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    • 1. 发明授权
    • Heat protection of photosensitive elements in image formation apparatus
    • 图像形成装置中感光元件的热保护
    • US5313248A
    • 1994-05-17
    • US809560
    • 1992-03-11
    • Yasuhiro MitaAtsushi KobayashiNobumasa AbeTakashi SuzukiKazutoshi FujisawaEiji KumaiSaburo Furukawa
    • Yasuhiro MitaAtsushi KobayashiNobumasa AbeTakashi SuzukiKazutoshi FujisawaEiji KumaiSaburo Furukawa
    • G03B27/32G03D13/00G03F7/00G03B27/52
    • G03F7/0022G03B27/32G03D13/002G03B2227/325
    • An image formation apparatus is provided having a continuous form photosensitive member positioned to move along a pre-defined transfer path. An image is exposed on to a portion of the photosensitive member along the transfer path. A heat developer heats the exposed image portion and intercepts the heat to an unexposed portion of the photosensitive member. The heat developer has a cylindrical housing having a heated portion arranged along a longitudinal axis of the cylindrical housing and a heating element in surface contact with and for heating exposed portions of the photosensitive member. The cylindrical housing also has an unheated portion arranged along the longitudinal axis of the cylindrical housing and separated from the heated portion by a thermally insulative material. A thermal shield is selectively movable along the transfer path in synchronism with and in the direction of transfer of the photosensitive member between a heat shielding position and a non-heat shielding position for protecting and preserving unexposed portions of the photosensitive member. The thermal shield has a curved heat shield position adjacent to the heating element and movable concentrically about the longitudinal axis between the heat shielding position between the heating element and photosensitive member and the non-heat shield position.
    • PCT No.PCT / JP91 / 00685 Sec。 371日期1991年3月11日 102(e)1991年3月11日PCT PCT 1991年5月23日PCT公布。 公开号WO91 / 18328 日期1991年11月28日。一种图像形成装置,其具有连续形式的感光构件,定位成沿着预定义的传送路径移动。 图像沿着传送路径暴露在感光构件的一部分上。 热显影剂加热曝光的图像部分并将热量拦截到感光部件的未曝光部分。 热显影剂具有圆柱形壳体,其具有沿着圆柱形壳体的纵向轴线布置的加热部分和与感光构件的暴露部分表面接触并用于加热曝光部分的加热元件。 圆柱形壳体还具有沿着圆柱形壳体的纵向轴线布置的未加热部分,并且通过绝热材料与加热部分分离。 与屏蔽位置和非热屏蔽位置之间的感光元件的转印同步并沿着传送路径可以选择性地移动热屏蔽,用于保护和保存感光元件的未曝光部分。 热屏蔽件具有与加热元件相邻的弯曲的热屏蔽位置,并且可以在加热元件和感光元件之间的热屏蔽位置与非隔热位置之间围绕纵向轴线同心地移动。
    • 3. 发明授权
    • Image forming apparatus with enhanced transport of its photosensitive
recording member
    • 图像形成装置,其光敏记录部件的输送增强
    • US5430522A
    • 1995-07-04
    • US117972
    • 1993-09-08
    • Atsushi KobayashiNobumasa Abe
    • Atsushi KobayashiNobumasa Abe
    • B41J2/32B41J29/00G03B27/32G03B27/50G03D13/00G03F7/00H04N1/29G03B27/72
    • G03B27/32G03F7/0022G03B2227/325
    • A color image forming apparatus includes a primary transport system for moving a photosensitive receiving member of continuous length, which is designed to receive the exposure of an original image to be reproduced forming a latent image of the original at an exposure station. The photosensitive receiving member is transported through the exposure station at a maintained constant rate of movement while assuring the transport of the photosensitive receiving member through downstream stations, involving development of the latent image and transfer of the developed image to an image receiving medium, is accomplished without causing slack, wrinkling or jamming of the photosensitive receiving member in the apparatus or distortion of the developed image during its transfer to an image receiving medium. The control of the transport of the photosensitive receiving member through the apparatus may be accomplished with a combination of a primary transport system and a secondary transport system respectively positioned in the region of the pressure transfer section and downstream of the exposure station to transport the photosensitive receiving member at different rates of movement. Conflict due to different transport rates applied to the photosensitive receiving member is eliminated by establishing a differential motion buffer in the transport path between the primary transport system and the secondary transport system. In this connection, the differential motion buffer provides for slack compensation or tension biasing in conjunction with any slack developed in the transport of the photosensitive receiving member through the apparatus.
    • 彩色图像形成装置包括用于移动连续长度的感光接收构件的主传送系统,其被设计为在曝光站处接收形成原稿的潜像的要再现的原始图像的曝光。 感光接收构件以保持恒定的运动速度传送通过曝光站,同时确保感光接收构件通过下游站的传输,涉及潜像的显影和显影图像的传送到图像接收介质。 不会使感光接收构件在设备中松弛,起皱或卡住,或者在显影图像传送到图像接收介质期间变形。 通过装置控制感光接收构件的传送可以通过分别位于压力传送部分和曝光站下游的主传送系统和辅助传送系统的组合来实现,以便将感光接收 会员不同运动速度。 通过在主输送系统和二次输送系统之间的传送路径中建立差动运动缓冲器来消除由于施加到感光接收部件的不同运送速率的冲突。 在这方面,差动运动缓冲器与通过装置的光敏接收构件的传送中产生的任何松弛相结合,提供松弛补偿或张力偏置。
    • 5. 发明授权
    • Thermal development device
    • 热开发装置
    • US5528338A
    • 1996-06-18
    • US974578
    • 1993-02-16
    • Atsushi KobayashiTakashi Suzuki
    • Atsushi KobayashiTakashi Suzuki
    • G03B27/32G03D13/00G03B27/52
    • G03D13/002G03B27/32G03B2227/325
    • This is an invention of a thermal development device that controls wrinkles generated due to thermal deformation of a photosensitive member while it thermally develops images. This device heats uniformly and is a thermal development device that prevents deterioration of image quality due to unevenness in concentration that is caused by wrinkles. On the surface of a thermal development device (40) heating cylinder (41, 241, 341, 441) are: periodic circular-arc-shaped peaks and valleys, projection-type peaks and valleys on both ends of the heating cylinder, a crown-shaped curvature, and a linear projection that is formed in the shape of a spiral. In addition, a nip roller (50) that engages the photosensitive member at the heating cylinder (541) in the region of an initial heating position is provided. Further, for the nip roller, the heating cylinder (541) release and engaged conditions can be selected.
    • PCT No.PCT / JP92 / 00767 Sec。 371日期:1993年2月16日 102(e)日期1993年2月16日PCT提交1992年6月16日PCT公布。 第WO92 / 22854号公报 日期为1992年12月23日。这是一种热显影装置的发明,其控制由于感光构件的热变形而产生的皱纹,同时热显影图像。 该装置均匀地加热,并且是防止由于皱纹引起的浓度不均匀导致的图像质量劣化的热显影装置。 在热显影装置(40)的表面上,加热缸(41,241,341,441)是:加热缸两端的周期性圆弧形峰和谷,凸起型峰和谷,冠 形状的曲率,以及形成为螺旋形状的线状突起。 此外,提供了在初始加热位置的区域中与加热缸(541)处的感光构件接合的夹持辊(50)。 此外,对于夹持辊,可以选择加热缸(541)的释放和接合状态。
    • 6. 发明授权
    • Image forming apparatus
    • US5005043A
    • 1991-04-02
    • US371226
    • 1989-06-26
    • Atsushi KobayashiTakashi SuzukiYasuhiko Kosugi
    • Atsushi KobayashiTakashi SuzukiYasuhiko Kosugi
    • G03F7/00
    • G03F7/0022G03B2227/325
    • An image forming apparatus includes a photosensitive medium having light sensitive microcapsules thereon which are pressed against a transfer medium to transfer a latent image from the photosensitive medium to the transfer medium. A pressure developing device is employed which generates a load only during that period when the image is being developed on the receiving medium. The photosensitive medium is contained in a detachable container. A thermal treatment mechanism fixes the images formed on the receiving medium and imparts a glossy finish. An illuminating mechanism illuminates directly or indirectly the photosensitive medium. An exposure mechanism subjects a first predetermined region of the photosensitive medium to light representative of the image and a second predetermined region of the photosensitive medium to light nonrepresentative of the image. The exposure mechanism also subjects the first predetermined region of the photosensitive medium to light having a uniform intensity. The image forming apparatus further includes a detachable slide projection unit which permits copying of an image from a slide.This application is a continuation-in-part of U.S. patent application Ser. No. 07/149 855, filed on Jan. 29, 1988 now U.S. Pat. No. 4,860,058 issued Aug. 22, 1989.