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1. 发明授权

US07014186B2 Sheet feeder and image forming apparatus having the same 有权
公开(公告)号：US07014186B2
公开(公告)日：2006-03-21
申请号：US10396320
申请日：2003-03-26
申请人： Yukio Shiohara , Koji Takito , Hiroshi Suzuki
发明人： Yukio Shiohara , Koji Takito , Hiroshi Suzuki
IPC分类号： B65H3/52
CPC分类号： B65H3/46 , B65H3/06 , B65H2301/423245 , B65H2301/42328 , B65H2404/531
摘要： An inclined separating surface includes an upwardly curved surface that is gradually lowered near the ends, from a middle portion in a sheet width direction as a top. The inclined separating surface holds leading edges of sheets stacked on a sheet holder. At the middle of the inclined separating surface, a sheet separating unit, which extends in a sheet advance direction, is provided so as to protrude from and retract into the inclined separating surface. With this structure, the leading edges of side areas of the sheets do no contact the inclined separating surface before the leading edges of middle areas of the sheets contact the inclined separating surface. Consequently, the leading edges of the middle areas of the sheets are surely applied with separating action by the sheet separating unit.

2. 发明授权

US06786481B2 Sheet feeding device 有权
标题翻译：送纸装置
公开(公告)号：US06786481B2
公开(公告)日：2004-09-07
申请号：US10225499
申请日：2002-08-22
申请人： Takamitsu Kawai , Koji Takito , Yukio Shiohara , Takatoshi Takemoto , Hiroshi Suzuki , Tetsuya Ouchi
发明人： Takamitsu Kawai , Koji Takito , Yukio Shiohara , Takatoshi Takemoto , Hiroshi Suzuki , Tetsuya Ouchi
IPC分类号： B65H306
CPC分类号： B65H3/0661 , B65H7/18 , B65H2511/13 , B65H2511/51 , B65H2511/515 , B65H2511/52 , B65H2513/10 , B65H2513/108 , B65H2513/512 , B65H2513/53 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： There is provided a sheet feeding device, which is provided with a paper supply member which feeds a sheet of paper on the top of stack of paper, the paper supply member being actuated by an actuator. The sheet feeding device further provided with a control system which controls the paper supply member, the control system having a stable sheet feeding operation mode in which the control system drives the paper supply member for a first time period initially, then stops the paper supply member after the first time period terminates, and then drives the paper supply member for a second time period.
摘要翻译：提供了一种供纸装置，该纸张供给装置设置有供纸构件，该供纸构件将纸张馈送在纸堆的顶部上，供纸构件由致动器致动。该送纸装置还设置有控制供纸构件的控制系统，该控制系统具有稳定的送纸操作模式，其中控制系统最初驱动供纸构件，然后停止供纸构件在第一时间段结束之后，然后驱动供纸构件第二时间段。

3. 发明授权

US07108257B2 Sheet-supply device 有权
公开(公告)号：US07108257B2
公开(公告)日：2006-09-19
申请号：US10394199
申请日：2003-03-24
申请人： Yukio Shiohara , Takamitsu Kawai , Koji Takito
发明人： Yukio Shiohara , Takamitsu Kawai , Koji Takito
IPC分类号： B65H3/34 , B65H3/52
CPC分类号： B65H3/0661 , B65H3/56 , B65H2405/113 , B65H2405/1136 , B65H2405/141 , B65H2511/17 , B65H2511/30 , B65H2515/81 , B65H2220/11 , B65H2220/08 , B65H2220/02 , B65H2220/01
摘要： A sheet-supply device supplying sheets one at a time from a stack of sheets in a sheet feeding direction. The device includes a slanting plate on which a stack of sheets is mounted. A sheet feed roller is positioned above the slanting plate applying a force to an uppermost sheet in the stack to move the sheet in a sheet feed direction. A fixed separation plate is fixed at a downstream end portion of the slanting plate. The separation plate is formed with a slot in which a high friction separation member is disposed. The high friction separation member is held by a resilient support plate 39 supported by the fixed separation plate. The resilient support plate has a comb like slats on which the high friction separation member is held. In a normal condition, the high friction separation member protrudes from the slot toward the leading edges of the sheets. When a leading edge of the sheet presses the high friction separation member by the rotation of the sheet feed roller, and the sheet has a predetermined stiffness, a part of the high friction separation member sinks into the slot by the deformation of the comb like slats.

4. 发明授权

US10246280B2 Sheet feed devices and image recording apparatus comprising such sheet feed devices 有权
公开(公告)号：US10246280B2
公开(公告)日：2019-04-02
申请号：US15386581
申请日：2016-12-21
申请人： Tetsuo Asada , Yukio Shiohara
发明人： Tetsuo Asada , Yukio Shiohara
IPC分类号： B65H3/34 , B65H1/04 , B65H1/12 , B65H3/24 , B65H5/16 , B65H3/56 , B65H3/26 , B65H1/26 , B65H5/06 , B65H9/00 , B65H29/54 , B65H37/00
摘要： A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction.

5. 发明授权

US08714540B2 Sheet feed device and image recording apparatus having such sheet feed device 有权
标题翻译：具有这种供纸装置的送纸装置和图像记录装置
公开(公告)号：US08714540B2
公开(公告)日：2014-05-06
申请号：US13429067
申请日：2012-03-23
申请人： Yukio Shiohara , Tetsuo Asada , Yuji Koga
发明人： Yukio Shiohara , Tetsuo Asada , Yuji Koga
IPC分类号： B65H3/44
CPC分类号： B65H3/44 , B41J11/485 , B41J13/103 , B65H1/04 , B65H1/22 , B65H1/266 , B65H1/28 , B65H3/0669 , B65H3/66 , B65H2301/422548 , B65H2405/32 , B65H2405/332 , B65H2601/322 , B65H2701/1131 , G06K15/102 , H04N1/0057 , H04N1/00602 , H04N1/00604 , H04N1/00623 , H04N2201/0094
摘要： An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray.
摘要翻译：一种图像记录装置，包括具有用于保持片材的第一保持部分的第一托盘，设置在第一托盘上方的第二托盘，并且包括用于保持片材的第二保持部分;片材进给器，其从第一托盘中的一个托盘和第二托盘在片材进给方向上，记录单元，其将图像记录在由片材进给器馈送的片材上;以及排出辊，其排出由记录单元记录图像的片材。第二托盘的第二保持部分在第一托盘的第一保持部分的上方移动。第二托盘还包括用于接收由排出辊排出的片材的排出片接收部分。包括排出片接收部的第二托盘相对于第一托盘枢转。

6. 发明授权

US08655227B2 Opening and closing apparatus 有权
标题翻译：开闭装置
公开(公告)号：US08655227B2
公开(公告)日：2014-02-18
申请号：US13072739
申请日：2011-03-27
申请人： Yoichiro Nishimura , Kumiko Kuriki , Yukio Shiohara , Kazuhito Ishida , Masahisa Kato , Tomohisa Higuchi
发明人： Yoichiro Nishimura , Kumiko Kuriki , Yukio Shiohara , Kazuhito Ishida , Masahisa Kato , Tomohisa Higuchi
IPC分类号： G03G15/00
CPC分类号： H04N1/00519 , E05C17/00 , H04N1/00554 , H04N1/00557
摘要： The opening and closing apparatus includes a lower unit case, an upper unit case, a hinge, a lower guide member, an upper guide member and an opening/closing linking unit. The upper unit case is configured to open and close with respect to the lower unit case. The lower guide member is disposed in the lower unit case, and the upper guide member is disposed in the upper unit case. The opening/closing linking unit includes a first rotating member, a second rotating member and a linking portion. As the upper unit case is closed, the opening/closing linking unit moves from the base end side toward the distal end side along the upper guide member and the lower guide member.
摘要翻译：开闭装置包括下单元壳体，上单元壳体，铰链，下引导构件，上引导构件和打开/关闭连接单元。上部单元壳体被配置为相对于下部单元壳体打开和关闭。下引导构件设置在下单元壳体中，上引导构件设置在上单元壳体中。开闭联动单元包括第一旋转构件，第二旋转构件和连接部。当上部单元壳体关闭时，开闭连接单元沿着上导向构件和下引导构件从基端侧向远端侧移动。

7. 发明授权

US07883285B2 Image recording apparatus 有权
标题翻译：图像记录装置
公开(公告)号：US07883285B2
公开(公告)日：2011-02-08
申请号：US11679623
申请日：2007-02-27
申请人： Tetsuo Asada , Yukio Shiohara
发明人： Tetsuo Asada , Yukio Shiohara
IPC分类号： B41J11/58 , B41J13/10
CPC分类号： G03G15/6508 , B41J13/103 , B65H1/266 , B65H3/06 , B65H3/44 , B65H31/02 , B65H2301/423245 , B65H2402/31 , B65H2405/332 , B65H2405/3322
摘要： An image recording apparatus includes a sheet-supply tray device, a sheet-supply roller and an image recording device. The sheet-supply tray device includes a first tray which accommodates a plurality of first recording media on a first tray surface and a second tray which is placed on the first tray and accommodates a plurality of second recording media on a second tray surface thereof. The second tray includes a base portion which is supported on the first tray and a pivotable portion whose state is changeable between a stacked state in which the pivotable portion is supported on the first tray.
摘要翻译：图像记录装置包括供纸托盘装置，供纸辊和图像记录装置。供纸托盘装置包括：第一托盘，其容纳第一托盘表面上的多个第一记录介质;第二托盘，其放置在第一托盘上，并在其第二托盘表面上容纳多个第二记录介质。第二托盘包括支撑在第一托盘上的基部和可枢转部分，其状态可在可枢转部分支撑在第一托盘上的堆叠状态之间改变。

8. 发明授权

US07883284B2 Image recording apparatus 有权
标题翻译：图像记录装置
公开(公告)号：US07883284B2
公开(公告)日：2011-02-08
申请号：US11678518
申请日：2007-02-23
申请人： Tetsuo Asada , Yukio Shiohara
发明人： Tetsuo Asada , Yukio Shiohara
IPC分类号： B41J11/58 , B65H1/26 , B65H1/28
CPC分类号： G03G15/6502 , B65H1/266 , B65H2405/115 , G03G2215/00388 , G03G2215/00447
摘要： An image recording apparatus, including a sheet-supply tray device which accommodates and holds a plurality of recording sheets and which supplies the recording sheets, one by one, in a sheet-supply direction; and an image recording device which records an image on each of the recording sheets supplied from the sheet-supply tray device. The sheet-supply tray device includes a first tray which accommodates and holds at least one first sheet of the plurality of recording sheets; a second tray which accommodates at least one second sheet of the plurality of recording sheets, and which selectively takes a stacked posture thereof in which the second tray is stacked on the first tray, and an opening posture thereof in which at least a portion of the second tray opens at least a portion of the first tray; and at least one dropping preventing cover which prevents the at least one second sheet from dropping out of the second tray in a state in which the second tray takes the opening posture thereof.
摘要翻译：一种图像记录装置，包括供纸托盘装置，其容纳并保持多个记录纸张，并且一张一张地在片材供应方向上提供记录纸张; 以及图像记录装置，其在从供纸托盘装置供应的每个记录纸上记录图像。供纸托盘装置包括容纳并保持多个记录纸的至少一个第一页的第一托盘; 第二托盘，其容纳多个记录片材的至少一个第二片材，并且其选择性地采取其中第二托盘堆叠在第一托盘上的堆叠姿势及其打开姿势，其中至少一部分第二托盘打开第一托盘的至少一部分; 以及至少一个防止在第二托盘采取其打开姿势的状态下至少一个第二片材从第二托盘中脱落的防滴盖。

9. 发明授权

US07584955B2 Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：US07584955B2
公开(公告)日：2009-09-08
申请号：US11669148
申请日：2007-01-30
申请人： Yukio Shiohara
发明人： Yukio Shiohara
IPC分类号： B65H1/00
CPC分类号： B65H3/56 , B65H1/266 , B65H2402/41 , B65H2402/46 , B65H2404/54 , B65H2405/1136 , B65H2405/31 , B65H2601/324 , B65H2601/326
摘要： An image forming device includes: a housing; and a sheet feeding cassette that stores a stack of sheets. The housing includes: a cassette accommodation portion that is provided at a lower part of the housing; an insertion slot from which the sheet feeding cassette is detachably inserted in the cassette accommodation portion in an insertion direction; a first support portion that is formed on a bottom part of the housing on a side near to the insertion slot; a second support portion that is formed on the bottom part of the housing on a side remote from the insertion slot; and an opening that is formed between the first support portion and the second support potion to expose the bottom face. The sheet feeding cassette includes a roller that is disposed at the bottom face of the sheet feeding cassette at a downstream side end in the insertion direction.
摘要翻译：图像形成装置包括：壳体; 以及存放一叠纸张的送纸盒。壳体包括：设置在壳体的下部的盒容纳部分; 插入槽，片材进给盒在插入方向上可拆卸地插入到盒容纳部分中; 第一支撑部，其形成在所述壳体的靠近所述插槽的一侧的底部; 第二支撑部，其形成在所述壳体的所述底部的远离所述插槽的一侧上; 以及形成在所述第一支撑部和所述第二支撑部之间的开口，以暴露所述底面。片材进给盒包括在插入方向的下游侧端设置在供纸盒的底面的辊。

10. 发明授权

US07568693B2 Image forming apparatus having supporting member that supports bottom portion of feeding tray 有权
标题翻译：图像形成装置具有支撑部件，该支撑部件支撑进料托盘的底部
公开(公告)号：US07568693B2
公开(公告)日：2009-08-04
申请号：US11670216
申请日：2007-02-01
申请人： Masatoshi Izuchi , Yukio Shiohara
发明人： Masatoshi Izuchi , Yukio Shiohara
IPC分类号： B65H1/00
CPC分类号： B65H1/04 , B65H3/06 , B65H2511/13 , B65H2515/34 , B65H2601/24 , B65H2220/01
摘要： A feeding tray is detachably mounted on a base member and includes a bottom portion. The bottom portion has a first side that is configured to hold a recording sheet and a second side opposite the first side. An image forming unit forms an image on the recording sheet. A feeding roller is configured to rotatingly contact the recording sheet held in the feeding tray, thereby feeding the recording sheet toward the image forming unit in a conveying direction. A roller arm has one end that rotatably supports the feeding roller and another end opposite the one end. The roller arm is configured to swing about the another end, thereby generating a pressing force for pressing the feeding roller against the recording sheet. A supporting member is provided at the second side of the bottom portion and is configured to support the bottom portion against the pressing force.
摘要翻译：馈送托盘可拆卸地安装在基座构件上并且包括底部。底部具有构造成保持记录片材的第一侧和与第一侧相对的第二侧面。图像形成单元在记录纸上形成图像。馈送辊构造成旋转地接触保持在馈送托盘中的记录片材，从而沿着传送方向将图像形成单元馈送到记录片材。辊臂具有可旋转地支撑进给辊的一端和与一端相对的另一端。辊臂构造成围绕另一端摆动，从而产生用于将进给辊压靠在记录纸上的按压力。支撑构件设置在底部的第二侧，并且构造成抵抗压力支撑底部。

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