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1. 发明专利

JP2014176973A Image formation apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2014176973A
公开(公告)日：2014-09-25
申请号：JP2013050722
申请日：2013-03-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU
IPC分类号： B41J15/16 , B41J2/01 , B65H23/16 , B65H23/32
摘要： PROBLEM TO BE SOLVED: To solve a problem in which it is difficult to stably transport a roll sheet drawn out from a roll body.SOLUTION: An image formation apparatus includes: a roll body 112; a transport roller 23 which is arranged above the roll body 112 and transports a roll sheet 120 opposite a recording head 11; and a transport path 200 which guides the roll sheet 120 drawn out from the roll body 112 to the transport roller 23 while inverting the roll sheet 120. A roller 210 which abuts on the roll sheet 120 from inside to come into contact is arranged movably in the transport path 200, and a spring 211 is provided between a shaft part and a fixed part of the roller 210 so as to apply tension to the roll sheet 120 through the roller 210 with restoring force of the spring 211 when the roll sheet 120 is tensed, and to press the roller 210 against an outer guide plate 202 that the roller 210 faces with the roll sheet 120 interposed with the restoring force of the spring 211 when the roll sheet 120 is slackened.
摘要翻译：要解决的问题：为了解决难以稳定地输送从辊体抽出的辊片的问题。解决方案：图像形成装置包括：辊体112; 传送辊23，其布置在卷体112的上方并传送与记录头11相对的卷片120; 以及输送路径200，其将从辊体112引出的卷材120引导到输送辊23同时翻转卷片120.从内侧抵接在卷片120上的辊210可接触地布置，传送路径200和弹簧211设置在辊210和辊210的固定部分之间，以便当辊片120为卷筒纸120时，通过辊210以弹簧211的恢复力向辊片120施加张力并且当辊片120松弛时，将辊210抵靠辊210与辊片120对置的外导向板202，压辊片120插入弹簧211的恢复力。

2. 发明专利

JP2011178026A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011178026A
公开(公告)日：2011-09-15
申请号：JP2010044483
申请日：2010-03-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NIIHARA TAKAYUKI , YAMADA MASAHIKO , MAEYAMA YUICHIRO , OGAWA MASAHITO , MORINAGA SHIGERU , WAKAMATSU KAZUHIRO
IPC分类号： B41J15/04 , B41J29/00 , B65H16/06 , G03G15/00
CPC分类号： B41J15/042 , B41J15/02 , H04N1/00538 , H04N1/0057 , H04N1/00588 , H04N1/00618 , H04N1/00665 , H04N1/00668 , H04N1/00679 , H04N1/1017 , H04N2201/0422
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus excelling in visibility and improvable in roll paper setting performance by providing the front side of an apparatus body between an image reading part and an image forming part with an opening for attaching/detaching roll paper (a sheet roll), and providing the upper and lower parts of the opening with positioning guide means engaged with or fitted to at least one flange member mounted to both ends of the roll paper.
SOLUTION: The opening 7 for inserting the roll paper 4 from the front side of the apparatus body 1 and inserting and setting the roll paper 4 into a flange bearer 5 is formed between the image reading part 2 and the image forming part 3, and the upper and lower parts of the apparatus body 1 in the opening 7 include the positioning guide means for positioning and regulating at least one flange 6 of the roll paper 4 in a sheet width direction Y and guiding the roll paper 4 to the flange bearer 5 serving as a sheet roll support part.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在图像读取部分和图像形成部分之间设置装置主体的前侧以提供用于附接/分离的开口，以提供能够提高可见性和可改善卷筒纸设置性能的图像形成装置卷纸（片卷），并且使开口的上部和下部具有与安装在卷纸两端的至少一个凸缘部件啮合或嵌合的定位引导装置。解决方案：用于将卷纸4从装置主体1的前侧插入并将卷纸4插入并设置到凸缘承载件5中的开口7形成在图像读取部分2和图像形成部分3之间并且开口7中的装置本体1的上部和下部包括用于在纸张宽度方向Y上定位和调节卷纸4的至少一个凸缘6并将卷纸4引导到凸缘的定位引导装置承载件5用作片材卷支撑部件。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011057435A Roll paper residual amount detection device and image forming device 审中-公开
标题翻译：卷纸残留检测装置和图像形成装置
公开(公告)号：JP2011057435A
公开(公告)日：2011-03-24
申请号：JP2009212215
申请日：2009-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU , YOSHIMARU AKITO , TOKUNAGA ATSUO , MIYAMOTO YOSHIO , HARASAWA YUSUKE , NAKADA KIKUYA , HIRATA SATOSHI , UEHARA KENTARO
IPC分类号： B65H26/06
摘要： PROBLEM TO BE SOLVED: To provide a means capable of precisely detecting a residual amount to any of roll paper different in a core body diameter.
SOLUTION: This roll paper residual amount detection device includes a detection guide 40 rockably supported with a fulcrum 41 as the center, having a part abutting on the outer periphery of the roll paper and rocking this abutting part in response to displacement in the abutting direction according to reduction in the residual amount of the roll paper, and detection means 50a and 50b for detecting a position of this rocking detection guide. A common reference A-A is set for acquiring a rocking position of the detection guide, and the detection guide is constituted so that a reference B-B of the detection guide takes the same angle (γ) to the common reference even when this set roll paper is any of the roll paper different in the core body diameter when the residual amount of the set roll paper becomes the near end. A predetermined residual amount of the roll paper different in the core body diameter, for example, the near end is detected in common by detecting a position of the detection guide of becoming such the same relationship by the detection means.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够精确地检测与芯体直径不同的任何卷纸的残留量的装置。解决方案：该卷纸剩余量检测装置包括以支点41为中心可摆动地支撑的检测引导件40，该检测引导件40具有抵靠在卷纸的外周上的部分，并且响应于该位置而摆动该抵接部检测装置50a，50b是检测该摇摆检测引导件的位置的检测机构50a，50b。设置用于获取检测引导件的摆动位置的共同参考AA，并且检测引导件被构造成使得即使当该设定的卷纸是任何的时，检测引导件的基准BB与公共基准指定相同的角度（γ）当卷筒纸的剩余量变为近端时，卷纸的芯体直径不同。通过检测由检测装置变成这样相同的关系的检测引导件的位置，可以共同地检测芯体直径不同的例如近端的卷纸的预定剩余量。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011046519A Paper carrying device and image forming device 审中-公开
标题翻译：纸张携带装置和图像形成装置
公开(公告)号：JP2011046519A
公开(公告)日：2011-03-10
申请号：JP2009198634
申请日：2009-08-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU , YOSHIMARU AKITO , TOKUNAGA ATSUO , MIYAMOTO YOSHIO
IPC分类号： B65H5/06 , B65H9/14 , B65H23/025
摘要： PROBLEM TO BE SOLVED: To prevent not only the occurrence of wrinkles in forward carrying but also prevent the occurrence of wrinkles in rewinding.
SOLUTION: This paper carrying device sends out and carries roll paper RP from a paper feeding roll 2a. The paper carrying device includes a register roller 13 for regulating sending-out of the roll paper RP, a register pressurizing roller 14 opposed to the register roller 13 and arranged in a plurality along the longitudinal direction of the register roller 13, and a pressurizing roller holding member for slantingly holding the register pressurizing roller 14 outward in the carrying direction of the roll paper RP by following in the carrying direction of the roll paper RP, and imparts carrying force to the roll paper by an inclination so as to become a divergent shape or a V shape in the carrying direction.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止前进中的褶皱的发生，也防止倒卷皱纹的发生。
解决方案：该送纸装置从送纸辊2a送出并携带卷纸RP。纸张传送装置包括用于调节卷纸RP的发送的对准辊13，与对准辊13相对并沿对准辊13的长度方向多个布置的对准加压辊14和加压辊保持构件，用于通过沿着卷纸RP的传送方向沿着卷纸RP的传送方向向外倾斜地将定位加压辊14保持在一起，并且将倾斜的载带力赋予卷纸以成为发散形状或V形。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2015013448A 液滴吐出状態検出装置および画像形成装置有权
标题翻译： DROPLET放电状态检测装置和图像形成装置
公开(公告)号：JP2015013448A
公开(公告)日：2015-01-22
申请号：JP2013142557
申请日：2013-07-08
申请人：株式会社リコー , Ricoh Co Ltd
发明人： ANDO HIROSHI , MIKI EIJI , KAWAMICHI GENICHIRO , TOKUYAMA KOJI , MORINAGA SHIGERU
IPC分类号： B41J2/01
CPC分类号： B41J2/2142 , B41J2/16579 , B41J2/16585 , B41J2/2146
摘要：【課題】発光手段の位置を移動できる機構と発光手段の発光量の調整手段とを設けることにより、光軸位置と傾きのメカニカルな調整手段がなく、ヘッド列が増大した場合には発光手段を増やす必要がなく、発光量とオフセット光量を増大させることなく液滴の吐出不良を正確に検出することができる液滴吐出状態検出装置を提供する。【解決手段】光ビーム23を発光する発光素子28と、光ビーム23のビーム径からずれた位置に配置された受光素子32と、複数のノズルを有する2つ以上のヘッド列とを有し、光ビーム23が各ヘッド列の各ノズルからの液滴26に衝突したときに発生する散乱光Sを受光素子32で受光し、受光した散乱光Sの受光光量を基に、液滴26の吐出状態を検出する液滴吐出状態検出装置1であって、光ビーム23の光軸と交差する方向に発光素子28を移動する移動機構31と、発光素子の発光量を調整する発光駆動部27と、を有する。【選択図】図2
摘要翻译：要解决的问题：提供一种液滴喷射状态检测装置，其中设置有能够移动发光装置的位置的机构和用于调节由发光装置发射的光量的调节装置，由此机械调节装置用于调节光轴位置并且不设置倾斜，并且不要求当头阵列增加时发光装置增加，并且其可以在不增加发射光体积和偏移光量的情况下精确地检测液滴的放电故障解决方案：液滴喷射状态检测装置1包括用于发射光束23的光发射器28，设置在偏离光束23的光束直径的位置处的光接收元件32和两个或更多个头阵列具有多个喷嘴。当光束23与各个头阵列的每个喷嘴与液滴26碰撞时产生的散射光S被光接收元件32接收。检测液滴26的放电状态的装置1 接收散射光S的接收光量的基础还包括使光发射器28沿与光束23的光轴交叉的方向移动的移动机构31和用于调节由光束23发射的光量的发光驱动部27 光发射器。

6. 发明专利

JP2014177044A Image formation apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2014177044A
公开(公告)日：2014-09-25
申请号：JP2013052824
申请日：2013-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU
IPC分类号： B41J15/16 , B41J2/01 , B65H23/025
摘要： PROBLEM TO BE SOLVED: To solve a problem in which skew cannot be suppressed with simple constitution without increasing a transport load.SOLUTION: A transport roller 23 has one end part held by a bearing part 211, an intermediate part held by a bearing part 212, and the other end part held by a bearing part 213 respectively rotatably, and the bearing parts 211-213 are eccentric bearings and can move the transport roller 23 in a transport direction. The bearing part 213 is rotated to move an end center position of the transport roller 23 to an upstream side in the transport direction, and the transport roller 23 is arranged such that a part closer to its center from the bearing parts 212, 213 at end parts projects to a downstream side in the transport direction.
摘要翻译：要解决的问题：为了解决在不增加运输负荷的情况下以简单的结构不能抑制歪斜的问题。传送辊23具有由轴承部211保持的一个端部，由轴承部212保持的中间部，另一端部由轴承部213分别保持，分别可旋转，轴承部211-213为偏心轴承，能够沿输送方向移动输送辊23。轴承部213转动，将输送辊23的端部中心位置向运送方向的上游侧移动，输送辊23配置成使端部的轴承部212,213的靠近中心的部分零件在运输方向下游到下游。

7. 发明专利

JP2012035926A Roll medium holding device and image forming apparatus 有权
标题翻译：滚筒介质保持装置和图像形成装置
公开(公告)号：JP2012035926A
公开(公告)日：2012-02-23
申请号：JP2010174835
申请日：2010-08-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU , WAKAMATSU KAZUHIRO , NIIHARA TAKAYUKI
IPC分类号： B65H16/06 , B41J15/02
摘要： PROBLEM TO BE SOLVED: To adjust a holding member to the axis of roll paper by a simple configuration.SOLUTION: This roll medium holding device includes a roll paper holding device 50 having a shaft core 52 that can be inserted in a core tube 12 of the roll paper 10, and a plurality of diameter increasing members 53 whose mounting positions are variably arranged in first positions arranged along the circumference of the shaft core 52 and in second positions arranged spaced from the shaft core 52. The roll medium holding device can be set in a first holding state that the diameter increasing members 53 are arranged in the first positions to support the roll paper 10 by the diameter increasing members 53, and in a second holding state that the diameter increasing members 53 are arranged in the second positions to support the roll medium by the shaft core 52.
摘要翻译：要解决的问题：通过简单的配置将保持构件调整到卷筒纸的轴线。解决方案：该卷筒介质保持装置包括：卷纸保持装置50，其具有可插入卷纸10的芯管12中的轴芯52;以及多个直径增大部件53，其安装位置是可变的布置在沿着轴芯52的圆周布置的第一位置和与轴芯52间隔开的第二位置中。辊介质保持装置可以设置在第一保持状态，即直径增加构件53布置在第一位置通过直径增加构件53支撑卷纸10，并且在第二保持状态下，直径增加构件53布置在第二位置以通过轴芯52支撑卷筒介质。版权所有（C） 2012年，JPO＆INPIT

8. 发明专利

JP2010201690A Recording medium feeder and image forming device 有权
标题翻译：记录中间送料器和图像形成装置
公开(公告)号：JP2010201690A
公开(公告)日：2010-09-16
申请号：JP2009047777
申请日：2009-03-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIMARU AKITO , MORINAGA SHIGERU , TOKUNAGA ATSUO , MIYAMOTO YOSHIO
IPC分类号： B41J15/16 , B41J15/00 , B41J15/04 , B65H16/06
摘要： PROBLEM TO BE SOLVED: To prevent a recording medium from being sagged, and to stably convey the recording medium, without generating a skew error, and to provide simple constitution of a long life.
SOLUTION: This recording medium feeder includes a pair of flange members 1 with a diameter smaller than the maximum diameter of a roll paper sheet 2, two front rollers 5 for holding freely rotatably the flange members, a pair of support roller sets comprising a rear roller 24, with one thereof movable along a longitudinal direction of the roll paper sheet 2, a paper sheet supply roller 6 for feeding out the recording medium from the roll paper sheet 2 to a printing part, a paper sheet supply motor 7 for driving the roll paper sheet 2, a rerolling roller 4 engaged with the front rollers 5 and for driving the flange members 1 along a rerolling direction of the recording medium for a prescribed time, a conveying guide 10 for imparting a tension onto a paper sheet with respect to the printing part, and a spring 11. The rerolling roller 4 includes a one-way clutch 27 for transmitting only a rerolling-directional driving force from the paper sheet supply motor 7, to be longer than the maximum separation distance between the both support roller sets, and the conveyance of the recording medium in a portion related to a printing operation is stopped during an operation of the printing part, to rotate alternately the paper sheet supply motor 7 normally and reversely.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止记录介质下垂，并且稳定地传送记录介质而不产生偏斜误差，并且提供长寿命的简单结构。解决方案：该记录介质进料器包括直径小于卷纸2的最大直径的一对凸缘件1，两个用于保持凸缘部件可自由旋转的前辊5，一对支承辊组，包括一个后辊24，其中一个可沿着卷纸2的纵向方向移动;纸张供给辊6，用于将卷纸纸2的记录介质送出到打印部;纸张供给马达7，用于驱动卷纸2，与前辊5接合并沿着记录介质的再卷绕方向驱动凸缘部件1达到规定时间的再卷辊4，用于将张力赋予纸张的输送导向件10，相对于打印部件和弹簧11.再滚筒4包括单向离合器27，用于仅从纸张供应马达7传送重新卷绕的方向驱动力，使其长于最大在打印部件的操作期间，两个支撑辊组之间的间隔距离和与打印操作相关的部分中的记录介质的传送被停止，从而正常和反向地交替地转动供纸马达7。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2013237509A Roll medium holding mechanism, sheet feeding device, and image forming apparatus 有权
标题翻译：滚筒介质保持机构，进纸装置和图像形成装置
公开(公告)号：JP2013237509A
公开(公告)日：2013-11-28
申请号：JP2012110073
申请日：2012-05-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU
IPC分类号： B65H16/10 , B41J15/04 , B65H26/00
摘要： PROBLEM TO BE SOLVED: To provide a roll medium holding mechanism which can easily detect a diameter of a core tube of a roll medium while minimizing erroneous detection.SOLUTION: When a roll medium holding mechanism is attached to a recording device body 1 in a state where the supporting member 14 is stored inside a receiving portion 12b of a holding member 12, because a supporting member striking portion 14a formed in a vicinity of a rotation supporting point 14b of the supporting member 14 does not contact a transmission member 16, and a rotating member 17 is not pushed by the transmission member 16, the rotating member 17 does not contact a detecting unit 18 when the roll medium holding mechanism is attached to the recording device body, so that it is possible to detect that a core tube 10b of a sheet roll 30 does not have a large diameter. When the supporting member 14 is put between an inner periphery face of the core tube 10b and an elastic member 15 on a shaft core portion 12a, the supporting member striking portion 14a of the supporting member 14 displaces the transmission member 16, the rotating member 17 is pushed by movement of the transmission member 16, and the detecting unit 18 abuts on the transmission member 16, so that it is detected that the core tube 10b of the sheet roll 30 has a large diameter.
摘要翻译：要解决的问题：提供一种能够容易地检测卷筒介质的芯管的直径的卷筒介质保持机构，同时最小化错误检测。解决方案：当辊状介质保持机构以状态附接到记录装置主体1时由于在支撑部件14的旋转支撑点14b附近形成的支撑部件撞击部14a不与传递部件16接触，所以支撑部件14被容纳在保持部件12的容纳部12b的内部，旋转构件17未被传动构件16推动，当辊式介质保持机构安装在记录装置主体上时，旋转构件17不接触检测单元18，从而可以检测出旋转构件17的芯管10b 片卷30的直径不大。当支撑构件14放置在芯管10b的内周面和轴芯部分12a之间的弹性构件15上时，支撑构件14的支撑构件击打部分14a使传动构件16，旋转构件17 被传动构件16的移动推动，并且检测单元18抵靠在传动构件16上，从而检测到片卷30的芯管10b具有大的直径。

10. 发明专利

JP2011213487A Roll paper driving device and image forming device 有权
标题翻译：卷纸驱动装置和图像形成装置
公开(公告)号：JP2011213487A
公开(公告)日：2011-10-27
申请号：JP2010267550
申请日：2010-11-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORINAGA SHIGERU , WAKAMATSU KAZUHIRO , YAMADA MASAHIKO , NIIHARA TAKAYUKI , MAEYAMA YUICHIRO , OGAWA MASAHITO
IPC分类号： B65H16/10 , B41J15/16
CPC分类号： B65H18/08 , B65H16/08 , B65H16/103 , B65H18/023 , B65H18/26 , B65H2301/41374 , B65H2402/545 , B65H2403/10 , B65H2403/512 , B65H2403/942 , B65H2513/30 , B65H2801/12 , B65H2801/36
摘要： PROBLEM TO BE SOLVED: To improve set work efficiency when replacing roll paper, by carrying the roll paper without looseness, even in braking and unwinding operation in intermittent carrying.SOLUTION: This roll paper driving device includes support rollers 11a and 11b for supporting a core pipe 21 of rolling paper in the core pipe 21, a driving roller 12 for imparting driving force in the direction for winding the paper while pressurizing the core pipe 21, a driving force transmission mechanism 24 for rotating the driving roller 12 and a stay for installing the support roller 11a. The driving roller 12 is arranged inside the core pipe 21 and in a triangle of connecting the support rollers 11a and 11b and the center of the core pipe 21, and vertically moves or rotates a driving side pressurizing arm 18A for driving the driving roller 12.
摘要翻译：要解决的问题：即使在间歇携带时的制动和退绕操作中，也可以通过携带卷筒纸来提高替换卷纸的设定工作效率。解决方案：该卷筒纸驱动装置包括用于支撑芯部的支撑辊11a和11b 芯管21中的卷纸管21，用于在对芯管21加压的同时向纸张的卷绕方向施加驱动力的驱动辊12，用于使驱动辊12旋转的驱动力传递机构24和用于安装的停留支撑辊11a。驱动辊12布置在芯管21的内部并且连接支撑辊11a和11b以及芯管21的中心的三角形中，并且垂直移动或旋转用于驱动驱动辊12的驱动侧加压臂18A。

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