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    • 6. 发明授权
    • Apparatus for holding a printing medium on a rotary drum and ink jet
printer using the same
    • 用于将打印介质保持在旋转滚筒上的设备和使用其的喷墨打印机
    • US06120143A
    • 2000-09-19
    • US966911
    • 1997-11-06
    • Tsugio NarushimaTadao KamanoTakuro ItoMitsuo KuboHiroyuki TakadaYasuhiro SuzukiTakashi KashiwagiSakae ShiidaShinichiro Fujii
    • Tsugio NarushimaTadao KamanoTakuro ItoMitsuo KuboHiroyuki TakadaYasuhiro SuzukiTakashi KashiwagiSakae ShiidaShinichiro Fujii
    • B41J2/15B65H5/12B41J2/01G03G15/01
    • B65H5/12B41J2/15B65H2405/54B65H2406/33
    • An apparatus for holding a printing medium on a rotary drum, includes a rotary drum, a suction device, a medium holding mechanism and a medium removing device. The drum has a recess at its outer surface to extend along its rotation center line and rotates at a predetermined speed. A region of the outer surface, which is adjacent to a rearward end of the recess along the rotation direction, is smaller in the diameter than the remaining of the outer surface. The suction device holds by suction the medium onto the outer surface. The holding mechanism has a hook in the recess and selectively drives the hook between close and open positions. At the close position, the hook is placed over the adjacent region while being prevented from radially outwardly projecting from the remaining of the outer surface, and at the open position it is distanced from the adjacent region. When the medium arrives at the adjacent region, its leading end is held by the hook shifted from the open position to the close position and cooperated with the adjacent region and, when the drum rotates a specific number, the hook is returned to the open position. The removing device removes the medium from the outer surface when the drum rotates the specific number and the hook has moved from the close position to the open position.
    • 用于将打印介质保持在旋转滚筒上的装置包括旋转滚筒,抽吸装置,介质保持机构和介质移除装置。 滚筒在其外表面具有凹部,以沿其旋转中心线延伸并以预定速度旋转。 沿着旋转方向与凹部的后端相邻的外表面的区域的直径小于外表面的剩余部分的直径。 抽吸装置通过将介质吸入外表面而保持。 保持机构在凹部中具有钩,并且在紧密和打开位置之间选择性地驱动钩。 在关闭位置,钩被放置在相邻区域上方,同时被防止从外表面的其余部分径向向外突出,并且在打开位置,该钩与相邻区域相距离。 当介质到达相邻区域时,其前端由从打开位置移动到关闭位置的钩保持,并与相邻区域配合,并且当滚筒旋转特定数量时,钩返回到打开位置 。 当滚筒旋转特定数量并且钩已经从关闭位置移动到打开位置时,移除装置从外表面移除介质。
    • 9. 发明授权
    • Ink-jet printer
    • 喷墨打印机
    • US06309063B1
    • 2001-10-30
    • US09132926
    • 1998-08-12
    • Tadao KamanoHiroyuki TakadaShigeru MorinoHitoshi UshiogiKyouichi ShibataTakashi KashiwagiIzumi ArakiHiroshi YamaguchiHidenobu SuzukiHiroaki Watanabe
    • Tadao KamanoHiroyuki TakadaShigeru MorinoHitoshi UshiogiKyouichi ShibataTakashi KashiwagiIzumi ArakiHiroshi YamaguchiHidenobu SuzukiHiroaki Watanabe
    • B41J201
    • B41J11/006B41J13/223
    • An ink-jet printer includes a sheet feed-in mechanism 60 for feeding a paper sheet, a rotary drum 10 having a peripheral surface 11 of a size larger than the paper sheet to be fed by the sheet feed-in mechanism 60, for rotating at a constant speed, a sheet holding system 20 for holding the paper sheet on the peripheral surface of the rotary drum, a print head 200 for printing an image by repeatedly ejecting ink onto the paper sheet held on the peripheral surface of the rotary drum 10 while the rotary drum 10 performs a predetermined number of rotations, a sheet separator 140 for separating the paper sheet from the peripheral surface 11 of the rotary drum, a sheet feed-out mechanism 160 for feeding out the paper sheet separated by the sheet separator 140, a control unit 111 for controlling the sheet feed-in mechanism 60, the rotary drum 10, the sheet holding system 20, the print head 200, the sheet separator 140 and the sheet feed-out mechanism 160. In particular, the control unit 111 is constructed such that the sheet holding system 20, the print head 200 and the sheet separator 140 are sequentially driven on the basis of the number of rotations of the rotary drum 10.
    • 一种喷墨打印机包括用于供纸的片材馈入机构60,具有大于由片材馈入机构60供给的纸张的尺寸的周边表面11的旋转鼓10,用于旋转 以一定的速度,将用于将纸张保持在旋转鼓的外周表面上的片材保持系统20,用于通过反复地将油墨喷射到保持在旋转鼓10的圆周表面上的纸张上来打印图像的打印头200 当旋转滚筒10执行预定转数时,用于将纸张从旋转滚筒的圆周表面11分离的薄片分离器140,用于输出由薄片分离器140分离的纸张的送纸机构160 ,用于控制片材馈入机构60,旋转磁鼓10,片材保持系统20,打印头200,片材分离器140和片材供给机构160的控制单元111.特别地,控制单元 111 i 构造成使得片材保持系统20,打印头200和片材分离器140基于旋转鼓10的旋转次数被依次驱动。