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1. 发明授权

US5905926A Positioning structure for brake force supplier for use in image forming apparatus 失效
标题翻译：制动力供应商的定位结构用于成像设备
公开(公告)号：US5905926A
公开(公告)日：1999-05-18
申请号：US966504
申请日：1997-11-10
申请人： Susumu Taniguchi , Hideaki Kimata , Hiroyuki Arima , Keiji Ban , Masayuki Mizuno , Katsuhide Yamaguchi , Makoto Eki
发明人： Susumu Taniguchi , Hideaki Kimata , Hiroyuki Arima , Keiji Ban , Masayuki Mizuno , Katsuhide Yamaguchi , Makoto Eki
IPC分类号： B41J29/13 , G03G15/00 , G03G21/16 , H04N1/00
CPC分类号： H04N1/00551 , G03G21/1623 , H04N1/00543 , H04N1/00554 , G03G2221/1687
摘要： An image forming apparatus of this invention is constructed such that a main base frame constituting the apparatus is formed with a pair of first positioning pins. An attachment member is formed with a pair of second positioning pins and positioning holes for fittingly receiving the first positioning pins therein to position the attachment member relative to the main base frame. A brake force supplier formed with mounting holes is attached to the attachment member while positioned relative thereto by fitting insertion of the second positioning pins in the mounting holes. When the attachment member is not used, another brake force supplier can be directly mounted on the main base frame and positioned relative thereto by fitting insertion of the first positioning pins in mounting holes of the brake force supplier.
摘要翻译：本发明的图像形成装置被构造成使得构成装置的主基架形成有一对第一定位销。附接构件形成有一对第二定位销和定位孔，用于将第一定位销嵌合在其中以将附接构件相对于主底架定位。形成有安装孔的制动力供给装置通过将第二定位销插入到安装孔中而相对于其定位而附接到附接构件。当不使用安装构件时，可以通过将第一定位销插入制动力供应器的安装孔中，将另一个制动力供应器直接安装在主底架上并相对于其定位。

2. 发明授权

US5485247A Image forming apparatus including a paper feeding device having improved paper jam detection capability 失效
标题翻译：图像形成装置包括具有改进的卡纸检测能力的送纸装置
公开(公告)号：US5485247A
公开(公告)日：1996-01-16
申请号：US105929
申请日：1993-08-13
申请人： Hiroki Morishita , Hiroaki Nakamura , Makoto Eki , Yoshinori Makiura , Masao Otsuka , Kazushiro Taguchi , Keiji Ban
发明人： Hiroki Morishita , Hiroaki Nakamura , Makoto Eki , Yoshinori Makiura , Masao Otsuka , Kazushiro Taguchi , Keiji Ban
IPC分类号： B65H7/12 , B65H7/06 , G03G15/00 , G03G21/00
CPC分类号： G03G15/70 , G03G2215/00548
摘要： A paper feeding device is capable of judging that a paper jam occurs on the basis of output from a first paper detecting switch and a second paper detecting switch. These paper detecting switches are respectively provided ahead of and behind a registration roller which feeds paper sheets to an image forming section. If the first paper detecting switch is turned on when a predetermined time has elapsed since the registration roller started to feed a paper sheet to the image forming section, it is judged that a duplicate paper feeding state has occurred where a plurality of paper sheets are simultaneously fed. If the second paper detecting switch is turned off in the case where it is judged that a duplicate paper feeding state has occurred, it is judged that a paper jam has not occurred. The registration roller is stopped so it will later be ready to feed the subsequent paper sheet. Even when the paper sheets are simultaneously fed in a duplicate paper feeding state, it is not judged that a paper jam occurs as long as the paper sheets are fed one at a time to the image forming section. However, if both the first and second paper detecting switches remain on after the predetermined time, then it is judged that a paper jam has occurred.
摘要翻译：供纸装置能够基于来自第一纸张检测开关和第二纸张检测开关的输出来判断卡纸。这些纸张检测开关分别设置在将纸张馈送到图像形成部分的定位辊的前面和后面。如果从定位辊开始将纸张送入图像形成部分经过了预定时间之后第一个纸张检测开关打开，则判断在多个纸张同时发生复印纸进给状态喂。如果在判断出送纸状态已经发生的情况下第二纸张检测开关被关闭，则判断为没有发生卡纸。定位辊停止，以便随后准备送入后续的纸张。即使在复印纸进给状态下同时进给纸张的情况下，只要纸张一次一张地向图像形成部分供纸就不会发生卡纸。然而，如果第一和第二纸张检测开关在预定时间之后保持接通，则判断已经发生卡纸。

3. 发明授权

US5027152A Image-forming machine having a process unit detachably mountable on a movable supporting and guiding means 失效
标题翻译：图像形成机具有可拆卸地安装在可移动支撑和引导装置上的处理单元
公开(公告)号：US5027152A
公开(公告)日：1991-06-25
申请号：US542031
申请日：1990-06-22
申请人： Kenji Oda , Makoto Eki , Eiji Tsutsui , Masanobu Maeshima
发明人： Kenji Oda , Makoto Eki , Eiji Tsutsui , Masanobu Maeshima
IPC分类号： G03G15/08 , G03G21/18
CPC分类号： G03G21/1817 , G03G15/0896 , G03G21/1825 , G03G21/1853 , G03G2215/00987 , G03G2221/1606 , G03G2221/1609 , G03G2221/1624 , G03G2221/163 , G03G2221/1648 , G03G2221/1651 , G03G2221/1654 , G03G2221/1678 , G03G2221/1861 , G03G2221/1876
摘要： An image-forming machine including a main body of the machine having a lower housing and an upper housing mounted on the lower housing pivotably between an open position and a closed position, and a process unit detachably mounted on the lower housing on the main body. The lower housing has a supporting-guiding device mounted pivotably between an elevated position and a lowered position, a holding device pivotably mounted between a holding position at which the supporting-guiding device is held at the elevated position and a release position at which the supporting-guiding device is permitted to move to the lowered position, and a biasing position for elastically biasing the holding device at the holding position. The process unit has a first unit and a second unit. The supporting-guiding device positioned at the elevated position can be mounted on and detached from the first unit. The second unit is separably combined with the first unit. The first unit includes a developing device, and the second unit includes a rotating drum having a photosensitive member disposed on the surface.
摘要翻译：一种图像形成机，包括机器的主体，具有下壳体和上壳体，所述下壳体可枢转地安装在打开位置和关闭位置之间，以及可拆卸地安装在主体上的下壳体上的处理单元。下壳体具有可枢转地安装在升高位置和下降位置之间的支撑引导装置，可枢转地安装在支撑引导装置保持在升高位置的保持位置和支撑位置之间的保持装置导向装置被允许移动到降低位置，以及用于在保持位置弹性地偏压保持装置的偏置位置。处理单元具有第一单元和第二单元。定位在升高位置的支撑引导装置可以安装在第一单元上并从第一单元拆下。第二单元与第一单元可分离地组合。第一单元包括显影装置，第二单元包括具有设置在表面上的感光构件的旋转滚筒。

4. 发明授权

US5860044A Open/close mechanism of upper frame for use in image forming apparatus 失效
标题翻译：用于成像设备的上框架的打开/关闭机构
公开(公告)号：US5860044A
公开(公告)日：1999-01-12
申请号：US966505
申请日：1997-11-10
申请人： Makoto Eki , Masayuki Mizuno , Susumu Taniguchi , Hideaki Kimata , Keiji Ban , Hiroyuki Arima , Katsuhide Yamaguchi
发明人： Makoto Eki , Masayuki Mizuno , Susumu Taniguchi , Hideaki Kimata , Keiji Ban , Hiroyuki Arima , Katsuhide Yamaguchi
IPC分类号： B41J29/13 , B41J29/54 , G03B27/62 , G03G15/04 , G03G21/16 , H04N1/00 , G03G15/00
CPC分类号： H04N1/00554 , G03G21/1623 , H04N1/00543 , G03G2221/1675 , G03G2221/1687 , G03G2221/183
摘要： This invention relates to an image forming apparatus constructed such that an upper frame is openably mounted on a main base frame and a pivotal movement transmitter (gear) is rotatably mounted on the upper frame about an axis of a rotation of the upper frame, i.e., in association with the rotation of the upper frame. The gear has a cam portion. One end of a lever comes into contact with part of the cam portion of the gear, while the opposite end of the lever comes into contact with a coil spring. Further, a distance from the pivotal axis of the gear to the contact position of the lever with the cam portion decreases in accordance with a proceeding of the closing operation. Accordingly, as the lever (cam follower) follows the cam portion in accordance with the closing operation of the upper frame, a compression force to compress the coil spring increases. Thereby, a brake force applied to the upper frame on the way of closing also increases.
摘要翻译：本发明涉及一种图像形成装置，其构造成使得上框架可打开地安装在主底架上，并且枢转运动变送器（齿轮）围绕上框架的旋转轴线可旋转地安装在上框架上，即，与上框架的旋转相关联。齿轮具有凸轮部分。杆的一端与齿轮的凸轮部分的一部分接触，而杠杆的相对端与螺旋弹簧接触。此外，根据关闭操作的进行，从齿轮的枢转轴线到杠杆与凸轮部分的接触位置的距离减小。因此，随着杠杆（凸轮从动件）根据上框架的关闭操作跟随凸轮部分，压缩螺旋弹簧的压缩力增加。因此，在关闭路径上施加到上框架的制动力也增加。

5. 发明授权

US6064498A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US6064498A
公开(公告)日：2000-05-16
申请号：US971923
申请日：1997-11-10
申请人： Susumu Taniguchi , Hideaki Kimata , Keiji Ban , Hiroyuki Arima , Masayuki Mizuno , Katsuhide Yamaguchi , Makoto Eki
发明人： Susumu Taniguchi , Hideaki Kimata , Keiji Ban , Hiroyuki Arima , Masayuki Mizuno , Katsuhide Yamaguchi , Makoto Eki
IPC分类号： G03G15/00 , B65H7/06 , H04N1/00 , H04N1/04
CPC分类号： H04N1/0062 , H04N1/00525 , H04N1/00543 , H04N1/00602 , H04N1/00631
摘要： This invention relates to an image forming apparatus for recording an image on recording paper. The apparatus has a main base frame internally provided with an imaging unit for recording an image on recording paper, an upper frame disposed on-the main base frame and pivotally movable about an axis of a pivot provided on one end of the upper frame corresponding to a rear side of the apparatus to open a front side of the apparatus, a document feeder unit disposed on the upper frame for feeding an original document set thereon toward the front side, a document discharge tray attached to the main base frame for receiving the document fed by the document feeder unit, and a recording paper discharge tray attached to the main base frame beneath the document discharge tray for receiving the recording paper carrying the recorded image. The document discharge tray and the recording paper discharge tray are integrally attached to the main base frame via a tray frame to form a one piece unit.
摘要翻译：本发明涉及一种用于在记录纸上记录图像的图像形成装置。该设备具有内部设置有用于在记录纸上记录图像的成像单元的主基架，设置在主基架上的上框架，并且围绕设置在上框架的一端的枢轴的轴线可枢转地对应于用于打开设备前侧的设备的后侧，设置在上框架上用于将朝向前侧设置在其上的原稿供给的文件馈送单元，附接到主基架的用于接收文档的文件排出盘由送纸单元供纸;以及记录纸排出盘，其安装在文件排出托盘下方的主底架上，用于接收携带记录图像的记录纸。文件排出托盘和记录纸排出托盘通过托盘框架一体地附接到主底架，以形成一体式单元。

6. 发明授权

US5130752A Transfer device with a ribbed guiding member 失效
标题翻译：带有引导构件的传送装置
公开(公告)号：US5130752A
公开(公告)日：1992-07-14
申请号：US523537
申请日：1990-05-15
申请人： Hiroki Morishita , Makoto Eki
发明人： Hiroki Morishita , Makoto Eki
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/6532 , G03G15/165
摘要： An image forming apparatus including a transfer discharger. A sheet material after transfer is detached from a photosensitive drum by virtue of its stiffness and its own weight. The sheet material detached from the drum is guided by a guiding member. The guiding member is made of insulating material and provided with a plurality of ribs. A charge removing member is disposed on a downstream side of the guiding member. Charge removing action occurs over spaces between the ribs and charges on a rear surface of the sheet material are removed as the sheet material is being guided by the ribs. The guiding member may be formed of antistatic material in at least a part of it which comes into contact with the sheet material. Further, the guiding member may include assisting guide portions in at least some of the spaces between the ribs for guiding a receiving substrate such as a sheet material, an envelope, or the like to upper portions of the ribs.

7. 发明授权

US06810220B2 Control for a fixing device in an image forming apparatus 有权
标题翻译：图像形成装置中的定影装置的控制
公开(公告)号：US06810220B2
公开(公告)日：2004-10-26
申请号：US10407268
申请日：2003-04-07
申请人： Toshiyuki Hamada , Makoto Eki , Yuzuru Nanjo , Takashi Maekawa
发明人： Toshiyuki Hamada , Makoto Eki , Yuzuru Nanjo , Takashi Maekawa
IPC分类号： G03G1520
CPC分类号： G03G15/205
摘要： An image forming apparatus which includes a fixing device including a fixing roller, a pressure roller pressed into contact with the fixing roller, and a thermistor in contact with a non-paper-passage region on the surface of the fixing roller, the fixing roller incorporating a first halogen heater whose heat distribution based on the axial direction of the fixing roller is set such that heat in a middle region thereof is higher than heat in opposite-end regions thereof, and a second halogen heater whose heat distribution based on the axial direction of the fixing roller is set such that heat in opposite-end regions thereof is higher than heat in a middle region thereof; and a controller for controlling power supply to the first and second halogen heaters. The controller starts power supply to the first and second halogen heaters to start warm-up of the fixing device, and cuts off power supply to the first halogen heater for a predetermined period of time during the warm-up.
摘要翻译：一种图像形成装置，其包括定影装置，该定影装置包括定影辊，与定影辊接触的加压辊，以及与定影辊表面上的非纸通道区域接触的热敏电阻，第一卤素加热器，其定影辊的轴向的热分布被设定为使得其中间区域的热量高于其相对端部区域的热量;以及第二卤素加热器，其热分布基于轴向定影辊的相对端部区域的热量比中间区域的热量高; 以及控制器，用于控制对第一和第二卤素加热器的电力供应。控制器开始向第一和第二卤素加热器供电以启动定影装置的预热，并且在预热期间切断对第一卤素加热器的电源预定时间段。

8. 发明授权

US5241353A Paper-discharging tray 失效
标题翻译：排纸托盘
公开(公告)号：US5241353A
公开(公告)日：1993-08-31
申请号：US783875
申请日：1991-10-29
申请人： Masanobu Maeshima , Eiji Tsutsui , Makoto Eki , Hiroki Morishita , Junya Sasabe
发明人： Masanobu Maeshima , Eiji Tsutsui , Makoto Eki , Hiroki Morishita , Junya Sasabe
IPC分类号： B65H31/00 , B65H29/52 , B65H31/26 , G03G15/00
CPC分类号： G03G15/6552
摘要： A paper-discharge tray for an image-forming apparatus is adapted to hold paper discharged by a paper-discharging device arranged downstream of a fixing device in the image-forming apparatus. The free end of the paper-discharge tray is adapted to be bent in the direction in which the paper will curl when it passes through the fixing device, such that the paper can be stably stacked even when it curls during the fixing process.
摘要翻译：用于图像形成装置的排纸托盘适于将由布置在定影装置下游的排纸装置排出的纸张保持在图像形成装置中。排纸托盘的自由端适于沿着纸张通过定影装置时卷曲的方向弯曲，使得即使在定影过程中卷曲时也能够稳定地堆叠纸张。

9. 发明授权

US5238238A Paper feeding cassette case in image forming apparatus 失效
标题翻译：图像形成装置中的送纸盒壳
公开(公告)号：US5238238A
公开(公告)日：1993-08-24
申请号：US957017
申请日：1992-10-06
申请人： Masahiro Shinohara , Hiromi Okada , Hideaki Tomita , Naoyuki Ishida , Makoto Eki , Masao Otsuka
发明人： Masahiro Shinohara , Hiromi Okada , Hideaki Tomita , Naoyuki Ishida , Makoto Eki , Masao Otsuka
IPC分类号： B65H1/00 , B65H1/04 , B65H1/26 , B65H7/02 , G03G15/00
CPC分类号： B65H1/04
摘要： A paper feeding cassette case in an image forming apparatus according to the present invention is so adapted that an arbitrary internal unit out of a plurality of types of internal units including at least one internal unit of a universal type having a structure in which paper sheets of a plurality of sizes requiring the switching of the printing ranges can be set can be attached thereto. In the paper feeding cassette case, detecting member mounting portions are respectively formed in different positions respectively corresponding to the types of internal units, and the detecting member and each of the detecting member mounting portions are provided with mounting member for detachably mounting the detecting member on the detecting member mounting portion. In addition, the mounting member provided for the detecting member mounting portion corresponding to the internal unit of a universal type has a structure in which the detecting member is allowed to slide in the range of the detecting member mounting portion.
摘要翻译：根据本发明的图像形成装置中的给纸盒盒适用于多种类型的内部单元中的任意内部单元，所述内部单元包括至少一个通用型内部单元，该内部单元具有以下结构：可以设置需要切换打印范围的多个尺寸。在供纸盒壳体中，检测部件安装部分别形成在分别对应于内部部件的种类的不同位置，检测部件和检测部件安装部分设置有用于将检测部件可拆卸地安装在其上的安装部件检测部件安装部。另外，对于与通用型内部单元相对应的检测部件安装部设置的安装部件具有允许检测部件在检测部件安装部的范围内滑动的结构。

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