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1. 发明授权

US4583412A Universal joint arrangement for forming a variable-velocity drive for driving a window cutter roller of an envelope machine 失效
标题翻译：用于形成用于驱动信封机的窗口切割辊的变速驱动器的万向接头装置
公开(公告)号：US4583412A
公开(公告)日：1986-04-22
申请号：US626212
申请日：1984-06-29
申请人： Jurgen Jung , Gerd Ruttert
发明人： Jurgen Jung , Gerd Ruttert
IPC分类号： F16H35/02 , B23D25/02 , F16H21/40 , F16H21/52
CPC分类号： F16H35/02 , Y10T74/1836 , Y10T74/19555 , Y10T83/4737
摘要： A variable-velocity drive is provided which serves to so control the periral velocity of a window cutter roller in an envelope machine working from the reel that, irrespective of the developed length of such roller, the velocity of the window cutter is the same as that of the paper web for the time that such cutter is operative on such web. To this end, the variable-velocity drive is basically devised from a number of universal joints interconnecting shafts whose axes intersect one another at an angle of up to approximately 45.degree.; the universal joints are so offset from one another in rotation that the variations or irregularities arising in the discrete joints are superimposed upon one another so as to have an amplifying effect. Since any one such universal joint arrangement passes through two velocity maxima and two velocity minima per revolution, gearing is provided on the input and output side to make the universal joint arrangement run at half the cycle speed.
摘要翻译：提供了一种变速驱动器，其用于控制从卷轴工作的信封机中的窗口切割辊的圆周速度，无论这种辊的显影长度如何，窗口切割器的速度与该切割器的速度是一样的的纸张，这样的切割器在这样的网上可操作的时间。为此，变速驱动基本上来自于多个互相连接的轴的万向接头，其轴的轴线相交于大约45°的角度; 万向接头的旋转相互偏移，使离散接头中出现的变化或不规则性彼此叠加，从而具有放大效应。由于任何一个这样的万向节布置通过两个速度最大值和每转两个最小速度，所以在输入和输出侧设置齿轮以使万向接头装置以循环速度的一半运行。

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