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(11) | EP 2 573 015 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Yarn unwinding assisting device for automatic winder |
(57) A yarn unwinding assisting device (1) is provided with a yarn unwinding assisting
unit (U) including a fixed cylinder (first regulating cylinder) (11), a movable cylinder
(second regulating cylinder) (13) and a moving structure (4) for moving the movable
cylinder (13), and a height adjusting structure (5) for adjusting a height position
of the yarn unwinding assisting unit (U) in a direction of a yarn path. The height
adjusting structure (5) includes a shaft (50) extendedly fixed in the direction of
the yarn path, a clamping member (51) that is attached to the yarn unwinding assisting
unit (U), moves along the shaft (50) and can clamp the shaft (50), and an operation
lever (52) to manipulate the clamping member (51) to clamp or release the shaft (50).
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