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    • 6. 发明授权
    • Gripper apparatus for sheet-fed printing machines
    • 单张纸印刷机的夹具装置
    • US5542657A
    • 1996-08-06
    • US271478
    • 1994-07-07
    • Klemens KemmererHarald BayerValentin Gensheimer
    • Klemens KemmererHarald BayerValentin Gensheimer
    • B41F21/05B41F21/10B65H29/06
    • B41F21/104
    • A semishell-shaped gripper apparatus for sheet-fed printing machines includes a gripper of low mass, which is fastened without play on the gripper shaft and minimizes the sliding of the gripper tip on the printing carrier. This is achieved by having the gripper finger surround the gripper shaft in such a way that separate effective engagement surfaces are formed. The effective engagement surfaces are disposed on the gripper shaft with frictional engagement and, in conjunction with the resultant force, form a triangle of forces. The gripper holder has a depression running parallel to the gripper shaft connecting to the lower edge of a web on the gripper finger in a releasably positive-locking manner. The gripper tip has a raised holding surface which has tapering radii on its periphery.
    • 用于单张纸印刷机的半壳形夹具装置包括低质量的夹持器,其被紧固而不会在夹持轴上,并且使得夹持器尖端在打印载体上的滑动最小化。 这通过使夹持器手指围绕夹持器轴使得形成分离的有效接合表面的方式来实现。 有效的接合表面以摩擦接合的方式设置在夹持器轴上,并且与合力结合形成三角形的力。 夹持器保持器具有平行于夹持器轴线的凹陷,其以可释放地正锁定的方式连接到抓握器手指上的腹板的下边缘。 夹持器尖端具有凸起的保持表面,其周边上具有渐缩的半径。
    • 9. 发明授权
    • Arrangement for reducing vibration of cylinders in printing press
    • 减少印刷机油墨振动的布置
    • US4332194A
    • 1982-06-01
    • US225419
    • 1981-01-15
    • Valentin Gensheimer
    • Valentin Gensheimer
    • B41F13/08B41F7/02
    • B41F13/085
    • A rotary printing press having first and second cylinders in rolling engagement, the first cylinder being rigid and the second cylinder being resiliently covered, both of the cylinders having a longitudinal groove defining a gap in the cylinder surface, the gaps being rotated in opposed synchronism with one another. The groove in the first cylinder defines leading and trailing end walls with the end walls terminating at lips at the cylinder surface, the lips on the end walls each having bead projections which extend longitudinally therealong and which project a small distance outwardly from the nominal radius dimension of the cylinder thereby causing the lip on the leading end wall of the first cylinder to engage the surface of the second cylinder earlier than it would in the absence of a bead and causing the lip on the trailing end wall to separate from the surface of the second cylinder later than it would in the absence of the bead thereby to extend the pressure build-up and pressure drop-off angles between the cylinders and to cause a more gradual build-up of pressure between them to the operating level as well as a more gradual decrease from the operating level.
    • 一种具有滚动接合的第一和第二气缸的旋转印刷机,所述第一气缸是刚性的,所述第二气缸被弹性地覆盖,所述两个气缸都具有限定所述气缸表面中的间隙的纵向槽,所述间隙以与 另一个。 第一气缸中的凹槽限定前端壁和后端壁,端壁终止于气缸表面处的唇缘处,端壁上的唇缘各具有沿着其纵向延伸并且从公称半径尺寸向外突出一小段距离的凸缘突起 从而使得第一气缸的前端壁上的唇缘比不存在胎圈的情况更早地接合第二气缸的表面,并使得后端壁上的唇缘与 第二圆柱体比在没有珠的情况下更晚,从而延长气缸之间的压力积聚和压力下降角度并且使它们之间的压力逐渐增加到操作水平以及一个 从经营水平逐步下降。