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    • 3. 发明授权
    • Plate lockup apparatus for sheet-fed press
    • 用于单张纸的印版锁定装置
    • US5182994A
    • 1993-02-02
    • US786533
    • 1991-11-01
    • Hiroyuki SugiyamaToshio MiyamotoKazuhiro Maejima
    • Hiroyuki SugiyamaToshio MiyamotoKazuhiro Maejima
    • B41F27/12
    • B41F27/1243
    • A plate lockup apparatus for a printing press includes a leading-side lockup device, a trailing-side lockup device, and a cam mechanism. The trailing-side lockup device is located in the gap of the plate cylinder and grips a trailing edge of the plate, the trailing-side lockup device having a lockup table and a gripper plate, each having a plate gripper surface extending in a radial direction of the plate cylinder. The lockup table and the gripper plate are connected to each other at non-gripping ends thereof through a shaft. The cam mechanism has a cam, a cam surface of which is in contact with the lockup table. The cam mechanism is operated such that at a start of pivotal movement of the cam, the plate gripper surfaces of the lockup table and the gripper plate are closed to grip the plate, and at an end of pivotal movement of the cam, the lockup table and the gripper plate are moved together in a circumferential direction of the plate cylinder to tighten the gripped plate.
    • 一种用于印刷机的板锁定装置,包括前侧锁定装置,后侧锁定装置和凸轮机构。 后侧锁止装置位于印版滚筒的间隙中,并夹持板的后缘,后侧锁定装置具有锁定台和夹持板,每个具有沿径向方向延伸的板夹持器表面 的印版滚筒。 锁定台和夹持板通过轴在其非抓取端彼此连接。 凸轮机构具有凸轮,其凸轮表面与锁定台接触。 操作凸轮机构,使得在凸轮的枢转运动开始时,闭锁台和夹持板的板夹持器表面被关闭以夹持板,并且在凸轮的枢转运动的结束时,锁定台 并且夹持板在印版滚筒的圆周方向上一起移动,以紧固夹持板。
    • 4. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US06965742B2
    • 2005-11-15
    • US10698529
    • 2003-11-03
    • Toshio MiyamotoMasahiko SuzumiKoji Nihonyanagi
    • Toshio MiyamotoMasahiko SuzumiKoji Nihonyanagi
    • G03G15/00G03G15/02G03G15/16G03G21/00
    • G03G15/1675
    • An image forming apparatus which can prevent the electric discharge when the trailing edge of a recording material passes a transferring position, and yet can stabilize the surface potential of a photosensitive drum. A controller changes a transfer bias voltage Vt during the supply of paper to 0 V before the trailing edge of recording paper arrives at a transferring nip part, changes it to a transfer bias voltage V0 during the non-supply of paper after the trailing edge of the recording paper has passed the transferring nip part, and changes a charging bias voltage to a charging bias voltage smaller than a normal charging bias voltage when an area on the photosensitive drum to which 0 V has been applied passes a charging nip portion. The transfer bias voltage V0 during the non-supply of paper is smaller than the transfer bias voltage Vt during the supply of paper.
    • 一种图像形成装置,当记录材料的后缘通过转印位置时,能够防止放电,并且还可以稳定感光鼓的表面电位。 在记录纸的后缘到达传送压区部分之前,控制器将纸张供给期间的转印偏压电压Vt改变为0V,在非记录纸张期间将其转换为转印偏压V 0 0 < 在记录纸的后缘通过传送夹持部分之后的纸张供应,并且当施加了0V的感光鼓上的区域时,将充电偏置电压改变为小于正常充电偏压的充电偏置电压 通过充电压区部分。 非供纸期间的转印偏压电压V 0 <0>小于供纸期间的转印偏压电压Vt。
    • 5. 发明申请
    • Image heating apparatus having heater for externally heating fixing roller
    • 图像加热装置具有用于外部加热定影辊的加热器
    • US20050169656A1
    • 2005-08-04
    • US11046872
    • 2005-02-01
    • Koji NihonyanagiToshio MiyamotoMasahiko Suzumi
    • Koji NihonyanagiToshio MiyamotoMasahiko Suzumi
    • G03G15/20G03G15/00
    • G03G15/2025
    • The image heating apparatus for heating a toner image formed on a recording material, comprising, a rotatable member; heating device for heating an outer peripheral surface of the rotatable member, the heating device including a heater for forming a heating nip portion in cooperation with the rotatable member; back-up device for forming a conveying nip portion in cooperation with the rotatable member, the conveying nip portion conveying the recording material; and control device for controlling a temperature of the heater and a rotation of the rotatable member, wherein the apparatus has a cleaning mode to remove toner from the heating device, and the control device rotates or reversely rotates the rotatable member in a condition that the heater dissipates heat in the cleaning mode. By the virtue of the present invention, it prevents stain caused by the off-set of toner the recording material in an image heating apparatus.
    • 用于加热形成在记录材料上的调色剂图像的图像加热装置,包括可旋转构件; 加热装置,用于加热可旋转构件的外周表面,加热装置包括与可旋转构件协作形成加热辊隙部分的加热器; 用于与可旋转构件协作形成输送辊隙部分的备用装置,输送夹持部分输送记录材料; 以及用于控制加热器的温度和旋转构件的旋转的控制装置,其中,该装置具有从加热装置去除调色剂的清洁模式,并且控制装置在加热器的条件下旋转或反向旋转可旋转构件 在清洁模式下散热。 借助于本发明,可以防止由图像加热装置中的记录材料的调色剂偏离造成的污染。