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1. 发明专利

JP2007047614A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007047614A
公开(公告)日：2007-02-22
申请号：JP2005233797
申请日：2005-08-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO TAKESHI , NAMEKATA SHINICHI , EBARA MASANAO , YOSHINAGA HIROSHI , OGAWA HIROSHI , SHIMADA HIROYUKI
IPC分类号： G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of preventing burning due to a discharged recording medium. SOLUTION: The image forming apparatus having a heating system fixing device 4 has a temperature detecting means 10 detecting a temperature near a paper discharge tray 6 and an announcing means 9 alarming that it is dangerous to take out recording paper, when the temperature detected by the temperature detecting means 10 is a predetermined value or higher. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止由于排出的记录介质引起的燃烧的图像形成装置。解决方案：具有加热系统固定装置4的图像形成装置具有检测出纸托盘6附近的温度的温度检测装置10以及警报在取出记录纸时危险的通知装置9，当温度由温度检测装置10检测的是预定值以上。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007047357A Fixing apparatus and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2007047357A
公开(公告)日：2007-02-22
申请号：JP2005230424
申请日：2005-08-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA HIROSHI , NAMEKATA SHINICHI , SHIMADA HIROYUKI , EBARA MASANAO , YOSHINAGA HIROSHI , YAMAMOTO TAKESHI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing apparatus wherein a fixing member can be cooled at a low cost, dispensing with long waiting time that is required for reducing the temperature of the fixing member to a printing allowable temperature, and dispensing with driving member, power of power source or the like and mechanical space, and to provide an image forming apparatus equipped with the fixing apparatus.
SOLUTION: Regarding the fixing apparatus having the fixing member which rotates backward and forward, the apparatus includes a propeller 12 which rotates when the backward rotation of the fixing member so that the wind generated with the rotation of the propeller is sent to the fixing member, when cooling the fixing member (5), as necessary.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种定影装置，其中可以以低成本冷却固定构件，分配用于将定影构件的温度降低到打印允许温度所需的等待时间长，并且分配驱动构件，动力源或类似物以及机械空间，并提供配备有定影装置的图像形成装置。解决方案：关于具有向后和向前旋转的固定构件的定影装置，该装置包括螺旋桨12，该螺旋桨12当固定构件的反向旋转时旋转，使得随着螺旋桨的旋转而产生的风被发送到固定构件，根据需要冷却固定构件（5）。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006208419A Image forming apparatus and control method 有权
标题翻译：图像形成装置和控制方法
公开(公告)号：JP2006208419A
公开(公告)日：2006-08-10
申请号：JP2005016338
申请日：2005-01-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAMEKATA SHINICHI , EBARA MASANAO , FUJIMOTO IPPEI , SHIMADA HIROYUKI , OGAWA HIROSHI , OGAWA SADAFUMI , YOSHINAGA HIROSHI
IPC分类号： G03G15/20 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which has successful fixability and is without curl of transfer paper irrespective of temperature environment. SOLUTION: When a print request is transmitted to a control part, output values T1, T2 of temperature sensors 31, 32 at the time are acquired to obtain ΔT=T1-T2. Magnitude relation between temperature of ΔT and threshold temperature (considered as 5°C in this embodiment) which can be optionally set is compared and in the case of ΔT Th (34°C in the embodiment), it is determined that it is necessary to greatly lower fixing temperature since the transfer paper is sufficiently warmed up and in the case of T2 COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有成功固定性并且不受转印纸卷曲影响的图像形成装置，而与温度环境无关。解决方案：当将打印请求发送到控制部分时，获取时间上的温度传感器31,32的输出值T1，T2以获得ΔT= T1-T2。比较ΔT的温度和可以任意设定的阈值温度（本实施例中为5℃）之间的关系，在ΔT<5℃的情况下，作为目标控制温度为Tcont = 170℃开始定影。在ΔT≥5℃的情况下，与T2（室外空气温度）连续地比较阈值Th（本实施例中为34℃），以将补偿量改变为目标控制温度。在T2> Th（实施例中为34℃）的情况下，确定由于转印纸被充分预热而需要大大降低定影温度，并且在T2

4. 发明专利

JP2006201545A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2006201545A
公开(公告)日：2006-08-03
申请号：JP2005013777
申请日：2005-01-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： EBARA MASANAO , FUJIMOTO IPPEI , NAMEKATA SHINICHI , YOSHINAGA HIROSHI , OGAWA HIROSHI , OGAWA SADAFUMI , SHIMADA HIROYUKI
IPC分类号： G03G15/20 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus equipped with a fixing device capable of attaining the satisfactory fixation of toner after printing an image, and capable of preventing the curling of a transfer sheet. SOLUTION: The image forming apparatus 20 is equipped with the fixing device 1 for fixing an unfixed toner image by heating the transfer material P carrying the unfixed toner image, a temperature detection means S1 for detecting the temperature in the image forming apparatus 20 equipped with the fixing device 1, and a control means for correcting the control temperature of the fixing device 1 based on the detection result by the temperature detection means S1, wherein the temperature detection means S1 is arranged near the fixing device 1. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种配备有能够在打印图像之后实现令人满意的调色剂固定并且能够防止转印片卷曲的定影装置的图像形成装置。解决方案：图像形成装置20装备有用于通过加热携带未定影调色剂图像的转印材料P固定未定影调色剂图像的定影装置1，用于检测图像形成装置20中的温度的温度检测装置S1 配备有定影装置1的控制装置，以及用于根据温度检测装置S1的检测结果来校正定影装置1的控制温度的控制装置，其中温度检测装置S1布置在定影装置1附近。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2004093999A Image forming apparatus 有权
公开(公告)号：JP2004093999A
公开(公告)日：2004-03-25
申请号：JP2002256341
申请日：2002-09-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA HIROSHI
IPC分类号： G03G15/00 , G03G15/16 , G03G15/20 , G03G21/00 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of stably preventing the void of an image at the transfer time caused by a release agent at low cost. SOLUTION: The image forming apparatus is provided with a cleaning and coating device 100 achieving two functions for cleaning a belt and for applying waste toner on the surface of an intermediate transfer belt 41, and a waste toner removing device 120 removing waste toner from the surface of the belt 41. Then, the application of the waste toner and the removal of the waste toner are performed every time double-sided printing of ten sheets of transfer paper is finished or a job is finished. Thus, silicone oil is removed from the surface of the belt 41 together with the waste toner. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2009192805A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2009192805A
公开(公告)日：2009-08-27
申请号：JP2008033181
申请日：2008-02-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA HIROSHI
IPC分类号： G03G15/20 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a cleaning device, the size of which is prevented from increasing by winding with the density of cleaning web enhanced, and to provide an image forming apparatus.
SOLUTION: The cleaning device cleans a fixing roller 31 by means of the cleaning web 44, wherein a take-up shaft 43 is driven rotationally, as well as, the cleaning web 44 is taken up, and a cleaning roller 45 for cleaning the surface of the cleaning web is firmly pressed against the take-up shaft 43, with the cleaning web 44 between them.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种清洁装置，通过卷绕加强清洁织物的密度来防止其尺寸增加，并提供图像形成装置。解决方案：清洁装置通过清洁腹板44清洁定影辊31，其中卷绕轴43被旋转地驱动，并且清洁腹板44被吸收，并且清洁辊45用于清洁网的表面被清洁网44牢固地压靠在卷取轴43上。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009181003A Cleaning device, fixing device, and image forming apparatus 审中-公开
标题翻译：清洁装置，固定装置和图像形成装置
公开(公告)号：JP2009181003A
公开(公告)日：2009-08-13
申请号：JP2008020795
申请日：2008-01-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OGAWA HIROSHI , OKAMOTO JUN , TAMAKI TOSHITARO , ANDO YOHEI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a cleaning device capable of minimizing the slack of a cleaning web without enlarging the device, to provide a fixing device, and to provide an image forming apparatus.
SOLUTION: The cleaning device 40 has a winding shaft 41 for winding a cleaning web 44 thereon, and a winding shaft 43 for winding thereon the cleaning web 44 extended from the winding shaft 41. The cleaning web 44 extended from the winding shaft 41 as the winding shaft 43 is driven to rotate is brought into sliding contact with a fixing roller 31 and cleaned. The winding shaft 43 and the winding shaft 41 are connected to each other by a gear train 50. A one-way clutch 51 that causes rotation in the winding direction of the winding shaft 43 to be discontinuous and rotation in the winding direction of the winding shaft 41 to be continuous is provided in a portion from the winding shaft 43 to the winding shaft 41 through the gear train 50.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种清洁装置，其能够在不扩大设备的情况下最小化清洁带的松弛，提供定影装置，并提供图像形成装置。解决方案：清洁装置40具有用于在其上卷绕清洁纤维网44的卷绕轴41和用于卷绕从卷绕轴41延伸的清洁纤维网44的卷绕轴43.从卷绕轴延伸的清洁卷筒纸44 驱动旋转的卷绕轴43与定影辊31滑动接触并清洁。卷绕轴43和卷绕轴41通过齿轮系50彼此连接。使得沿着卷绕轴43的卷绕方向旋转的单向离合器51不连续地沿着绕组的卷绕方向旋转通过齿轮系50从卷绕轴43到卷绕轴41的部分设置连续的轴41。（C）2009，JPO＆INPIT

8. 发明专利

JP2009075226A Attachable/detachable unit holding device and image forming apparatus 有权
标题翻译：可连接/可拆卸单元保持装置和图像形成装置
公开(公告)号：JP2009075226A
公开(公告)日：2009-04-09
申请号：JP2007242381
申请日：2007-09-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAMAKI SHUNTARO , OKAMOTO JUN , OGAWA HIROSHI , ANDO YOHEI
IPC分类号： G03G21/16 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide an attachable/detachable unit holding device which is more excellent than conventional technology from a viewpoint in cost and layout and by which an attachable/detachable unit can be attached/detached straight without sliding the attachable/detachable unit up and down or right and left, whereby it is easily attached/detached without possibility of dropping. SOLUTION: An attachable/detachable unit holding device main body is equipped with a unit fixing member 13 like a lever or the like so as to freely turn against turning tendency from an ordinary position set based on the turning tendency. The unit fixing member is provided with a positioning locking part 26 positioning a fixing unit (attachable/detachable unit) 15 by locking with a positioning pin 19 of the fixing unit when the fixing unit 15 is attached and held in the device main body, and is provided with an attachment/detachment regulation part 24 regulating the attachment/detachment of the fixing unit by making a positioning pin 18 abut thereon when the unit fixing member is at the ordinary position, and releasing the regulation when it is turned by a predetermined angle α from the ordinary position. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：从成本和布局的观点出发，提供一种比常规技术更优异的可拆卸/可拆卸的单元保持装置，并且可以将可附接/拆卸单元直接连接/分离，而不会使可附接/ 可拆卸单元上下左右，从而易于拆卸，无可能下落。解决方案：可拆卸单元保持装置主体具有像杠杆等一样的单元固定构件13，以便根据转动倾向自由地摆脱从普通位置设定的转动倾向。单元固定构件设置有定位锁定部26，当定影单元15被固定在装置主体中时，通过与定影单元的定位销19锁定来定位固定单元（可附接/拆卸单元）15，以及设置有安装/拆卸调节部分24，当单元固定构件处于普通位置时通过使定位销18抵靠固定单元的附接/拆卸，并且当转动预定角度时释放调节 α从普通位置。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007133046A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2007133046A
公开(公告)日：2007-05-31
申请号：JP2005324147
申请日：2005-11-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： EBARA MASANAO , NAMEKATA SHINICHI , FUJIMOTO IPPEI , YOSHINAGA HIROSHI , OGAWA HIROSHI , SHIMADA HIROYUKI , YAMAMOTO TAKESHI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of avoiding deterioration in the image quality of fixed images.
SOLUTION: The fixing device is provided with an entrance guide plate 21, that is a guide member for guiding transfer material to a nip part N being a press-contact part between a fixing roller 4 and a pressure roller 5 on the upstream side of the nip part N, and is provided with an elastic sheet 23 on the surface of the transfer material guide part 22 of the entrance guide plate 21.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2006317704A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2006317704A
公开(公告)日：2006-11-24
申请号：JP2005140068
申请日：2005-05-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： EBARA MASANAO , NAMEKATA SHINICHI , YAMAMOTO TAKESHI , YOSHINAGA HIROSHI , OGAWA HIROSHI , SHIMADA HIROYUKI
IPC分类号： G03G15/00 , B41J29/00 , G03G21/00 , H04N1/00
摘要： PROBLEM TO BE SOLVED: To provide an in-drum paper-ejection type image forming apparatus capable of preventing jamming caused by the collision of an ejected recording paper sheet on user's hand when the user touches near the ejection port. SOLUTION: In the image forming apparatus 1 including an image reading part 4, an image forming part 5, and the ejection part 7 arranged between the image reading part 4 and the image forming part 5, equipped with a paper ejection cavity 6 which communicates with the paper ejection port 40 for ejecting the recording paper on which the image is already formed, a preventing means 50 for preventing the entrance of an object which interrupts the ejection of the recording paper P with the formed image from the opening part on the front side F of the apparatus body to the vicinity of the paper ejection port 40 is arranged in the opening part on the front side F of the apparatus main body. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在滚筒式排纸式图像形成装置中，当用户在喷出口附近触摸时，能够防止在用户的手上弹出的记录纸张的碰撞引起的卡纸。解决方案：在包括图像读取部分4，图像形成部分5和布置在图像读取部分4和图像形成部分5之间的喷射部分7的图像形成装置1中，装备有排纸腔6 与用于喷射已经形成有图像的记录纸的排纸口40连通的防止装置50，用于防止从打开部分开始形成的图像中断记录纸P的喷射的物体的进入设备主体的靠近排纸口40的前侧F布置在设备主体的前侧F的开口部分中。版权所有（C）2007，JPO＆INPIT

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