会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 22. 发明专利
    • Rolled paper supply device and image forming apparatus
    • 卷纸供应装置和图像形成装置
    • JP2011005721A
    • 2011-01-13
    • JP2009150819
    • 2009-06-25
    • Ricoh Co Ltd株式会社リコー
    • NAKADA KIKUYAYOSHIMARU AKITOTOKUNAGA ATSUOMIYAMOTO YOSHIOMORINAGA SHIGERUHARASAWA YUSUKEUEHARA KENTAROHIRATA SATOSHI
    • B41J15/16B65H23/08B65H23/185
    • B65H16/10B65H18/10B65H2403/72B65H2403/942B65H2513/30B65H2801/12B65H2801/36
    • PROBLEM TO BE SOLVED: To provide a flange type rolled paper supply device that can stably convey rolled paper while preventing occurrence of sagging of the rolled paper and can suppress a load of an electric motor to reduce power consumption.SOLUTION: This rolled paper supply device 5 can supply paper from rolled paper to an image forming apparatus 23 that forms an image on rolled paper 2. The rolled paper supply device 5 includes a forward conveyance mechanism 32 that transmits, from a driving source 31 to the rolled paper 2, a driving force for conveying paper in an advancing direction from the rolled paper 2, a rolled paper driving mechanism 33 that transmits the driving force to the rolled paper 2, a rewinding mechanism 35 that rewinds paper to the rolled paper 2 by conveying the paper in a direction opposite to the advancing direction via the rolled paper driving mechanism 33, and a regenerative mechanism 34 that regenerates a driving force to the driving source 31 in such a manner that the rolled paper drive mechanism 33 which is applied with a driving force in the forward direction by the paper conveyed in the forward direction from the rolled paper 2, transmits the applied driving force to the forward conveyance mechanism 32.
    • 要解决的问题:提供一种能够稳定地输送卷筒纸的法兰式卷纸供给装置,同时防止卷纸的下垂的发生,并且可以抑制电动机的负载以降低功耗。解决方案:该卷筒纸供给装置 5可以将卷纸的纸张提供到在卷纸2上形成图像的图像形成装置23.卷纸供给装置5包括向前传送机构32,其从驱动源31向卷纸2传送驱动 从轧制纸2向前进方向输送纸张的力,将驱动力传递到卷纸2的卷纸驱动机构33,通过沿纸张方向传送纸张将纸张回卷到卷纸2的倒带机构35 通过卷筒纸驱动机构33与前进方向相反的再生机构34,再生机构34,其以这种方式再生驱动力到驱动源31 r表示通过从卷纸2向前方传送的纸向前方施加驱动力的卷纸传送机构33将施加的驱动力传递到前进传送机构32。
    • 23. 发明专利
    • Roll medium holding mechanism, roll paper feeder, and image forming apparatus
    • 卷筒纸保持机构,卷纸机,图像形成装置
    • JP2013100154A
    • 2013-05-23
    • JP2011243952
    • 2011-11-07
    • Ricoh Co Ltd株式会社リコー
    • MORINAGA SHIGERU
    • B65H16/06B41J15/04
    • PROBLEM TO BE SOLVED: To provide a roll medium holding mechanism in which a position of a support member is regulated without provision of a locking mechanism for the support member, enabling prevention of movement of the support member.SOLUTION: A flange 12 as a holding member is composed by a shaft core part 12a in contact with an inner circumference of a core tube 10b of roll paper 10a for supporting it and a guide part 12b in contact with an end surface 10c of the roll paper 10a. The flange 12 is provided with a plurality of support members 14 which opens/closes in the radial direction, at a plurality of locations in the circumferential direction. When the roll paper 10a whose core tube 10b has a large inner diameter is mounted to the flange 12, the support member 14 abuts to the outer circumferential surface of the shaft core part 12a and the inner circumferential surface of the core tube 10b, and if the diameter of the core tube 10b is small, the support member 14 is moved causing an end of the core tube 10b to abut to the support member 14, thus regulating a retracted position of the support member 14.
    • 要解决的问题:提供一种辊式介质保持机构,其中调节支撑构件的位置而不设置用于支撑构件的锁定机构,从而能够防止支撑构件的移动。 解决方案:作为保持构件的凸缘12由与用于支撑的卷纸10a的芯管10b的内周接触的轴芯部12a和与端面10c接触的引导部12b构成 的卷纸10a。 凸缘12设置有沿圆周方向的多个位置沿径向打开/关闭的多个支撑构件14。 当芯管10b的内径大的卷纸10a安装在凸缘12上时,支承部件14与轴芯部12a的外周面和芯管10b的内周面抵接,如果 芯管10b的直径小,支撑构件14移动,使芯管10b的端部抵靠支撑构件14,从而调节支撑构件14的缩回位置。版权所有(C) )2013,JPO&INPIT
    • 24. 发明专利
    • Method for correcting roll paper skew and image forming apparatus
    • 用于校正滚筒纸和图像形成装置的方法
    • JP2012126527A
    • 2012-07-05
    • JP2010280342
    • 2010-12-16
    • Ricoh Co Ltd株式会社リコー
    • NAKATA KIKUYANIIHARA TAKAYUKIMORINAGA SHIGERU
    • B65H23/038B41J15/04B41J15/16B65H20/04B65H23/06
    • PROBLEM TO BE SOLVED: To provide a method for correcting a roll paper skew that can efficiently correct the skew for a short time, and to provide an image forming apparatus.SOLUTION: The method includes: an image forming part 2 that forms an image on recording paper; a resist roller 34 that conveys the roll paper as recording paper toward the image forming part 2; and a back tension applying means that applies a conveyance load to the conveyance of the resist roller 34. The method intermittently conveys the roll paper by controlling the drive of the resist roller 34 and accelerates the roll paper until a target speed at high acceleration at the time and decelerates the resist roller 34 during the acceleration.
    • 要解决的问题:提供一种用于校正能够在短时间内有效地校正歪斜的卷纸偏斜的方法,并提供图像形成装置。 解决方案:该方法包括:在记录纸上形成图像的图像形成部分2; 将卷筒纸作为记录纸传送到图像形成部分2的阻挡辊34; 以及向阻力辊34的输送施加输送负荷的背张力施加机构。该方法通过控制阻力辊34的驱动来间歇地输送卷纸,并加速卷纸,直到在高加速度下的目标速度 在加速期间使阻力辊34减速。 版权所有(C)2012,JPO&INPIT
    • 25. 发明专利
    • Roll medium holding mechanism, roll sheet feeder, and image forming apparatus
    • 滚筒式保持机构,滚轮进给器和图像形成装置
    • JP2012066932A
    • 2012-04-05
    • JP2010215582
    • 2010-09-27
    • Ricoh Co Ltd株式会社リコー
    • MORINAGA SHIGERUWAKAMATSU KAZUHIRONIIHARA TAKAYUKINAKADA KIKUYA
    • B65H16/06B41J15/04
    • PROBLEM TO BE SOLVED: To provide a roll medium holding mechanism capable of regulating positional displacement to a spool of the roll recording medium or the holding member thereof without separately preparing a mechanism for locking the same recording medium to the spool.SOLUTION: The mechanism holds a roll sheet 30 being a recording medium in a spool. A flange 31 is supported movably in an axial direction of a shaft member 36 of the spool. A shaft central core 40 for holding includes a cylindrical part inserted into the end of shaft member 36, pilot guides 42 projecting toward an outer periphery in a radial direction to abut on an inner surface of a central core tube of the roll sheet 30, and a plurality of elastic members 43 arranged between the pilot guides. The elastic members 43 are deformable in the radial direction of the roll sheet 30, and in a state that it is attached to the shaft member 36 of the roll sheet 30, the elastic member 43 abut also on the shaft member 36 in addition to the inner periphery surface of the central core tube 30a of the roll sheet 30 to impart abutment pressure and regulates displacement in the axial direction of the flange 31 and the axial direction of the shaft member 36 of the shaft central core 40.
    • 要解决的问题:提供一种能够调节与辊记录介质或其保持构件的卷轴的位置位移的卷筒介质保持机构,而无需单独地准备用于将相同的记录介质锁定到卷轴的机构。 解决方案:机构将作为记录介质的卷片30保持在卷轴中。 凸缘31沿轴线的轴构件36的轴向可移动地支撑。 用于保持的轴中心芯40包括插入轴构件36的端部的圆柱形部分,沿径向向外周突出的导向引导件42,以抵靠在卷片30的中心芯管的内表面上,以及 布置在引导引导件之间的多个弹性部件43。 弹性部件43能够在卷片30的径向上变形,并且在将其安装在卷片30的轴部件36的状态下,弹性部件43除了 辊片30的中央芯管30a的内周面,以赋予抵接压力并调节凸缘31的轴向位移和轴中心芯40的轴构件36的轴向方向。版权所有: (C)2012,JPO&INPIT
    • 26. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2011167866A
    • 2011-09-01
    • JP2010031691
    • 2010-02-16
    • Ricoh Co Ltd株式会社リコー
    • YAMADA MASAHIKONIIHARA TAKAYUKIMAEYAMA YUICHIROOGAWA MASAHITOMORINAGA SHIGERU
    • B41J19/04B41J19/20
    • PROBLEM TO BE SOLVED: To suppress deterioration in the quality of an image caused by vibration of an apparatus body by impact loading at acceleration and deceleration of a carriage.
      SOLUTION: The image forming apparatus includes: the carriage 2 for carrying a recording head 10; a guide rod 3 and a sub-guide 4 for supporting the carriage 2 in the main scanning direction so as to be freely slidable; a carriage driving unit 5 for moving the carriage 2 in the main scanning direction; a main scanning frame 6 for supporting the guide rod 3 and the sub-guide 4 and supporting the carriage driving unit 5 in the main scanning direction so as to be movable in a definite range; limiting mechanisms 7A and 7B for switching the carriage driving unit 5 to a movable condition and to a fixed condition. The limiting mechanisms 7 make the carriage driving unit 5 to the movable condition during accelerating and decelerating, and switch the unit to the fixed condition when an image is formed.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过在滑架的加速和减速时的冲击载荷来抑制由装置主体的振动引起的图像质量的劣化。 解决方案:图像形成装置包括:用于承载记录头10的托架2; 导向杆3和副导向件4,用于在主扫描方向上支撑托架2以便可自由滑动; 滑架驱动单元5,用于沿主扫描方向移动托架2; 主扫描框架6,用于支撑导杆3和副导向件4,并且在主扫描方向上支撑滑架驱动单元5,以便能够在一定范围内移动; 用于将滑架驱动单元5切换到可移动状态和固定状态的限制机构7A和7B。 限位机构7使滑架驱动单元5在加速和减速期间处于可移动状态,并且当形成图像时将单元切换到固定状态。 版权所有(C)2011,JPO&INPIT
    • 27. 发明专利
    • Sheet feeder and image forming apparatus
    • 纸张进纸器和图像形成装置
    • JP2011062820A
    • 2011-03-31
    • JP2009212895
    • 2009-09-15
    • Ricoh Co Ltd株式会社リコー
    • MIYAMOTO YOSHIOYOSHIMARU AKITOTOKUNAGA ATSUOMORINAGA SHIGERU
    • B41J15/04B65H20/02B65H23/10
    • B41J15/046B41J15/165B65H23/16
    • PROBLEM TO BE SOLVED: To provide a sheet feeder suppressing the occurrence of conveyance failures due to the fact that a sheet unreeled from a paper roll on a registration roller and to provide an image forming apparatus provided with the sheet feeder.
      SOLUTION: The sheet feeder includes: the rolled paper obtained by winding the sheet in a roll form; a feed roller to unreel the sheet from the rolled paper and feed the sheet; the registration roller to transport the sheet unreeled by the feed roller to an image forming unit for forming an image on the sheet; a guide member to guide the sheet to the registration roller, disposed to be displaced with respect to an apparatus body, between the feed roller and the registration roller in a sheet conveyance path; and a bias means to bias the guide member toward the sheet. The guide member is pressed by the sheet against bias force exerted by the bias means, to be displaced, so that the sheet conveyance path becomes a path where the winding angle of the sheet with respect to the registration roller is larger, as the tension of the sheet is larger.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种片材进给器,其抑制由于在定位辊上从纸卷脱离的片材以及提供具有片材进给器的图像形成装置的事实的输送故障的发生。

      解决方案:片材进给器包括:通过以片状卷绕片材而获得的卷纸; 进给辊,用于从卷纸退卷纸并进给纸; 所述定位辊将由所述进给辊未拉出的所述片材输送到用于在所述片材上形成图像的图像形成单元; 引导构件,用于在片材输送路径中将片材引导到定位辊,其布置成相对于装置主体在进给辊和对位辊之间移位; 以及偏压装置,用于将引导构件朝向片材偏压。 引导构件被抵抗由偏压装置施加的偏压力被片材挤压,以便移动,使得片材输送路径成为片材相对于对准辊的卷绕角度较大的路径,作为张力 纸张较大。 版权所有(C)2011,JPO&INPIT

    • 28. 发明专利
    • Device for carrying roll paper and image forming device
    • 用于携带卷纸和图像形成装置的装置
    • JP2011057421A
    • 2011-03-24
    • JP2009211648
    • 2009-09-14
    • Ricoh Co Ltd株式会社リコー
    • MIYAMOTO YOSHIOYOSHIMARU AKITOTOKUNAGA ATSUOMORINAGA SHIGERUNAKADA KIKUYAHARASAWA YUSUKEHIRATA SATOSHIUEHARA KENTARO
    • B65H20/02B65H23/14
    • PROBLEM TO BE SOLVED: To inexpensively achieve improvement in productivity and holding of a stopping position, by performing highly accurate low speed carrying and high speed carrying except for recording on roll paper by a single motor and a simple transmission mechanism.
      SOLUTION: In the device for carrying a roll paper, for carrying the roll paper 12 while being sandwiched between a register roller 8 and a pressurizing roller 6 while applying back tension, a small diameter belt gear 16, an intermediate diameter belt gear 20, a large diameter belt gear 21, a first belt transmission system of the low reduction gear ratio and a second belt transmission system of the high reduction gear ratio constituted of first and second belts 22 and 23, are arranged between a rotary shaft 13a of one register motor 13 and the register roller 8. A plurality of tensioners 24 and 25 are arranged to be displaceable to a position for individually applying tension to the belts 22 and 23 of the belt transmission system of its respective systems and a position for relaxing the belts 22 and 23.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了便于实现生产率的提高和停止位置的保持,除了通过单个电动机和简单的传动机构在卷纸上进行记录之外,通过执行高精度的低速携带和高速携带。 解决方案:在用于承载卷纸的装置中,为了在施加反张力的同时夹在对准辊8和加压辊6之间的同时携带卷纸12,小直径皮带齿轮16,中径皮带齿轮 如图20所示,大直径皮带齿轮21,低减速比的第一皮带传动系统和由第一和第二皮带22和23构成的​​高减速比的第二皮带传动系统设置在 一个对位电动机13和对准辊8.多个张紧器24和25布置成可移动到一个位置,用于单独向其各自系统的带传动系统的带22和23施加张力,并且放置 皮带22和23.版权所有(C)2011,JPO&INPIT
    • 29. 发明专利
    • Roll sheet feeder and image forming apparatus
    • 滚轮进纸器和图像形成装置
    • JP2010284826A
    • 2010-12-24
    • JP2009138518
    • 2009-06-09
    • Ricoh Co Ltd株式会社リコー
    • YOSHIMARU AKITOMIYAMOTO YOSHIOMORINAGA SHIGERUTOKUNAGA ATSUONAKADA KIKUYAHIRATA SATOSHIHARASAWA YUSUKEUEHARA KENTARO
    • B41J15/04
    • PROBLEM TO BE SOLVED: To provide a roll sheet feeder employing a flange system, for stably feeding the roll sheet by preventing sagging of the roll sheet due to the floating thereof, in the case of feeding the sheet from a plurality of kinds of roll sheets having mutually different inside diameters to an image forming section included in an image forming apparatus.
      SOLUTION: The roll sheet feeder includes a flange receiving part 3 which rotatably supports flange members 1a having mutually different outside diameters, each attached to the corresponding end portion of each of the roll sheets having different inside diameters, and also, on which the roll sheets having the different inside diameters are replaceable with another. The flange receiving part 3 includes: a common support roll 25 which is provided in common for respective roll sheets, and rotatably supports any one of the plurality of kinds of roll sheets in contact with the flange member 1a attached to the roll sheet; and support rolls 27 and 28 which are provided corresponding to the plurality of kinds of roll sheets, and rotatably support the roll in contact with the flange member attached to the corresponding roll sheet. Viewing from the rotating shaft direction of the roll sheet, the support rolls 27 and 28 are provided in mutually different positions.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种使用凸缘系统的卷筒纸进给器,为了通过防止卷片由于其浮动而使卷筒纸下垂而稳定地供给卷纸,在从多种类型的纸张供给的情况下 具有与图像形成装置中包括的图像形成部分相互不同的内径的卷片。 解决方案:卷筒纸进给器包括:凸缘接收部分3,其可旋转地支撑具有相互不同的外径的凸缘部件1a,每个凸缘部件分别安装在具有不同内径的每个辊片的相应端部上, 具有不同内径的卷片可以用另一种替换。 凸缘接收部3包括:公共支撑辊25,其共同设置用于各个卷片,并且可旋转地支撑与附接到卷片的凸缘部件1a接触的多种卷片中的任一种; 以及与多种卷片相对应地设置的支承辊27,28,并且可旋转地支撑与接合在相应卷片上的凸缘部件接触的辊。 从辊片的旋转轴方向观察,支撑辊27和28设置在相互不同的位置。 版权所有(C)2011,JPO&INPIT