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1. 发明专利

JP2013193842A Sheet feeder, automatic document feeder, and image forming apparatus 审中-公开
标题翻译：纸张进纸器，自动文件进纸器和图像形成装置
公开(公告)号：JP2013193842A
公开(公告)日：2013-09-30
申请号：JP2012062761
申请日：2012-03-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KANBAYASHI MAMORU , SAKANO HIROKI , KIMURA NORIO , SANO TAKUYA , MORITA KENICHIRO , MORINAGA TAKUYA , NAKANO TAKASHI , TOBINAGA HIDEKI , SUZUKI MICHITAKA , FUKUMOTO TAKASHI , FUJITA ATSUSHI , FUKUCHI MASATAKA , YOSHIDA RYUJI
IPC分类号： B65H1/14 , B65H3/68
摘要： PROBLEM TO BE SOLVED: To provide a means of keeping constant the entry angle which is formed by a guide member guiding a sheet to a carrier and the fed sheet, and of increasing the stacking amount of sheets without upsizing a device.SOLUTION: A guide member 42 has a sheet conveying-directional downstream side supported at a fixing fulcrum 10a, a sheet stacking portion 3 has a sheet conveying-directional upstream side supported at another fixing fulcrum 3a, and the guide member and sheet stacking portion can rotate on the respective fulcra and are coupled to each other by coupling means 60, the guide member 42 being rotated by the same rotation amount with the sheet stacking portion 3 in a direction such that a sheet entry angle α3 becomes constant as the sheet stacking portion 3 rotates.
摘要翻译：要解决的问题：提供一种将由导向构件引导到载体和供给的片材的引导构件形成的入口角度保持恒定的装置，并且增加片材的堆积量而不增加装置。解决方案：导向件构件42具有支撑在固定支点10a处的片材输送方向下游侧，片材堆叠部分3具有被支撑在另一固定支点3a处的片材输送方向上游侧，并且引导构件和片材堆叠部分可以在相应的并且通过联接装置60彼此联接，引导构件42随着片材堆叠部分3以片材入口角度α3变得恒定的方向与片材堆叠部分3旋转相同的旋转量。

2. 发明专利

JP2013138391A Document transport device, image reader and image forming apparatus 审中-公开
标题翻译：文件传送装置，图像读取器和图像形成装置
公开(公告)号：JP2013138391A
公开(公告)日：2013-07-11
申请号：JP2011289370
申请日：2011-12-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI MICHITAKA , MORITA KENICHIRO , FUJITA ATSUSHI , KANBAYASHI MAMORU , FUKUCHI MASATAKA , TOBINAGA HIDEKI , KIMURA NORIO , YOSHIDA RYUJI , SANO TAKUYA , FUKUMOTO TAKASHI , BANNO HIROKI , MORINAGA TAKUYA
IPC分类号： H04N1/00 , B41K3/44 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a document transport device with which an operator is prevented from erroneously rotating a stamp unit during jam processing and during cleaning of a rear device and stamp replacement performance can be improved even in the document transport device with end face reference.SOLUTION: A document transport device includes: document loading means; separation feeding means; transport means; discharge means; and a transport device body for supporting them. The transport device body is supported by an image forming apparatus body so as to be freely opened/closed. The document transport device also includes: a stamp 59 which is arranged on a downstream side in a document transport direction rather than a reading position and stamps a read completion mark on a document which is read; and a stamp unit 55 which is movably supported by the transport device body and detachably supports the stamp 59. The transport device body is opened from the image forming apparatus body, and the stamp unit 55 is moved to a first direction and moved to a second direction which is a device operator side to attach/detach the stamp 59.
摘要翻译：要解决的问题：提供一种在卡纸处理期间和在后部装置的清洁期间防止操作者错误地旋转印章单元的文件传送装置，并且即使在具有端面参考的文档传送装置中也可以提高印章更换性能文件传送装置包括：文件装载装置; 分离进料装置; 运输手段; 排放手段以及用于支撑它们的运送装置主体。运输装置主体由图像形成装置主体支撑以便自由地打开/关闭。文件传送装置还包括：印刷件59，其布置在文档传送方向的下游侧，而不是读取位置，并且在读取的文档上标记读取完成标记; 以及由运送装置主体可移动地支撑并可拆卸地支撑印章59的邮票单元55.运送装置主体从图像形成装置主体打开，印章单元55移动到第一方向并移动到第二方向方向是装置操作者侧附着/拆卸印章59。

3. 发明专利

JP2013237536A Sheet feeding device and image forming apparatus 审中-公开
标题翻译：纸张进给装置和图像形成装置
公开(公告)号：JP2013237536A
公开(公告)日：2013-11-28
申请号：JP2012111691
申请日：2012-05-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA TAKUYA , TOBINAGA HIDEKI , FUKUMOTO TAKASHI , FUJITA ATSUSHI , KANBAYASHI MAMORU , FUKUCHI MASATAKA , SUZUKI MICHITAKA , YOSHIDA RYUJI , NAKANO TAKASHI , MORITA KENICHIRO , KIMURA NORIO , SAKANO HIROKI , SANO TAKUYA
IPC分类号： B65H1/14 , B65H1/04 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a sheet feeding device that can shorten the time to start reading the first sheet without inhibiting the sheet setting operation by a user.SOLUTION: An automatic document conveying device 50 as a sheet feeding device includes: a document table 2 for loading and setting documents: a separating and feeding means for separating the documents and feeding them one by one; a conveying means for conveying the documents to a reading position 20; a discharge means for discharging the documents from the reading position; a document set sensor 5 for detecting whether or not the documents are on the document table; and a document movement detecting sensor SN2 for detecting whether or not the documents on the document table are being set by a user, and performs a feeding preparation operation for the documents after detecting the presence of the sheet by the document set sensor 5, and detecting that the sheet setting operation has been completed by the document movement detecting sensor SN2.
摘要翻译：要解决的问题：提供一种能够缩短开始读取第一片材的时间的片材进给装置，而不会妨碍用户的片材设定操作。解决方案：作为片材进给装置的自动文件传送装置50包括：文件台 2用于装载和设置文件：一个分离和进料装置，用于分离文件并逐一进料; 用于将文件传送到阅读位置20的传送装置; 用于从读取位置排出文件的排出装置; 用于检测文件是否在文档表上的文件集传感器5; 以及文件移动检测传感器SN2，用于检测用户是否正在设置文件表上的文档，并且在通过文档传感器5检测到纸张的存在并检测文档之后对文档进行馈送准备操作纸张设置操作已由文档移动检测传感器SN2完成。

4. 发明专利

JP2013142013A Document conveyance device, image reader and image forming apparatus 审中-公开
标题翻译：文件传输设备，图像读取器和图像形成设备
公开(公告)号：JP2013142013A
公开(公告)日：2013-07-22
申请号：JP2012002140
申请日：2012-01-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITA ATSUSHI
IPC分类号： B65H1/04
摘要： PROBLEM TO BE SOLVED: To inhibit skewing in feeding a document or a sheet in a document conveyance device.SOLUTION: A positioning rail 54 determining a fixing position of a guide member 52 and a pair of sliding rails 53 having a guided part 52a provided on the guide member 52 therebetween are obliquely arranged so that an angle θs formed between the guide member 52 ane the rails at a downstream side of a feeding direction of the sheet 50 is an acute angle. The guided part 52a of the guide member 52 is tilted by only the angle θ with respect to the guide member 52. By being tilted in this way, even under the condition that one pitch p of a positioning uneven part 60 is almost equivalent to that of the conventional device, the fixing position accuracy of the guide member 52 can be finely subdivided into "pitch width p×sinθ", and a gap between an edge of a sheet bundle 50 and the guide member 52 is reduced, and the skewing of the sheet 50 can be inhibited.
摘要翻译：要解决的问题：抑制文件或文件传送装置中的文件或片材的偏移。解决方案：定位导轨54确定导向构件52的固定位置和一对滑动导轨53，该导轨53具有设置在其上的导向部分52a 它们之间的引导构件52倾斜地布置成使得在引导构件52之间形成的在片材50的馈送方向的下游侧的轨道之间的角度和角度为锐角。引导部件52的引导部52a只倾斜角度θt，通过以这种方式倾斜，即使在定位不平部分60的一个间距p几乎等于常规装置的间距p的情况下，引导构件52的固定位置精度可以是细分为“间距宽度×××××××××××××××××××××××××××××××”

5. 发明专利

JP2013129509A Document feed device, image reading device and image forming apparatus 审中-公开
标题翻译：文件进纸装置，图像读取装置和图像形成装置
公开(公告)号：JP2013129509A
公开(公告)日：2013-07-04
申请号：JP2011280398
申请日：2011-12-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITA ATSUSHI
IPC分类号： B65H1/04
摘要： PROBLEM TO BE SOLVED: To provide a document feed device which suppresses a malfunction caused by the hang-down of ends of a large-sized document and a sheet at the end of a document table without impairing visibility and access performance at setting a small-sized sheet and a document and also without causing an increase of cost, in the notching of the large sized sheet an a document.SOLUTION: The document feed device 51 includes: a document stacking means 52 which stacks the document and partially has a notch 54 at an upstream side end in the document feed direction; and a guide member 53 which aligns the documents stacked by the document stacking means 52 in a width direction of the documents. The guide member 53 includes a protrusion member 58 integrally formed and covering the notch 54.
摘要翻译：要解决的问题：提供一种文件馈送装置，其能够抑制在文档表的尽头的大型文档和纸张的端部的挂起造成的故障，而不会影响设置小型文档的可见性和访问性能，大尺寸纸张和文件，并且也不会导致成本增加，在大尺寸纸张的开口处放置文件。解决方案：文件馈送装置51包括：文档堆叠装置52，其堆叠文档并且部分地具有凹口54 在文件进给方向的上游端; 以及引导构件53，其将文件堆叠装置52堆叠的文件沿文件的宽度方向对准。引导构件53包括一体形成并覆盖凹口54的突出构件58。

6. 发明专利

JP2013119464A Automatic document feeder, image reading apparatus, and image forming apparatus 审中-公开
标题翻译：自动文件进纸器，图像读取装置和图像形成装置
公开(公告)号：JP2013119464A
公开(公告)日：2013-06-17
申请号：JP2011268118
申请日：2011-12-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKANO HIROKI , KIMURA NORIO , FUJITA ATSUSHI , TOBINAGA HIDEKI , KANBAYASHI MAMORU , FUKUMOTO TAKASHI , FUKUCHI MASATAKA , SUZUKI MICHITAKA , YOSHIDA RYUJI , SANO TAKUYA , MORITA KENICHIRO , MORINAGA TAKUYA , NAKANO TAKASHI
IPC分类号： B65H5/06 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an automatic document feeder, an image reading apparatus, and an image forming apparatus for improving the durability of a delivery roller pair while varying the nip angle of the delivery roller pair.SOLUTION: The automatic document feeder includes the delivery roller pair 50 for delivering a document out of the feeder, a spring 57 for pressing a driven roller 50b on one side of the delivery roller pair 50 to a driving roller 50a on the other side, a rocking bracket 53 that supports the driven roller 50b and the spring 57 and rocks on a circular arc centered on the driving roller 50a independently of the driving roller 50a, and a driving gear 56 for rocking the rocking bracket 53.
摘要翻译：要解决的问题：提供一种自动进稿器，图像读取装置和图像形成装置，用于在改变输送辊对的夹持角度的同时提高输送辊对的耐久性。
解决方案：自动进纸器包括用于将原稿从供纸器输出的输送辊对50，用于将输送辊对50的一侧上的从动辊50b压向另一侧的驱动辊50a的弹簧57 支撑从动辊50b和弹簧57的摆动支架53，并且与驱动辊50a独立地驱动在驱动辊50a的中心的圆弧上摇摆，以及用于摆动摆动支架53的驱动齿轮56。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2004099275A Sheet feeder and imaging device 有权
标题翻译：纸张进纸器和成像装置
公开(公告)号：JP2004099275A
公开(公告)日：2004-04-02
申请号：JP2002265476
申请日：2002-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITA ATSUSHI
IPC分类号： B65H1/30 , B65H1/28
摘要： PROBLEM TO BE SOLVED: To detect paper transfer from a second paper housing part to a first paper housing part with reliability at a low cost.
SOLUTION: A cam 38 is mounted through an oil damper (not shown) to a shaft 37 for elevating a tray bottom plate 45 of a first paper housing part 31 of a paper feeding cassette 30. An incorrect setting detection member 35 is turned from the cam 38 through a link member 39. The detection member 35 opens/closes associating with the elevation of the bottom plate 45. After the paper sheet is transferred from the second paper housing part 32 to the first paper housing part 31, the detection member 35 is moved to a dotted position and closed to be detected by a sensor (not shown), while the bottom plate 45 is elevated, .
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：以低成本可靠地检测从第二纸容纳部分到第一纸容纳部分的纸张传送。解决方案：凸轮38通过油阻尼器（未示出）安装到轴37上，用于升高供纸盒30的第一纸容纳部分31的托盘底板45.不正确的设置检测部件35是从凸轮38通过连杆构件39转动。检测构件35与底板45的高度相关联地打开/关闭。在纸张从第二纸容纳部32转移到第一纸容纳部31之后，当底板45升高时，检测部件35移动到虚线位置并关闭以由传感器（未示出）检测。版权所有（C）2004，JPO

8. 发明专利

JP2014065582A Sheet conveyance device and image forming device 审中-公开
标题翻译：板输送装置和图像形成装置
公开(公告)号：JP2014065582A
公开(公告)日：2014-04-17
申请号：JP2012212650
申请日：2012-09-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUKUMOTO TAKASHI , KANBAYASHI MAMORU , SUZUKI MICHITAKA , FUJITA ATSUSHI , FUKUCHI MASATAKA , YOSHIDA RYUJI , TOBINAGA HIDEKI , KIMURA NORIO , MORITA KENICHIRO , BANNO HIROKI , SANO TAKUYA , MORINAGA TAKUYA , NAKANO TAKASHI
IPC分类号： B65H3/04 , B65H3/52
CPC分类号： B65H3/06 , B65H3/047 , B65H3/0607 , B65H3/0669 , B65H3/0684 , B65H3/5261 , B65H5/021 , B65H7/00 , B65H2403/25 , B65H2403/512 , B65H2404/2693 , B65H2511/20 , B65H2511/212 , B65H2515/34 , B65H2801/06 , B65H2801/39 , B65H2220/01 , B65H2220/11 , B65H2220/08
摘要： PROBLEM TO BE SOLVED: To provide a sheet conveyance device capable of accurately holding a contact angle between a paper feeding belt and a nip part of a separation roller during separation paper feeding and always obtaining good separation pressure, and an image forming device.SOLUTION: A sheet conveyance device has an adjustment mechanism 60 for variably adjusting sheet separation performance by changing a contact state between a paper feeding belt 95 of a separated sheet feeding mechanism 9 and a separation roller. The adjustment mechanism 60 includes a rotary cam member 61, and a paper feeding belt holder bracket 92 for changing the relative positions of the paper feeding belt 95 and the separation roller according to the rotational angle position of the cam member 61. The cam member 61 includes a first cam surface 61a and a second cam surface 61b separated in a rotational radius direction. The paper feeding belt holder bracket 92 includes a projection pin 92e guided from both sides in the rotational radius direction to a lifting position according to the rotational angle position of the cam member 61 by the first cam surface 61a and the second cam surface 61b.
摘要翻译：要解决的问题：提供一种片材输送装置，其能够在分离纸输送期间能够精确地保持送纸带和分离辊的夹持部之间的接触角，并且始终获得良好的分离压力。以及图像形成装置。解决方案：片材输送装置具有调节机构60，用于通过改变分离的片材进给机构9的送纸带95和分离辊之间的接触状态来可变地调节片材分离性能。调节机构60包括旋转凸轮构件61和用于根据凸轮构件61的旋转角度位置改变送纸带95和分离辊的相对位置的送纸带保持架92。包括沿旋转半径方向分离的第一凸轮面61a和第二凸轮面61b。送纸皮带保持架支架92包括从第一凸轮面61a和第二凸轮面61b根据凸轮部件61的旋转角位置沿转动半径方向从两侧引导到提升位置的突出销92e。

9. 发明专利

JP2014001053A Sheet feeding device, and image reading apparatus and image forming apparatus using sheet feeding device 审中-公开
标题翻译：纸张送料装置，图像读取装置和图像形成装置，使用片材送料装置
公开(公告)号：JP2014001053A
公开(公告)日：2014-01-09
申请号：JP2012137649
申请日：2012-06-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORITA KENICHIRO , TOBINAGA HIDEKI , FUKUMOTO TAKASHI , FUJITA ATSUSHI , KANBAYASHI MAMORU , FUKUCHI MASATAKA , SUZUKI MICHITAKA , YOSHIDA RYUJI , NAKANO TAKASHI , KIMURA NORIO , SANO TAKUYA , MORINAGA TAKUYA , BANNO HIROKI
IPC分类号： B65H1/04 , B65H7/10
摘要： PROBLEM TO BE SOLVED: To start separation feeding operation of a sheet in a state where an end portion of a sheet side is properly positioned at a regular position.SOLUTION: When a document sheet is separated and fed one by one from a bundle of document sheets stacked on a document platen 53, separation feeding operation of the document sheet is started as a start condition of the feeding operation by using that a document setting sensor 63 detects presence of the document sheet on the document platen, and document width direction position detection sensors 60A and 60B detect an end portion of the sheet side which is positioned at a regular position by a side guide 56.
摘要翻译：要解决的问题：在纸张侧的端部正确定位在正常位置的状态下开始纸张的分离进给操作。解决方案：当文件纸从一堆纸张中逐个分离并进纸时，堆叠在原稿台53上的纸张，作为进纸操作的开始条件，通过文件设置传感器63检测原稿台纸上的原稿以及原稿宽度方向位置检测，开始原稿的分离送进操作传感器60A和60B通过侧引导件56检测位于规则位置的片侧的端部。

10. 发明专利

JP2012199684A Image reading apparatus and image forming apparatus 有权
标题翻译：图像读取装置和图像形成装置
公开(公告)号：JP2012199684A
公开(公告)日：2012-10-18
申请号：JP2011061505
申请日：2011-03-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITA ATSUSHI , TOBINAGA HIDEKI , FUKUMOTO TAKASHI , SUZUKI MICHITAKA , KANBAYASHI MAMORU , FUKUCHI MASATAKA , MORITA KAZUKI
IPC分类号： H04N1/04 , H04N1/00 , H04N1/028 , H04N1/12
CPC分类号： H04N1/00567 , H04N1/1225 , H04N1/123 , H04N1/193 , H04N2201/0081
摘要： PROBLEM TO BE SOLVED: To provide an image reading apparatus and an image forming apparatus capable of suppressing increase in document conveyance force and suppressing variation in a position of abutting on a document reading part due to the thickness (stiffness) of a document.SOLUTION: The document conveyance position X1 of reading-exit rollers 92 (nip of reading-exit rollers) is provided below a reading position B. The document conveyance path from the reading position B to the document conveyance position X2 of second reading-exit rollers 93 is symmetrical to the document conveyance path from the document conveyance position X1 of the reading-exit rollers 92 to the reading position about a line M drawn perpendicularly to the reading surface 95a of a second fixed reading part 95. The document conveyance speed of the second reading-exit rollers 93 and that of the reading-exit rollers 92 are equal to each other.
摘要翻译：要解决的问题：提供一种图像读取装置和图像形成装置，其能够抑制原稿输送力的增加，并且抑制由于文档的厚度（刚度）而导致的文档读取部分的抵靠位置的变化。解读方式：读取出口辊92的文档传送位置X1（读出出口辊的辊隙）设置在读取位置B的下方。从读取位置B到第二次读取的原稿输送位置X2的原稿输送路径出纸辊93与从读出口辊92的原稿输送位置X1到垂直于第二固定读取部件95的读取表面95a绘制的线M的读取位置的原稿输送路径对称。原稿输送第二出纸辊93和读出口辊92的速度彼此相等。版权所有（C）2013，JPO＆INPIT

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