DONNING AND DOFFING YARN TUBES USING MAGNETIC FORCE
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Jul 30, 2010
filing date -
Jul 30, 2010
priority date (Note) -
Abandoned
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Abstract
A method and a device are disclosed for donning and doffing, using magnetic force, yarn tubes mounted on a creel. A base frame is used to support pivoted arms on which yarn tubes are mounted for use with various textile machines. The yarn tube may be in at least one of two positions: donning position and doffing position. In the doffing position the thread may be fed to the textile machine for weaving, while in the donning position the thread spool may be replaced by another thread spool. The pivoted arms may be held in either the donning or the doffing positions with magnetic force for secure positioning of the pivoted arms. One-handed and easy operation of the donning and doffing process may be performed due to the use of magnetic force to hold the pivot arm in the predetermined positions.
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