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1. 发明专利

JP2012179815A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012179815A
公开(公告)日：2012-09-20
申请号：JP2011044736
申请日：2011-03-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： B41J2/175
摘要： PROBLEM TO BE SOLVED: To solve such a problem that a waste liquid remains at the lower end of a suction cap, and it adheres to a nozzle face again or drips down in the apparatus from the suction cap when the nozzle face of a recording head is arranged in the vertical direction.SOLUTION: A suction cap 91 has: a first cap part 291, which has a first nip part 291a surrounding the whole of nozzle trains 242 and abutting on a nozzle face 240 and forms a first chamber 301 between the first cap part 291 and the nozzle face 240; and a second cap part 292, which has a second nip part 292a surrounding a region around the region in which nozzles 240 are not formed and abutting on the nozzle face 240 and forms a second chamber 302 between an outer circumferential surface of the first cap part 291, and the nozzle face 240. The second nip part 292a is formed projected to the nozzle face 240 in the nozzle face 240 direction than the first nip part 291a. A suction pump 96 is connected to the first chamber 301, and a booster pump 99 is connected to the second chamber 302.
摘要翻译：要解决的问题：为了解决这样的问题：废液保留在吸气帽的下端，并且当吸嘴的喷嘴面被吸附时，它再次粘附到喷嘴面或者从吸盘上滴落在设备中记录头沿垂直方向排列。抽吸盖91具有：第一盖部分291，其具有包围整个喷嘴列242的第一夹持部分291a并且邻接在喷嘴面240上，并在第一盖部分291之间形成第一室301 和喷嘴面240; 以及第二帽部分292，其具有第二夹持部分292a，第二夹持部分292a围绕喷嘴240未形成的区域周围，并且在喷嘴面240上邻接并在第一帽部分的外圆周表面之间形成第二腔室302 291和喷嘴面240.第二夹持部292a比第一夹持部291a在喷嘴面240方向上突出到喷嘴面240a。抽吸泵96连接到第一室301，并且增压泵99连接到第二室302.版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012051303A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012051303A
公开(公告)日：2012-03-15
申请号：JP2010197230
申请日：2010-09-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUBARA MITSUYA , TANAKA AKIYOSHI , ITO YOICHI , KATO TOMOKI , KIKUKAWA FUMITAKA , PARK SOYOUNG , YAMANAKA KUNIHIRO , SUZUKI KAZUYOSHI , TAKANO KUNIKAZU , JO HONRIKU , TANAKA YUJI , ENDO SATOSHI
IPC分类号： B41J2/18 , B41J2/165 , B41J2/185
CPC分类号： B41J2/16508 , B41J2/16523 , B41J2/175 , B41J2/18 , B41J29/38 , B41J2002/16594
摘要： PROBLEM TO BE SOLVED: To solve problems wherein, when a negative pressure in a cap is reduced, air flows in a suction cap from a waste liquid tank side through a discharge path and air bubbles are generated in the cap, and color mixture or the like occurs.SOLUTION: The image forming apparatus includes: a recording head 24 having a nozzle face 124 on which nozzles that discharge liquid droplets are formed; the suction cap 92a for capping the nozzle face 124 of the recording head 24; the discharge path 191 connected to the suction cap 92a; a suction pump 96 provided in the discharge path 191 and formed of a tube pump; and an atmosphere opening port 193 for opening an airtight space, created when the nozzle face 124 is capped by the suction cap 92a, to an atmosphere. The atmosphere opening port 193 is communicated with the inside of the cap 92a at a position higher than a surface of liquid discharged into the suction cap 92a, and a check valve 196 for preventing a flow of liquid toward the cap 92a from the suction pump 96 is provided in the discharge path 191.
摘要翻译：解决问题的方案为了解决如下问题：当帽中的负压减小时，空气在废液罐侧通过排出路径从吸液帽流出，并且在盖中产生气泡，并且颜色混合物等发生。图像形成装置包括：具有喷嘴面124的记录头24，喷嘴液面形成有喷嘴; 用于封盖记录头24的喷嘴面124的吸附盖92a; 连接到吸入盖92a的排出路径191; 设置在排出路径191中并由管式泵构成的抽吸泵96; 以及当喷嘴面124被吸盘盖92a盖住时产生的气密空间的大气开放口193到大气。大气开放口193在帽92a的内部与排出到吸入帽92a的液体的表面相比高的位置连通，以及止回阀196，用于防止液体从吸引泵96向帽92a流动设置在排出路径191中。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011191561A Transfer device and image forming apparatus 审中-公开
标题翻译：传输设备和图像形成设备
公开(公告)号：JP2011191561A
公开(公告)日：2011-09-29
申请号：JP2010058419
申请日：2010-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide a transfer device that brings a transfer material in uniform contact with an image carrier, and prevents biasing or distortion of a transfer medium.
SOLUTION: The transfer device 5 includes a transfer member that comes in contact with the image carrier 1 to transfer a toner image formed on the surface of the image carrier, to the transfer medium. The transfer member is divided into a plurality of members, and each of the plurality of divided members is freely rotatable. Specifically, the divided transfer members are at least three of more transfer rollers 5a, 5b and 5c. The divided transfer rollers 5a, 5b and 5c are arranged on the same axis so as to come in contact with the surface of the image carrier 1, and freely rotatable independently from one another. By freely rotatably disposing the transfer rollers, the transfer rollers may rotate independently, accordingly. Even when the transfer medium having different width passes through a contact portion between the image carrier and each of the transfer rollers, the transfer rollers are driven without difficulty, then, the transfer medium can be satisfactorily conveyed.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种使转印材料与图像载体均匀接触的转印装置，并且防止转印介质的偏移或变形。转印装置5包括与图像载体1接触以将形成在图像载体的表面上的调色剂图像转印到转印介质的转印部件。传送构件被分成多个构件，并且多个分割构件中的每一个可自由旋转。具体地说，分割的转印件是至少三个更多的转印辊5a，5b和5c。分割的转印辊5a，5b和5c布置在相同的轴线上以便与图像载体1的表面接触，并且可以彼此独立地自由旋转。通过可自由地设置转印辊，转印辊可以独立地旋转。即使当具有不同宽度的转印介质通过图像载体和每个转印辊之间的接触部分时，转印辊被驱动没有困难，则可以令人满意地传送转印介质。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2013195745A Powder storage container 有权
标题翻译：粉末储存容器
公开(公告)号：JP2013195745A
公开(公告)日：2013-09-30
申请号：JP2012063341
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： G03G15/08 , B65D83/06
摘要： PROBLEM TO BE SOLVED: To provide a powder storage container that can be made large while suppressing the cost and can suppress a decrease in conveying function for powder.SOLUTION: In a toner bottle 7, a spiral first projection 71c provided to an inner peripheral surface of a first container 71 and a spiral second projection 72c provided to an inner peripheral surface of a second container 72 are set to the same spiral direction. Further, a first screw thread 71f formed on an inner peripheral side of the other end 71d of the first container and a second screw thread 72f formed on an inner peripheral side of one end 72d of the second container 72 are set to the same spiral direction with the first projection 71c and second projection 72c.
摘要翻译：要解决的问题：提供一种能够在抑制成本的同时可以制造大的粉末储存容器，并且可以抑制粉末的输送功能的降低。解决方案：在调色剂瓶7中，设置在内周面的螺旋形第一突起71c 第一容器71和设置在第二容器72的内周面上的螺旋状的第二突起72c被设定为相同的螺旋方向。此外，形成在第一容器的另一端71d的内周侧的第一螺纹71f和形成在第二容器72的一端72d的内周侧的第二螺纹72f被设定为相同的螺旋方向第一突起71c和第二突起72c。

5. 发明专利

JP2012071572A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012071572A
公开(公告)日：2012-04-12
申请号：JP2011004438
申请日：2011-01-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI , KIKUKAWA FUMITAKA , JO HONRIKU , PARK SOYOUNG
IPC分类号： B41J2/165 , B41J2/18 , B41J2/185
摘要： PROBLEM TO BE SOLVED: To effectively remove a waste liquid attached to a wiper member for wiping a nozzle surface in a vertical direction.SOLUTION: The wiper member 93 wipes the nozzle surface 124 of a recording head 24 from an upper side toward a lower side in the height direction, is restored by elasticity when removing a lower end of the nozzle surface 124 and blows off wiped waste ink 301 toward obliquely downward from the nozzle surface. A receiving member 390 for receiving the wiped waste ink 301 blown off from the wiper member 93 is arranged lower than the recoding head 24 in a direction along the nozzle surface 124.
摘要翻译：要解决的问题：为了有效地除去附着在擦拭器部件上的用于在垂直方向上擦拭喷嘴表面的废液。解决方案：擦拭器构件93从记录头24的高度方向的上侧向下侧擦拭记录头24的喷嘴表面124，当除去喷嘴表面124的下端并吹掉擦拭时，弹性恢复废墨301从喷嘴表面向下倾斜。用于接收从擦拭器构件93吹出的擦拭废墨301的接收构件390沿着喷嘴表面124的方向布置成低于记录头24.版权所有（C）2012，JPO和INPIT

6. 发明专利

JP2013000954A Head cleaning device and image forming apparatus 审中-公开
标题翻译：头清洁装置和图像形成装置
公开(公告)号：JP2013000954A
公开(公告)日：2013-01-07
申请号：JP2011133197
申请日：2011-06-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： B41J2/165 , B05C5/00 , B05C11/10
摘要： PROBLEM TO BE SOLVED: To provide a head cleaning device preventing adhesion of ink, and to provide an image forming apparatus with the same.SOLUTION: The head cleaning device includes: a wiping member moving from an upper side to a lower side along a vertical nozzle surface of a recording head discharging ink droplets horizontally to wipe ink on the nozzle surface; and a guide member installed at a lower end of the recording head to be flush with the nozzle surface, abutting on the wiping member after wiping of the nozzle surface is completed and comprising an elastic material having rigidity at least higher than that of the wiping member.
摘要翻译：要解决的问题：提供防止油墨粘附的头部清洁装置，并提供具有该清洁装置的图像形成装置。头部清洁装置包括：擦拭部件沿着记录头的垂直喷嘴表面从上侧向下侧移动，水平地排放墨滴以擦拭喷嘴表面上的墨; 并且安装在记录头的下端以与喷嘴表面齐平的引导构件完成了在擦拭喷嘴表面之后抵靠在擦拭构件上的引导构件，并且包括具有至少高于擦拭构件的刚性的弹性材料。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2007101817A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007101817A
公开(公告)日：2007-04-19
申请号：JP2005290524
申请日：2005-10-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： G03G15/16 , G03G15/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus having a transfer output control means designed such that at least a two tarts of the leading end part of transfer paper and the rest of it can be separately controlled in terms of transfer output, a predetermined transfer output is assigned to the leading end of the transfer paper according to conditions for the transfer paper, and based on a gradation reproduction system selected by a selection means, the rest of the transfer paper is controlled so that a transfer current has a specific value suitable for transfer efficiency. SOLUTION: The image forming apparatus includes a transfer device 2 for transferring a toner image, formed on the image carrier 1, onto transfer paper, and a separation device 3 for separating the transfer paper 7, subjected to the transfer, from the image carrier 1. In the image forming apparatus, a transfer output control means 2 is capable of separately controlling at least the leading end part of the transfer paper and the rest of the transfer paper in terms of transfer output. The predetermined transfer output is assigned to the leading end part of the transfer paper according to conditions for the transfer paper. Based on one of the gradation reproduction systems, selected according to a document type, the rest of the transfer paper is controlled so that the transfer current has the predetermined value suitable for transfer efficiency. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有转印输出控制装置的图像形成装置，该转印输出控制装置设计成使得转印纸的前端部分和其余部分的至少两个馅饼可以根据转印输出被单独控制，根据转印纸的条件将预定的传送输出分配给转印纸的前端，并且基于由选择装置选择的灰度再现系统，控制转印纸的其余部分，使得转印电流具有适合传输效率的特定值。解决方案：图像形成装置包括用于将形成在图像载体1上的调色剂图像转印到转印纸上的转印装置2和用于将经转印的转印纸7从该转印纸分离的分离装置3 图像载体1.在图像形成装置中，传送输出控制装置2能够根据传送输出分别至少控制转印纸的前端部分和转印纸的其余部分。根据转印纸的条件，将预定的转印输出分配给转印纸的前端部分。基于根据文档类型选择的灰度再现系统之一，控制转印纸的其余部分，使得转印电流具有适合于传送效率的预定值。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006251408A Transfer paper guide device 审中-公开
标题翻译：转移纸张指南装置
公开(公告)号：JP2006251408A
公开(公告)日：2006-09-21
申请号：JP2005068251
申请日：2005-03-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： G03G15/14 , B65H29/56 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To prevent toner for use in development from sticking to a transfer paper from a guide means like a spur member. SOLUTION: A transfer paper guide device includes; a separating and discharging means 9 which separates a transfer paper P, to which a toner image on a photoreceptor 1 has been transferred, from the photoreceptor by discharge; a separating claw 2 which is disposed below the separating and discharging means 9 so as to freely come into contact with and go away from the photoreceptor 1 and separates the transfer paper P from the photoreceptor 1; a fixing means 13 which is disposed below the separating claw 2 and fixes the toner image on the transfer paper P; a guide plate 12 which is disposed between the separating claw 2 and the fixing means 13 and guides the transfer paper P to the fixing means 13; and a freely rotatable guide wheel 3 which has a plurality of projecting parts 3a formed on a peripheral surface thereof and is controlled to move the guide plate 12 in directions of coming into contact and going away from a transfer surface of the carried transfer paper P. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：防止用于显影的调色剂从诸如支柱构件的引导装置粘附到转印纸上。转印纸引导装置包括：分离和排出装置9，其通过放电将感光体1上的调色剂图像转印到其上的转印纸P分离; 分离爪2，其设置在分离和排出装置9的下方，以便与感光体1自由接触并远离感光体1，并将转印纸P与感光体1分离; 固定装置13，其设置在分离爪2的下方并将调色剂图像固定在转印纸P上; 引导板12，其设置在分离爪2和固定装置13之间，并将转印纸P引导到定影装置13; 以及可自由旋转的导轮3，其具有形成在其周面上的多个突起部分3a，并被控制成使引导板12沿着携带的转印纸P的转印面接触并远离的方向移动。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2004037976A Image forming apparatus 有权
公开(公告)号：JP2004037976A
公开(公告)日：2004-02-05
申请号：JP2002196901
申请日：2002-07-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ENDO SATOSHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To reduce a difference in image density between a double developing area and the other developing area to make an image density uniform in an image forming apparatus having a plurality of developer carrier arranged zigzag. SOLUTION: The image forming apparatus is provided with a developing device 4 which has a photoreceptor body 1 and developing rolls 11A, 11B, and 11C provided zigzag in a direction orthogonal to the rotating direction of the body 1 in opposition to the body 1 and supplies a developer carried on surfaces of developing rolls 11A, 11B, and 11C to a latent image formed on the body 1 in a developing area to develop the latent image throughout the body 1. The supply quantity of the developer supplied from developing rolls 11A, 11B, and 11C to the body 1 is made difference between a double developing area 16 where developing rolls 11A, 11B, and 11C overlap to perform double development and the other developing area 17 so that the same density can be obtained in the double developing area 16 and the other developing area 17. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2012056148A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012056148A
公开(公告)日：2012-03-22
申请号：JP2010200376
申请日：2010-09-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： PARK SOYOUNG , TANAKA AKIYOSHI , ITO YOICHI , KATO TOMOKI , MATSUBARA MITSUYA , YAMANAKA KUNIHIRO , SUZUKI KAZUYOSHI , KIKUKAWA FUMITAKA , TAKANO KUNIKAZU , JO HONRIKU , ENDO SATOSHI , TANAKA YUJI
IPC分类号： B41J2/165
摘要： PROBLEM TO BE SOLVED: To solve the problem that a color-mixed ink is easily pushed into nozzles, thereby deteriorating image quality when a nozzle surface that is vertically arranged and is having nozzle lines for ejecting different colored liquids is wiped out.SOLUTION: An image forming apparatus includes: a wiper member 93 for wiping out the nozzle surface 124 of a recording head 24; and ink guide members 393, 393 arranged downstream in a wiping direction of the wiper member 93 and having an end portion 393a facing the nozzle lines Na, Nb of the recording head 24 in a prescribed interval. The ink guide member 393 moves before the wiper member 93, and transfers the ink 301 remaining in the nozzle surface 124 to an end portion 393a to be removed.
摘要翻译：解决问题：为了解决将彩色混合墨水容易地推入喷嘴的问题，当垂直排列并具有用于喷射不同颜色液体的喷嘴线的喷嘴表面被擦除时，图像质量下降。解决方案：图像形成装置包括：刮擦构件93，用于擦拭记录头24的喷嘴表面124; 以及布置在擦拭器构件93的擦拭方向下游的油墨引导构件393,393，并且具有与规定间隔内的记录头24的喷嘴线Na，Nb相对的端部393a。墨水引导构件393在擦拭器构件93之前移动，并且将留在喷嘴表面124中的墨水301传送到要移除的端部393a。版权所有（C）2012，JPO＆INPIT

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