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1. 发明授权

US3960089A Device for unwinding thread and bobbin used therewith 失效
标题翻译：用于松开螺纹和筒管的装置
公开(公告)号：US3960089A
公开(公告)日：1976-06-01
申请号：US503572
申请日：1974-09-06
申请人： Pieter Joseph Bogaert
发明人： Pieter Joseph Bogaert
IPC分类号： D05B59/00 , B65H49/26 , D05B57/14 , B65H49/18
CPC分类号： D05B57/14 , B65H49/26 , B65H2701/31
摘要： There is described a device for unwindng thread by means of which the bobbin can easily rotate about the pin when a pull is exerted on the thread, but which stops the bobbin very rapidly when said pull on the thread stops, in such a way that the thread is thus no more unwound. The cross-section of the pin when considered at a right angle to the lenthwise direction thereof and the inner cross-section of the bobbin sleeve, also as considered at a right angle to the lengthwise direction thereof, at least where the sleeve and the pin engage one another, are so selected as to make possible a sidewise movement of the bobbin relating to the pin and at least where the sleeve and the pin engage one another, the one cross-section is circular while the other cross-section has a shape which is substantially different from a circular shape.
摘要翻译：描述了一种用于松开螺纹的装置，当拉线施加在线上时，线轴可以容易地围绕销旋转，但是当线上的拉动停止时，筒管非常快速地停止，从而使得因此，线程没有更多的展开。考虑到与其长度方向成直角的角度，考虑到与其十字形方向成直角的销的横截面和筒管的内横截面至少在套筒和销彼此接合，被选择成使得与销相关的筒管的侧向移动成为可能，并且至少在套筒和销彼此接合的地方，一个横截面是圆形的，而另一个横截面具有形状这与圆形形状大不相同。

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