuke EGAWA , Yasunori UENO , Seiichi SHIRASAKI , Takehiko OKADA , Yusuke TAKANO , Takuya NISHIMURA
CPC分类号： B65H31/26 , B41J13/0036 , B41J13/03 , B65H2301/51256 , B65H2406/10
摘要： The sheet discharge device includes a sheet discharge port, a discharge member, a sheet discharge tray, and a blower mechanism. The sheets discharged through the sheet discharge port by the discharge member are stacked on the sheet discharge tray. The blower mechanism includes an air blow hole for blowing off an air flow from upward to the sheets discharged through the sheet discharge port, and a blower device coupled to the air blow hole to generate the air flow. The air blow hole, being provided upward of the sheet discharge port, is placed in at least one pair or more on both sides of a center of the sheet in its widthwise direction perpendicular to the discharge direction, and the air flow derived from the air blow hole is blown off diagonally downward from outside to inside of the widthwise direction.
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8.发明公开公开(公告)号：US20240239630A1
公开(公告)日：2024-07-18
申请号：US18409260
申请日：2024-01-10
发明人： Seiichi SHIRASAKI , Yasunori UENO , Takehiko OKADA , Keisuke EGAWA , Yusuke TAKANO , Terumitsu NOSO , Takuya NISHIMURA
CPC分类号： B65H31/24 , B65H31/26 , B65H37/04 , B65H2801/27
摘要： The sheet postprocessing device includes a conveyance member, a processing tray, a processing part, a discharge member, a sheet discharge tray, a support member, a drive mechanism, and a controller. The sheet discharge tray is placed on a downstream side of the processing tray in a discharge direction, and the sheet discharged from the processing tray is to be stacked. The support member is movable by the drive mechanism between a projective position in which the support member is projected from a downstream-side end portion of the processing tray in the discharge direction, to above the sheet discharge tray so as to support part of the sheet carried in onto the processing tray, and a retractive position in which the support member has retracted to an upstream side of the discharge member in the discharge direction. The controller is enabled to adjust the projective position of the support member.
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公开(公告)号：US20240228216A1
公开(公告)日：2024-07-11
申请号：US18403107
申请日：2024-01-03
发明人： Terumitsu NOSO , Keisuke EGAWA , Yasunori UENO , Seiichi SHIRASAKI , Takehiko OKADA , Yusuke TAKANO , Takuya NISHIMURA
CPC分类号： B65H31/34 , B65H31/10 , B65H2301/163 , B65H2301/51611 , B65H2801/06 , B65H2801/24
摘要： A sheet post-processing device includes a conveying member, a processing tray, a processing section, a reference plate, an alignment member, a holder drive unit, and a control unit. The alignment member includes a paddle holder, and an alignment paddle having a paddle main body supported in a rotatable manner at the paddle holder, and a paddle part protruding from the paddle main body. The holder drive unit moves the alignment paddle in a reciprocating manner, between a reference position to separate the paddle part above a top sheet and an acting position to allow the paddle part to contact with the top sheet. The control unit sets a second acting position when the paddle part contacts with the sheet at n1-th time, to be higher than a first acting position when the paddle part contacts with the sheet at m1-th time, where 1≤m1
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公开(公告)号：US20230264921A1
公开(公告)日：2023-08-24
申请号：US18111547
申请日：2023-02-18
发明人： Keisuke EGAWA , Terumitsu NOSO , Yasunori UENO
CPC分类号： B65H45/147 , B65H45/164 , B65H5/025 , B65H7/20 , B65H2511/224 , B65H2801/27
摘要： A postprocessing device performs postprocessing on sheets received from an image forming apparatus. The postprocessing device includes a pair of folding rollers, a folding blade, a transport device, a drive portion, and a drive controller. The drive controller controls the drive portion to match moving speed of a tip portion of the folding blade with moving speed of a circumferential surface of the folding rollers, at a time point that the sheaf of the sheets makes contact with the circumferential surface of the folding rollers, when the image forming apparatus forms the image by ink jet printing, and to match the moving speed of the tip portion of the folding blade with the moving speed of the circumferential surface of the folding rollers, at a time point that the sheaf of the sheets reaches the nip region between the folding rollers.
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