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    • 2. 发明授权
    • Printing piston assembly
    • 印刷活塞组件
    • US4108556A
    • 1978-08-22
    • US726106
    • 1976-09-24
    • Thomas Patrick Connoy
    • Thomas Patrick Connoy
    • B41F1/04B41J1/02B41F3/54
    • B41F1/04
    • An improved force exerting means for a printing apparatus of the type having a printing station, a printing force resisting means, a front element and an image carrier wherein said improved force exerting means includes a curved force exerting surface, a means for guiding and supporting the curved surface in rolling movement relative to a printing station between first and second positions such that a printing force is exerted against successive portions of a printing surface, and means for moving the curved surface in rolling movement between said first and second positions.
    • 一种用于具有印刷台,印刷力抵抗装置,前部元件和图像载体的类型的打印装置的改进的作用装置,其中所述改进的施加力的装置包括弯曲力施加表面,用于引导和支撑 相对于印刷台在第一和第二位置之间的滚动移动的弯曲表面,使得印刷力被施加到印刷表面的连续部分,以及用于在所述第一和第二位置之间的滚动运动中使所述弯曲表面移动的装置。
    • 7. 发明授权
    • Light weight intaglio printing press
    • 轻质凹版印刷机
    • US06216590B1
    • 2001-04-17
    • US09516353
    • 2000-03-01
    • Paul L. Whelan
    • Paul L. Whelan
    • B41F320
    • B41F1/04
    • The present invention employs a light weight fixed bed to support an intaglio plate, and discloses a print roller mounted on a movable trolley which is advanced across the intaglio plate causing the pressure of the print roller to effect the printing. The trolley is fabricated from light weight beams substantially forming the sides of a hollow box beam, and the print roller is stiffened by support of intermediate rollers tied to a trolley beam. This precludes the print roller from flexing under the load presented by the intaglio plate and the associated paper and felt material as the print roller under pressure traverses the plate. This allows the use of a lighter, smaller diameter print roller. Handwheels attached to the trolley provide spring loaded pressure to control the pressure of the print roller on the intaglio plate assembly. The trolley is driven across the bed and plate by a manually operated external drive wheel, which causes the print roller to rotate under pressure across the plate effecting printing as it rolls. Below the bed of the table is a lower roller attached to the trolley and circumfirentially in contact with the lower bed face. This roller provides support to the underside of the fixed bed to prevent its flexure under the pressure of the print wheel pressing on the plate assembly at the upper surface of the bed. Also supporting this lower roller are intermediate rollers secured to the horizontal lower trolley beam.
    • 本发明采用一种重量轻的固定床来支撑凹版,并且公开了一种安装在可移动小车上的打印辊,该可移动小车穿过凹版板前进,导致打印辊的压力实现打印。 手推车由基本上形成中空箱梁的侧面的轻质梁制成,并且通过支撑连接到手推车梁的中间辊来加固印刷辊。 这样排除了打印辊在压印下穿过印版的情况下,由凹版印刷和相关的纸和毛毡材料所承载的载荷下弯曲。 这允许使用更轻,更小直径的打印辊。 连接到手推车的手轮提供弹簧加载压力,以控制凹版板组件上的打印辊的压力。 手推车通过手动操作的外部驱动轮被驱动穿过床和板,这使得打印辊在压力下横过板进行打印,从而在打印时进行打印。 在桌子下方是连接在手推车上的下滚筒,并且与下床面接触地环绕着。 该辊为固定床的下侧提供支撑,以防止在打印轮的压力下在床的上表面压在板组件上的弯曲。 支撑该下辊也是固定在水平下推车梁上的中间辊。