Stencil printer having printing paper feed control structure
    1.
    发明授权
    Stencil printer having printing paper feed control structure 有权
    具有打印纸进给控制结构的模板打印机

    公开(公告)号:US5979311A

    公开(公告)日:1999-11-09

    申请号:US218454

    申请日:1998-12-22

    CPC分类号: B41L13/06 B41L13/16

    摘要: A stencil printer includes a rotary printing drum around which the stencil master is wrapped, a main motor which rotates the printing drum, a press roller which is rotatable in parallel to the printing drum in contact with the printing drum, and a pair of opposed conveyor rollers which feed a printing paper between the printing drum and the press roller so that the leading end of the printing paper meets the printing drum in a predetermined position of the printing drum. A conveyor roller motor is provided separately from the main motor and drives the conveyor rollers. A reference position sensor detects a reference position on the printing drum, a printing drum rotation detector detects rotation of the printing drum on the basis of the reference position, and a conveyor roller rotation detector detects rotation of at least one of the conveyor rollers. A conveyor roller controller controls the conveyor roller motor on the basis of the rotation of the printing drum and the rotation of the conveyor roller so that the leading end of the printing paper meets the printing drum in the predetermined position of the printing drum.

    摘要翻译: 模版印刷机包括:旋转印刷滚筒,模板主体被包裹在该旋转印刷滚筒上,使印刷滚筒旋转的主马达,与印刷滚筒接触的平行于印刷滚筒转动的加压辊,以及一对相对的传送带 辊子在印刷鼓和压辊之间输送打印纸,使得打印纸的前端在印版滚筒的预定位置与印刷滚筒相接触。 输送辊马达与主马达分开设置并驱动输送辊。 基准位置传感器检测印刷鼓上的基准位置,印刷鼓旋转检测器基于基准位置检测印刷滚筒的旋转,传送辊旋转检测器检测至少一个传送辊的旋转。 输送辊控制器基于印刷鼓的旋转和输送辊的旋转来控制输送辊电动机,使得打印纸的前端在印刷鼓的预定位置与印刷鼓相遇。

    Print medium feed device and stencil printing machine
    2.
    发明授权
    Print medium feed device and stencil printing machine 失效
    打印介质进纸装置和模版印刷机

    公开(公告)号:US06581514B2

    公开(公告)日:2003-06-24

    申请号:US09859414

    申请日:2001-05-18

    申请人: Osamu Kakurai

    发明人: Osamu Kakurai

    IPC分类号: B41L1300

    摘要: A print medium feed device and a stencil printing machine employing the same are disclosed wherein a print medium as a print sheet, transferred with a pair of secondary paper feed rollers, is transferred through a pair of transfer guide members to a press drum by which transfer of the print medium is succeeded. An upper transfer guide member, with which the print medium is brought into sliding contact, is periodically shifted between a guide position to allow the print medium to be guided to the press drum, and an inoperative non-guide position in which the upper transfer guide member is separated from the other transfer guide member. A shaft of one secondary paper feed roller is exerted with a rotational braking effect by a torque limiter, whose rotational braking effect is periodically released by a clutch unit.

    摘要翻译: 公开了一种打印介质进给装置和采用该打印介质进给装置的模版印刷机,其中作为打印纸的打印介质通过一对次级进纸辊传送,通过一对传送导向件传送到压鼓, 的打印介质成功。 打印介质滑动接触的上转印引导构件周期性地在导向位置之间移动,以允许打印介质被引导到压鼓,以及不工作的非导向位置,其中上转印导向件 构件与另一个转移引导构件分离。 一个二次进纸辊的轴由转矩限制器施加旋转制动作用,转矩限制器的旋转制动效果由离合器单元周期性地释放。