Thread-guiding device for collecting spun yarns on bobbins particularly for open-end spinning frames
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United States of America Patent
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May 24, 2005
Grant Date -
Nov 27, 2003
app pub date -
Mar 3, 2003
filing date -
Mar 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Thread-guiding device for collecting spun yarns on bobbins, particularly for open-end spinning frames, constituted by a common thread-guiding rod which carries the thread-guides for the spinning units, driven in alternate movement in front of the bobbins being formed by the motion of a driving means controlled in turn by a motor capable of alternate rotation and controlled by the control unit of the spinning frame in its alternate clockwise/counterclockwise movement as regards instantaneous speed, amplitude of angular excursion, angular coordinates of the ends of its travel.
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