Yarn winder

Details Yarn winder Yarn winder

1978-02-27

1979-08-21

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5428

Patent

active

041650476

ABSTRACT:
A yarn winder includes a package support roller and traversing mechanism which comprises slot-like guides on closely spaced contra-rotating driving members which may be either concentric or eccentric. A deflector arrangement at each end of the resultant field of traverse assists the transfer of the yarn from a guide on one driving member at one end of the field and then back to a guide on the first driving member at the other end of the field, each guide being followed in the direction of motion by a cam-like compensating surface, for temporarily increasing the length of the yarn path to take up slack which would otherwise be formed during transfer from one guide to another, and, in the case of concentric driving members, preceded in the direction of motion by a ramp-like lifting surface. Each of the deflector arrangements includes a control surface which is engaged by the yarn between the two yarn guides and is located in a gap defined on each side by a driving member and its associated yarn guide, the control surface at one end of the field of traverse being arranged to deflect the yarn in a direction away from the guides when the yarn is being transferred from an outer to an inner guide, and that at the opposite end of the field acting to depress the yarn toward the guides when the yarn is being transferred from an inner to an outer guide. Further control surfaces may be included for assisting the release of the yarn by a guide on one driving member and its retention by a guide on the other driving member to which it is being transferred.

REFERENCES:
patent: 1475525 (1923-11-01), Tober
patent: 2238128 (1941-04-01), Nydegger
patent: 3374961 (1968-03-01), Otsuka et al.
patent: 3650486 (1972-03-01), Hasegawa et al.

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