Device for the automatic anchoring of the outer yarn end of balls in automatic balling machines
AssigneeG & W Maschinen AG
InventorRudolf Knecht
Life of this patent
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Abstract
A winding mandrel for a ball winding machine has umbrella stretchers at its forward portion on which yarn is wound. The front end of the mandrel is provided with a plurality of radial channels open on frontal edged for receiving a yarn and retaining means movable with respect to the front end to occlude at least one of the radial channels to hold the yarn in the channel.
Claims5
Apparatus for anchoring the terminal thread end of a ball wound on an automatic winding machine having a winding mandrel mounted at its rear end for rotation about its central axis, and stretcher means at its frontal end on which said thread is wound, said apparatus comprising a plurality of open channels formed on the frontal surface of the forward end of the mandrel for receiving the thread, said channels extending radially perpendicular to the central axis, and retaining means rotatable with respect to the frontal end of said mandrel between a first position in which at least a part of at least one of said channels is open frontally and a second position in which said at least one of said channels is frontally occluded whereby a thread may be received and retained in said at least one of said channels.
Dependencies are inferred from the claim text.