Positioning device of the thread skein-end of the thread for service trolleys for open-end spinning machines
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United States of America Patent
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Sep 16, 2008
Grant Date -
Aug 2, 2007
app pub date -
Dec 27, 2006
filing date -
Jan 4, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Service trolley for open-end spinning machines equipped for the depositing of the final thread reserve on the exhausted bobbin comprising a thread-guide with a horizontal worm-screw, equipped with a cantilever supporting arm which allows its positioning at different levels and also its axial movement, activated in controlled clockwise/anticlockwise rotation driven by a motor, thus determining both the level and axial coordinate to which the thread is brought and wound onto the tube.
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