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1. 发明申请

US20130300052A1 SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：纸张进纸器和图像形成装置同时进行
公开(公告)号：US20130300052A1
公开(公告)日：2013-11-14
申请号：US13946368
申请日：2013-07-19
申请人： Hajime NISHIDA , Manabu NONAKA , Yoshikuni ISHIKAWA
发明人： Hajime NISHIDA , Manabu NONAKA , Yoshikuni ISHIKAWA
IPC分类号： B65H3/18
CPC分类号： B65H3/18 , B65H3/047 , B65H7/00 , B65H2404/255 , B65H2511/414 , B65H2513/50 , B65H2515/31 , B65H2220/01 , B65H2220/02 , B65H2220/11 , B65H2220/03
摘要： A sheet feeder attracts an uppermost sheet of a sheet stack of a plurality of stacked sheets, and feeds the sheet in a sheet feeding direction. The sheet feeder includes an endless belt, a charging device, and a control device. The endless belt is made of a dielectric material, passes over upstream and downstream rollers, and is disposed above the sheet stack to face the sheet stack. The charging device applies an alternating voltage to an outer circumferential surface of the endless belt to form thereon alternating charge patterns. The control device separately controls the respective rotation states of the upstream and downstream rollers to make a sheet contact surface of the endless belt go slack in sheet attraction and make the sheet contact surface of the endless belt taut with tension into a substantially flat surface in sheet conveyance.
摘要翻译：纸张馈送器吸引多张堆叠纸张的纸张堆叠的最上面的纸张，并且以片材进给方向进给纸张。送纸器包括环形带，充电装置和控制装置。环形带由电介质材料制成，通过上游辊和下游辊，并且设置在纸叠上方以面对纸叠。充电装置向环形带的外周面施加交流电压，以在其上形成交替电荷模式。控制装置分别控制上游辊和下游辊的各自的旋转状态，使得环形带的片材接触表面在片材吸引中松弛，并使环形带的片材接触表面张紧地拉紧成片状的基本平坦的表面输送。

2. 发明申请

US20150166276A1 SHEET CONVEYOR AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
标题翻译：表格输送机和图像形成装置同时进行
公开(公告)号：US20150166276A1
公开(公告)日：2015-06-18
申请号：US14635594
申请日：2015-03-02
申请人： Yoshikuni ISHIKAWA , Manabu NONAKA
发明人： Yoshikuni ISHIKAWA , Manabu NONAKA
IPC分类号： B65H3/18 , B65H3/04 , B65H5/06
CPC分类号： B65H3/18 , B65H3/04 , B65H5/068 , B65H2403/41 , B65H2404/25 , B65H2404/255 , B65H2404/2693
摘要： A sheet conveyor incorporated in an image forming apparatus includes an attraction/separation unit including an attraction belt, a first tension roller, and a second tension roller, a support member to support the attraction/separation unit, a roller drive unit to rotate one of the first and second tension rollers, a charging member to uniformly charge a surface of the attraction belt, a mechanism to swing the attraction/separation unit to move the attraction belt reciprocally about the support member between a sheet attraction position and a sheet conveyance position being located farther from the sheet stack than the sheet attraction position, and a pressing member disposed inside a loop of the attraction belt to press the attraction belt at the sheet attraction position toward the sheet stack and separating from the attraction belt at the sheet conveyance position.
摘要翻译：包括在图像形成装置中的片材输送机包括吸引/分离单元，该吸引/分离单元包括吸引带，第一张力辊和第二张力辊，用于支撑吸引/分离单元的支撑构件，辊驱动单元，第一和第二张力辊，对吸引带的表面均匀充电的充电构件，使吸引/分离单元摆动以使吸引带在支撑构件周围往复移动的机构在片材吸引位置和片材输送位置之间，位于与片材吸引位置更远离片材叠层的位置处，以及设置在吸引带的环内的按压构件，以将片材吸引位置处的吸引带压向片材叠层，并在片材输送位置与吸引带分离。

3. 发明申请

US20110121506A1 Sheet feeding device and image forming apparatus incorporating same 有权
标题翻译：纸张馈送装置和包含其的图像形成装置
公开(公告)号：US20110121506A1
公开(公告)日：2011-05-26
申请号：US12926487
申请日：2010-11-22
申请人： Yoshikuni ISHIKAWA , Yu WAKABAYASHI , Toshiaki TAKAHASHI , Manabu NONAKA
发明人： Yoshikuni ISHIKAWA , Yu WAKABAYASHI , Toshiaki TAKAHASHI , Manabu NONAKA
IPC分类号： B65H3/18 , B65H1/00 , B65H5/06 , B65H7/02
CPC分类号： B65H3/18 , B65H1/14 , B65H3/047 , B65H2301/42344 , B65H2513/50 , B65H2801/06 , B65H2220/02
摘要： A sheet feeding device includes a sheet carrying unit and an attraction separation and conveyance device. The sheet carrying unit is configured to carry thereon a sheet stack. The attraction separation and conveyance device is configured to electrostatically attract the uppermost sheet of the sheet stack and separate and convey the uppermost sheet from the sheet stack, and is placed between the upstream end and the central position in a sheet conveying direction of the sheet stack located at a sheet carrying position and having a minimum sheet size compatible with the sheet feeding device.
摘要翻译：片材进给装置包括片材传送单元和吸引分离和传送装置。纸张承载单元被配置为在其上承载纸张堆叠。吸引分离输送装置被配置为静电吸引片材堆叠的最上面的片材，并从片材叠层分离并输送最上面的片材，并且被放置在片材堆叠的片材传送方向上的上游端和中心位置之间位于片材承载位置并且具有与片材进给装置相容的最小片材尺寸。

4. 发明申请

US20140312557A1 SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：纸张进纸器和图像形成装置同时进行
公开(公告)号：US20140312557A1
公开(公告)日：2014-10-23
申请号：US14258343
申请日：2014-04-22
申请人： Yoshikuni ISHIKAWA , Tetsutaro YASUDA , Manabu NONAKA
发明人： Yoshikuni ISHIKAWA , Tetsutaro YASUDA , Manabu NONAKA
IPC分类号： B65H3/18
CPC分类号： B65H3/18 , B65H1/14 , B65H3/54 , B65H2403/41 , B65H2403/533 , B65H2404/255 , B65H2404/2693 , B65H2511/214 , B65H2515/81 , B65H2220/01 , B65H2220/08
摘要： A sheet feeder, which is incorporated in an image forming apparatus, includes an endless attraction belt that is rotatably disposed facing a top surface of a sheet stack, a belt charger to attract an uppermost sheet of the sheet stack, and a sheet separator to press the attraction belt against the sheet stack, bend a contact region to which the uppermost sheet is attracted and contacted to the attraction belt, and separate the uppermost sheet from a subsequent sheet or other sheet of the sheet stack. In this configuration, a curvature of a contact surface of the sheet separator with respect to the attraction belt is changeable.
摘要翻译：包括在图像形成装置中的送纸器包括面向纸张堆叠的顶面可旋转地设置的环形吸引带，用于吸引片材堆叠的最上面的片材的带式充电器，以及用于按压将吸引带抵靠在纸叠上，使最上层的纸张被吸引并与吸引带接触的接触区域弯曲，并将最上面的纸张与后续的纸张或纸张堆叠片分开。在该构造中，片状隔板相对于吸引带的接触表面的曲率是可变的。

5. 发明申请

US20140001699A1 SHEET CONVEYOR AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：表格输送机和图像形成装置同时进行
公开(公告)号：US20140001699A1
公开(公告)日：2014-01-02
申请号：US13914959
申请日：2013-06-11
申请人： Yoshikuni ISHIKAWA , Manabu NONAKA
发明人： Yoshikuni ISHIKAWA , Manabu NONAKA
IPC分类号： B65H3/18
CPC分类号： B65H3/18 , B65H3/04 , B65H5/068 , B65H2403/41 , B65H2404/25 , B65H2404/255 , B65H2404/2693
摘要： A sheet conveyor incorporated in an image forming apparatus includes an attraction/separation unit including an attraction belt, a first tension roller, and a second tension roller, a support member to support the attraction/separation unit, a roller drive unit to rotate one of the first and second tension rollers, a charging member to uniformly charge a surface of the attraction belt, a mechanism to swing the attraction/separation unit to move the attraction belt reciprocally about the support member between a sheet attraction position and a sheet conveyance position being located farther from the sheet stack than the sheet attraction position, and a pressing member disposed inside a loop of the attraction belt to press the attraction belt at the sheet attraction position toward the sheet stack and separating from the attraction belt at the sheet conveyance position.
摘要翻译：包括在图像形成装置中的片材输送机包括吸引/分离单元，该吸引/分离单元包括吸引带，第一张力辊和第二张力辊，用于支撑吸引/分离单元的支撑构件，辊驱动单元，第一和第二张力辊，对吸引带的表面均匀充电的充电构件，使吸引/分离单元摆动以使吸引带在支撑构件周围往复移动的机构在片材吸引位置和片材输送位置之间，位于与片材吸引位置更远离片材叠层的位置处，以及设置在吸引带的环内的按压构件，以将片材吸引位置处的吸引带压向片材叠层，并在片材输送位置与吸引带分离。

6. 发明申请

US20160194166A1 SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
标题翻译：纸张进纸器和图像形成装置同时进行
公开(公告)号：US20160194166A1
公开(公告)日：2016-07-07
申请号：US15053452
申请日：2016-02-25
申请人： Yoshikuni ISHIKAWA , Tetsutaro YASUDA , Manabu NONAKA
发明人： Yoshikuni ISHIKAWA , Tetsutaro YASUDA , Manabu NONAKA
IPC分类号： B65H3/18 , B65H3/54
CPC分类号： B65H3/18 , B65H1/14 , B65H3/54 , B65H2403/41 , B65H2403/533 , B65H2404/255 , B65H2404/2693 , B65H2511/214 , B65H2515/81 , B65H2220/01 , B65H2220/08
摘要： A sheet feeder, which is incorporated in an image forming apparatus, includes an endless attraction belt that is rotatably disposed facing a top surface of a sheet stack, a belt charger to attract an uppermost sheet of the sheet stack, and a sheet separator to press the attraction belt against the sheet stack, bend a contact region to which the uppermost sheet is attracted and contacted to the attraction belt, and separate the uppermost sheet from a subsequent sheet or other sheet of the sheet stack. In this configuration, a curvature of a contact surface of the sheet separator with respect to the attraction belt is changeable.
摘要翻译：包括在图像形成装置中的送纸器包括面向纸张堆叠的顶面可旋转地设置的环形吸引带，用于吸引片材堆叠的最上面的片材的带式充电器，以及用于按压将吸引带抵靠在纸叠上，使最上层的纸张被吸引并与吸引带接触的接触区域弯曲，并将最上面的纸张与后续的纸张或纸张堆叠片分开。在该构造中，片状隔板相对于吸引带的接触表面的曲率是可变的。

7. 发明申请

US20140070479A1 SHEET SEPARATION/CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：片材分离/输送装置和成像装置的图像形成装置
公开(公告)号：US20140070479A1
公开(公告)日：2014-03-13
申请号：US14016620
申请日：2013-09-03
申请人： Tsugunao TOYOOKA , Manabu NONAKA , Yoshikuni ISHIKAWA , Satoshi KUNO
发明人： Tsugunao TOYOOKA , Manabu NONAKA , Yoshikuni ISHIKAWA , Satoshi KUNO
IPC分类号： B65H3/18
CPC分类号： B65H3/18 , B65H3/047 , B65H7/02 , B65H2511/20 , B65H2515/702 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： A sheet separation/conveyance device that is included in an image forming apparatus includes an attraction/separation unit including an endless belt on which a region of attraction and a region of no attraction that divides the region of attraction are aligned in a sheet conveying direction, the endless belt configured to hold an uppermost sheet placed on top of a sheet stack contained in an image forming apparatus by using electrostatic attraction, a charger configured to charge a surface of the endless belt, the charger including an electrode configured to contact the surface of the endless belt due to a supply of a voltage and a detector configured to detect a charged condition on the surface of the endless belt based on a detection result obtained when the electrode contacts the endless belt, and a sheet conveying unit configured to convey the uppermost sheet held by the electrostatic attraction.
摘要翻译：包括在图像形成装置中的片材分离/输送装置包括吸引分离单元，其包括环形带，吸引区域和不吸引区域的吸引区域在片材输送方向上对齐的环形带，所述环形带被构造成通过使用静电吸引来保持放置在图像形成装置中的纸张堆叠的顶部上的最上面的纸张，配置成对环形带的表面充电的充电器，所述充电器包括被配置为接触由于提供电压而产生的环形带和检测器，其被配置为基于当电极与环形带接触时获得的检测结果来检测环形带的表面上的带电状态;以及片材传送单元，其被配置为传送最上面的由静电吸引力保持的片材。

8. 发明公开

US20230249931A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20230249931A1
公开(公告)日：2023-08-10
申请号：US18304023
申请日：2023-04-20
申请人： Jumpei AOYAMA , Manabu NONAKA , Hajime NISHIDA , Hideki TOBINAGA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI
发明人： Jumpei AOYAMA , Manabu NONAKA , Hajime NISHIDA , Hideki TOBINAGA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI
IPC分类号： B65H3/56 , B65H1/26 , B65H3/52
CPC分类号： B65H3/56 , B65H1/266 , B65H3/5215 , B65H2511/17 , B65H2301/51214 , B65H2402/10 , B65H2402/31 , B65H2402/32 , B65H2404/114 , B65H2404/117 , B65H2404/1521 , B65H2405/313 , B65H2601/324 , B65H2402/54
摘要： An image forming apparatus includes a sheet container accommodating a recording medium therein, a sheet separating feeder including a sheet feeding body and a sheet separating body, an image forming part, and a bend applier. The sheet feeding body feeds the recording medium along with a surface movement thereof while the recording medium contacting the surface thereof. The sheet separating body forms a sheet separation nip region with the sheet feeding body and sandwiches the recording medium in the sheet separation nip region. The sheet separating feeder separates and feeds the recording medium contacting the sheet feeding body. The image forming part forms an image on the recording medium. The bend applier having a leading end of an elastic material contacts and bends the recording medium before the sheet separation nip region and generates a wrinkle extending on the recording medium in a sheet conveying direction.

9. 发明申请

US20150132039A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150132039A1
公开(公告)日：2015-05-14
申请号：US14536955
申请日：2014-11-10
申请人： Hideki TOBINAGA , Hajime NISHIDA , Jumpei AOYAMA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI , Manabu NONAKA
发明人： Hideki TOBINAGA , Hajime NISHIDA , Jumpei AOYAMA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI , Manabu NONAKA
IPC分类号： G03G15/00
CPC分类号： G03G15/6529 , B65H1/266 , B65H3/46 , B65H3/5215 , B65H5/062 , B65H7/12 , B65H9/166 , B65H2301/4234 , G03G15/6511 , G03G15/6514 , G03G2215/004
摘要： An image forming apparatus includes an apparatus body, a sheet container, an image forming part to form an image, a sheet feeding rotary body to feed the recording medium, a sheet separating rotary body to contact the sheet feeding rotary body and rotate with the sheet feeding rotary body with a sheet separation nip region formed therebetween, a rotation adjusting unit to adjust rotation of the sheet separating rotary body, a sheet containing unit to contain the recording media therein, a sheet separating body storing unit disposed at one end of the sheet containing unit to store the sheet separating body therein, and a load resistance applying mechanism to apply a rotational load resistance different from a contact force generated by contacting of the sheet separating rotary body with the sheet feeding rotary body, to the sheet feeding rotary body with no rotation driving force applied thereto.
摘要翻译：图像形成装置包括：装置本体，片状容器，形成图像的图像形成部，供给记录介质的片材供给旋转体;片材分离旋转体，与片材供给旋转体接触，并与片材馈送旋转体，其间形成有片材分离夹持区域，用于调节片材分离旋转体的旋转的旋转调节单元，容纳其中的记录介质的片材容纳单元，设置在片材的一端的片材分离体存储单元用于将片材分离体存储在其中的负载电阻单元和负载电阻施加机构，用于将不同于由片材分离旋转体与片材进给旋转体接触产生的接触力的旋转负载电阻施加到片材馈送旋转体，不施加旋转驱动力。

10. 发明申请

US20190039842A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190039842A1
公开(公告)日：2019-02-07
申请号：US16157196
申请日：2018-10-11
申请人： Jumpei AOYAMA , Manabu NONAKA , Hajime NISHIDA , Hideki TOBINAGA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI
发明人： Jumpei AOYAMA , Manabu NONAKA , Hajime NISHIDA , Hideki TOBINAGA , Junpei KAMICHI , Satoshi KUNO , Shun KOBAYASHI
IPC分类号： B65H3/56 , B65H1/26 , B65H3/52
摘要： An image forming apparatus includes a sheet container accommodating a recording medium therein, a sheet separating feeder including a sheet feeding body and a sheet separating body, an image forming part, and a bend applier. The sheet feeding body feeds the recording medium along with a surface movement thereof while the recording medium contacting the surface thereof. The sheet separating body forms a sheet separation nip region with the sheet feeding body and sandwiches the recording medium in the sheet separation nip region. The sheet separating feeder separates and feeds the recording medium contacting the sheet feeding body. The image forming part forms an image on the recording medium. The bend applier having a leading end of an elastic material contacts and bends the recording medium before the sheet separation nip region and generates a wrinkle extending on the recording medium in a sheet conveying direction.

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