Device for cutting a tail-end of a yarn package formed on a base

Textiles: spinning – twisting – and twining – Apparatus and processes – Web material

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Details

57 54, 57131, 242 18EW, D01H 138

Patent

active

039674401

ABSTRACT:
An improved device for cutting a tail-end yarn portion connecting a spiral wind formed on a yarn package and a tail-end winding formed on a base portion of each spindle of a textile machine, at the time of carrying out the doffing operation. A cutting device is mounted on a base portion of each spindle and a bobbin is supported by the spindle at a position right above the cutting device. The cutting device is provided with a ring shaped cutter and a guide member for holding the cutter and a crip member formed right below the guide member. The diameter of the guide member is larger than the diameter of the crip member and the guide member is provided with at least one cut-out groove, preferably a plurality of cut-out grooves, formed at the circumferential portion thereof so that a part of a knife edge of the cutter is projected outside therefrom but positioned within the outer-periphery of the guide member. When a ring rail of the textile machine is displaced to its lower most position the tail-end yarn portion is caught by the cut-out groove of the guide member and is urged against the knife edge of the cutter while displacing along the knife edge, and then cut.

REFERENCES:
patent: 3210922 (1965-10-01), Winter
patent: 3283489 (1966-11-01), Bakker
patent: 3321901 (1967-05-01), Adams et al.
patent: 3339356 (1967-09-01), Nikel et al.
patent: 3490218 (1970-01-01), Naegeli
patent: 3530657 (1970-09-01), Grau
patent: 3731479 (1973-05-01), Flowers et al.

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