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1. 发明专利

JP2013120205A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013120205A
公开(公告)日：2013-06-17
申请号：JP2011266696
申请日：2011-12-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , SAITO MASANORI , IKEDA KEISUKE
IPC分类号： G03G21/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can effectively prevent contamination of a recording medium and disturbance of a formed image by suppressing dew condensation occurring at heat receiving part of a cooling device.SOLUTION: An image forming apparatus comprises a fixing device 4 which fixes a toner image formed on a recording medium to the recording medium by heating it and a cooling device 5 which cools the recording medium after passing through the fixing device 4. The cooling device 5 comprises a heat receiving part 22 which receives heat and a heat radiating part 23 which radiates heat. Cooling liquid circulates in the heat receiving part 22 and the heat radiating part 23 to cool the recording medium. The heat receiving part 22 is disposed below a recording medium discharge port 17b of the fixing device 4. A duct 33 having an external opening 32 which is open to the outside of an image forming apparatus body 100 is disposed in the apparatus body 100. An internal opening 34 of the duct 33 is opened at a position above a recording medium conveying part 35 between the heat receiving part 22 and the discharge port 17b.
摘要翻译：要解决的问题：提供一种图像形成装置，其可以通过抑制在冷却装置的受热部分发生的结露来有效地防止记录介质的污染和形成的图像的干扰。解决方案：图像形成装置包括定影装置4，其通过加热将形成在记录介质上的调色剂图像定影到记录介质上;以及冷却装置5，其在通过定影装置4之后冷却记录介质。冷却装置5包括接收热量的受热部分22和散热的散热部分23。冷却液在受热部22和散热部23中循环，冷却记录介质。受热部22设置在定影装置4的记录介质排出口17b的下方。具有向图像形成装置主体100的外部开放的外部开口32的管道33设置在装置本体100中。导管33的内部开口34在受热部22和排出口17b之间的记录介质输送部35上方的位置开口。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012226046A Cooling device and image forming apparatus 有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2012226046A
公开(公告)日：2012-11-15
申请号：JP2011092039
申请日：2011-04-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITANI HIROMITSU , OKANO SATORU , SAITO MASANORI , HIRASAWA TOMOYASU , IKEDA KEISUKE , TAKEHARA KENICHI
IPC分类号： G03G21/16 , G03G21/20
CPC分类号： G03G21/206 , F28B9/08
摘要： PROBLEM TO BE SOLVED: To provide a cooling device suitable for cooling a part to be cooled which is detachable to an image forming apparatus.SOLUTION: A cooling device comprises: a heat receiving part 31 which is arranged in such a manner that it can be brought into contact with or separated from a part to be cooled which is detachable to an image forming apparatus; a heat radiating part for radiating heat of cooling liquid; a circulation path for circulating the cooling liquid between the heat receiving part and the heat radiating part; and a pump for transferring the cooling liquid inside the circulation path. In the pipeline 37 constituting the circulation path, a part 40 arranged at the side of heat receiving part 31 consists of a flexible member and other parts consist of metal member.
摘要翻译：要解决的问题：提供一种适于冷却可分解成图像形成装置的待冷却部件的冷却装置。解决方案：冷却装置包括：受热部分31，其被布置成使其能够与能够与图像形成装置分离的被冷却部分接触或分离; 用于散热的散热部件; 用于使冷却液体在所述受热部和所述散热部之间循环的循环路径; 以及用于将冷却液输送到循环路径内的泵。在构成循环路径的管路37中，配置在受热部31一侧的部分40由柔性部件和由金属部件构成的其他部分构成。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012145742A Image formation apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012145742A
公开(公告)日：2012-08-02
申请号：JP2011003757
申请日：2011-01-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , TAKEHARA KENICHI , IIJIMA YASUAKI , FUJITANI HIROMITSU , YUASA KEISUKE , OKANO SATORU , SAITO MASANORI , IKEDA KEISUKE
IPC分类号： G03G21/20 , G03G21/00 , H05K7/20
摘要： PROBLEM TO BE SOLVED: To provide an image formation apparatus having a cooling device of a liquid cooling system capable of making the image formation apparatus continue its operation while preventing liquid spill with low probability of causing a serious failure from leading to the serious failure.SOLUTION: Below the connection spot by each rubber tube 410, a slanted leakage tray 420 made of resin is disposed. A liquid amount detection sensor 421 is fixed on the lowermost surface. A water level sensor 310 is provided in a reserve tank 3. A reduced fluid volume (L1) by the water level sensor 310 and a total leakage fluid volume (L2), which is the total amount of the leakage fluid volume by the water level sensor 310 provided in each leakage tray 420 in a cooling device 10 are detected. Based on the above, presence or absence of occurrence of liquid leakage and seriousness of failure when the fluid leakage occurred are determined.
摘要翻译：要解决的问题：提供一种图像形成装置，其具有能够使图像形成装置继续其操作的液体冷却系统的冷却装置，同时防止液体溢出的可能性低，导致严重故障导致严重的失败。
解决方案：在每个橡胶管410的连接点下方，设置由树脂制成的倾斜泄漏托盘420。液量检测传感器421固定在最下面。水位传感器310设置在储备罐3中。由水位传感器310减少的流体体积（L1）和总泄漏流体体积（L2），其是泄漏流体体积的水位总量检测设置在冷却装置10中的每个泄漏托盘420中的传感器310。基于上述，确定发生流体泄漏时是否存在液体泄漏和严重性故障。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010058345A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010058345A
公开(公告)日：2010-03-18
申请号：JP2008225171
申请日：2008-09-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAYAHARA SHIN , HORIIE MASANORI , KONDO NOBUAKI , SAITO MASANORI , ISHII YASUYUKI , MURAKAMI EISAKU , NAKAGAWA YOSHINORI
IPC分类号： B41J2/385 , G03G15/05 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To solve the problem of stripe image irregularities caused in a solid image when the image is formed by a direct recording system of the configuration in which a toner carrier for carrying a toner has a plurality of electrodes and the toner is turned clouded by generating an electric field that changes in time between the electrodes. SOLUTION: The image forming apparatus has the toner carrier 1 which moves in a predetermined movement direction carrying the charged toner T and which has the plurality of electrodes 111 set at predetermined intervals in the movement direction on a surface. A bias voltage Vs is applied from a voltage applying means 6 to each electrode 111 of the toner carrier 1. The bias voltage Vs in a direction to repel a direction in which the toner T is sucked changes in potential by time. Hence the toner T is turned clouded on the toner carrier 1. A movement speed in a forward direction of the toner carrier 1 is set faster than a movement speed in a forward direction of a recording medium means 3. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了解决当通过其中用于携带调色剂的调色剂载体具有多个电极的结构的直接记录系统形成图像时在固体图像中引起的条纹图像不规则性的问题，并且通过产生电极之间的时间变化的电场，调色剂变得混浊。解决方案：图像形成装置具有调色剂载体1，该调色剂载体1沿着携带带电调色剂T的预定移动方向移动，并且在表面上沿着移动方向以预定间隔设置多个电极111。从电压施加装置6向调色剂载体1的每个电极111施加偏置电压Vs。排斥调色剂T的方向的方向上的偏置电压Vs随时间而变化。因此，调色剂T在调色剂载体1上变得浑浊。调色剂载体1的向前方向的移动速度被设定为比记录介质装置3的向前方向的移动速度快。版权所有（C））2010，JPO＆INPIT

5. 发明专利

JP2009069700A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009069700A
公开(公告)日：2009-04-02
申请号：JP2007240248
申请日：2007-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AOKI KATSUHIRO , TSUKAMOTO TAKEO , FUJITA TAKASHI , ISHII YASUYUKI , MIYAWAKI KATSUAKI , SAITO MASANORI , YASUTOMI HIROSHI , MARUYAMA HITOSHI
IPC分类号： G03G15/01 , G03G15/24
CPC分类号： G03G15/0131 , G03G2215/0164 , G03G2215/1695
摘要： PROBLEM TO BE SOLVED: To solve the problem that in an image forming apparatus that superposes toners of different colors on a single image carrier (photoreceptor) to perform development, if toner layers are excessively present on the image carrier, the superposition is difficult in a developing process due to the potentials of the toner layers and the light shield effect, as a result, the potentials of the toner layers decrease and optical transparency is not ensured.
SOLUTION: The apparatus includes: toner layer low filling rate setting means which forms toner layers so as to have optical transparency by means of laser beams 3-1 and 3-2 during the formation of toner layers formed from toner images on the photoreceptor 1 and so as to obtain a predetermined toner layer filling rate that is relatively low; and rolling rate adjusting means that rolls the toner images at a predetermined rolling rate according to the toner layer filling rate set by the toner layer low filling rate setting means during the transfer of the toner images to a transfer fixing belt 6.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决在单个图像载体（感光体）上叠加不同颜色的调色剂以进行显影的图像形成装置中，如果图像载体上过度存在调色剂层，则叠加是由于调色剂层的电位和遮光效应，在显影过程中难以进行，因此调色剂层的电位降低，并且不能保证光学透明性。解决方案：该装置包括：调色剂层低填充率设定装置，其形成调色剂层，以便在由形成由调色剂图像形成的调色剂层时由激光束3-1和3-2具有光学透明性感光体1，以获得相对较低的预定调色剂层填充率; 和滚动速率调节装置，其在调色剂图像转印到转印定影带6期间，根据由调色剂层低填充率设定装置设定的调色剂层填充率，以预定的滚动速度滚动调色剂图像。（C）2009，JPO＆INPIT

6. 发明专利

JP2009039977A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009039977A
公开(公告)日：2009-02-26
申请号：JP2007208599
申请日：2007-08-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HORIIE MASANORI , KATANO YASUO , SAITO MASANORI , KONDO NOBUAKI , KAYAHARA SHIN
IPC分类号： B41J2/385 , G03G15/05
摘要： PROBLEM TO BE SOLVED: To solve the problem that an image quality decreases because a toner scatters due to a collision energy when the toner collides against a photoprinting face in the case where an image is formed by a direct recording system. SOLUTION: An image forming part 102 includes a toner carrier 1 which carries the toner, and a toner control means 4 which has a plurality of toner passing holes 41 arranged between a recording paper 101 to which the toner is adhered and the toner carrier 1. The toner control means 4 has a control electrode 42 on the toner carrier side surface. The control electrode 42 controls passing of the toner to the periphery of the toner passing holes 41. A toner image is formed by flying the toner T to the recording paper 101. A liquid applying means 104 is equipped which applies an application liquid that contains a softening agent to soften the toner by dissolving or swelling a resin included in the toner to the photoprinting face of the recording paper 101 before the toner image is formed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了解决由于在通过直接记录系统形成图像的情况下当调色剂与照相印刷面碰撞时由于碰撞能量而导致的调色剂飞散的图像质量下降的问题。图像形成部102包括承载调色剂的调色剂载体1和调色剂控制装置4，该调色剂控制装置4具有多个调色剂通过孔41，该多个调色剂通过孔41布置在粘附有调色剂的记录纸101和调色剂调色剂控制装置4在调色剂载体侧表面上具有控制电极42。控制电极42控制调色剂通过调色剂通孔41的周边。调色剂图像是通过将调色剂T悬浮到记录纸101而形成的。液体施加装置104被装备成施加包含软化剂以通过在调色剂图像形成之前将包含在调色剂中的树脂溶解或溶胀到记录纸101的照相印刷面来软化调色剂。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009008709A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2009008709A
公开(公告)日：2009-01-15
申请号：JP2007167213
申请日：2007-06-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YASUTOMI HIROSHI , MARUYAMA HITOSHI , SAITO MASANORI , TSUKAMOTO TAKEO , AOKI KATSUHIRO , MIYAWAKI KATSUAKI , MURAKAMI EISAKU
IPC分类号： G03G15/20
CPC分类号： G03G15/2021 , G03G15/2039 , G03G2215/00805 , G03G2215/0081 , G03G2215/2006
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of stably improving glossy uniformity in the optimum graininess without causing deterioration of graininess when forming toner images on various recoding media having different glossiness. SOLUTION: The image forming apparatus includes: a fixing means 5 for fixing the toner images on a recording medium P by heating the toner images; and a reheating means 6 for deteriorating the graininess of the toner images as compared with those before reheating by reheating the toner images on the recording medium P fixed by the fixing means 5. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种成像装置，能够在各种具有不同光泽度的记录介质上形成调色剂图像时，能够稳定地提高最佳颗粒度的光泽均匀性而不会导致颗粒性变差。图像形成装置包括：固定装置5，用于通过加热调色剂图像将调色剂图像定影在记录介质P上; 以及再加热装置6，用于通过将由固定装置5固定的记录介质P上的调色剂图像重新加热而使调色剂图像的颗粒度与再加热之间的颗粒度相比恶化。（C）2009，JPO＆INPIT

8. 发明专利

JP2006085202A Developing apparatus and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成设备
公开(公告)号：JP2006085202A
公开(公告)日：2006-03-30
申请号：JP2005357757
申请日：2005-12-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO MASANORI , YANAGAWA NOBUYUKI , KIBUNE HIDEAKI , KATO MASAHIKO , IMAI AKIRA
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To obtain a developing apparatus with a toner supply mechanism which nearly completely prevents stored toner from being left and may have simple constitution therefor. SOLUTION: A developing apparatus which visualizes a latent image on a latent image carrier by supplying toner includes a toner hopper 3 configured to hold unused toner inside and a toner hopper mounting part 4 provided where a main body of the developing apparatus 1 and the toner hopper 3 are linked to each other and adapted to mount the toner hopper. The toner hopper mounting part 4 includes a vibration apparatus 5. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得具有几乎完全防止存储的调色剂留下的调色剂供给机构的显影装置，并且可以具有简单的结构。解决方案：通过供应调色剂使潜像载体上的潜像可视化的显影装置包括构造成保持未使用的调色剂的调色剂料斗3和设置在显影装置1的主体和调色剂料斗3彼此连接并适于安装调色剂料斗。调色剂料斗安装部件4包括振动装置5.版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2015052792A 冷却装置及び画像形成装置有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2015052792A
公开(公告)日：2015-03-19
申请号：JP2014210747
申请日：2014-10-15
申请人：株式会社リコー , Ricoh Co Ltd
发明人： IKEDA KEISUKE , OKANO SATORU , HIRASAWA TOMOYASU , SAITO MASANORI , TAKEHARA KENICHI , IIJIMA YASUAKI , FUJITANI HIROMITSU , YUASA KEISUKE
IPC分类号： G03G15/20 , G03G15/00
摘要：【課題】装置の大型化を抑制しつつ、冷却効果を向上させることが可能な冷却装置を提供する。【解決手段】記録媒体Pの表裏にそれぞれ接触して当該記録媒体Pを挟持搬送するベルト搬送手段30A〜30Dと、記録媒体Pを冷却する複数の冷却部材32A,32Bと、を備え、複数の冷却部材32A,32Bは、ベルト搬送手段30A〜30Dにおける記録媒体Pと接触する面とは反対側の面に接触し、記録媒体搬送方向上流の冷却部材32Aによって記録媒体Pの表裏の一方の温度が他方の温度よりも低下し、次の冷却部材32Bによって当該記録媒体Pの他方の温度が前記一方の温度よりも低下すると共に、当該次の冷却部材32Bによって低下した他方の温度が記録媒体搬送方向上流の冷却部材32Aによる冷却完了時の前記一方の温度よりも低くなるように冷却部材32A,32Bが配設されている。【選択図】図7
摘要翻译：要解决的问题：提供一种能够提高冷却效果的冷却装置，同时避免冷却装置的尺寸增大。解决方案：冷却装置包括：带式输送器30A至30D，其与前后表面接触用于保持和传送记录介质P的记录介质P; 以及用于冷却记录介质P的多个冷却构件32A和32B。多个冷却构件32A和32B与记录介质P的与每个带传送器30A至30D的表面相对的表面接触被接触。冷却部件32A和32B被设置成使得记录介质P的前表面和后表面之一的温度由位于记录介质输送方向上游侧的冷却部件32A的温度低于另一个的温度，记录介质P的前表面和后表面的另一个的温度比随后的冷却构件32B的温度低一个，并且由随后的冷却构件32B减小的温度低于一个的温度当与位于记录介质输送方向上游侧的冷却部件32A一起冷却时。

10. 发明专利

JP2013025038A Cooling device and image forming apparatus 有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2013025038A
公开(公告)日：2013-02-04
申请号：JP2011159165
申请日：2011-07-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IKEDA KEISUKE , OKANO SATORU , HIRASAWA TOMOYASU , SAITO MASANORI , TAKEHARA KENICHI , FUJITANI HIROMITSU
IPC分类号： G03G21/20 , B65H5/02 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide a cooling device forming a cooling surface without any level difference while suppressing deterioration of cooling efficiency near a downstream side end part of a recording material conveying direction in the cooling area, and an image forming apparatus including the cooling device.SOLUTION: A cooling device 18 includes: an endless upper conveying belt 6 that conveys a sheet P with the outer peripheral surface thereof coming into contact with the sheet P; and a cooling plate 1 that comes into contact with the inner circumferential face of the upper conveying belt 6 and cools the sheet P via the upper conveying belt 6. The two cooling members of a first cooling plate 1a and a second cooling plate 1b are disposed apart from each other along the endless moving direction of the upper conveying belt 6. The cooling device further includes a first plate installing member 12a and a second plate installing member 12b that position the first cooling plate 1a and the second cooling plate 1b such that the cooling surfaces of the first cooling plate 1a and the second cooling plate 1b coming into contact with the inner peripheral surface of the upper conveying belt 6 constitute a part of the continuous plane.
摘要翻译：要解决的问题：提供一种形成冷却表面而没有任何水平差的冷却装置，同时抑制在冷却区域中的记录材料输送方向的下游侧端部附近的冷却效率的劣化，以及图像形成装置，包括冷却装置。解决方案：冷却装置18包括：输送纸张P的外周表面与纸张P接触的环形上输送带6; 以及与上输送带6的内周面接触并经由上输送带6冷却纸P的冷却板1。第一冷却板1a和第二冷却板1b的两个冷却部件沿着上输送带6的无尽移动方向彼此分开。冷却装置还包括第一板安装构件12a和第二板安装构件12b，其将第一冷却板1a和第二冷却板1b定位成使得第一冷却板1a和与上部输送带6的内周面接触的第二冷却板1b的冷却面构成连续平面的一部分。版权所有（C）2013，JPO＆INPIT

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