Apparatus for the winding of a thread onto a reel
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United States of America Patent
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-
Dec 6, 1994
Issued Date -
N/A
app pub date -
Nov 27, 1992
filing date -
Jun 20, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparatus for the winding of a thread onto a reel. A thread is guided by a thread guide fastened to a cord. The cord is driven by a drive part, which, under the action of a transfer roller engaging in a slot, executes a harmonic oscillation. A transfer roller is attached to a disc-shaped bearing part, driven by means of a driving wheel, and can, for changing the amplitude of the harmonic oscillation, be displaced in the radial direction by utilizing an electric motor. For the purpose of approximating the thread guide movement to a triangular oscillation, a heart-shaped compensating disc, likewise driven by the driving wheel, sets a carriage in oscillating movement synchronous to the harmonic oscillation, so that, due to displaceable pairs of rollers, which are mounted on the carriage and via which the cord is led, as also via fixed rollers lying between successive displaceable rollers, in each case the path of the cord is lengthened on one side of the traversing interval and correspondingly shortened on the other side.
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