Overhung mounted rotatable centering spindle

Details Overhung mounted rotatable centering spindle Overhung mounted rotatable centering spindle

1982-05-28

1984-03-27

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Strand guiding or guarding

57261, 57263, D01H 1500, B65H 5700, B65H 6900

Patent

active

044386249

ABSTRACT:
An overhung mounted rotatable centering spindle (5) for centering a yarn (1) at an open-end spinning location is disclosed having a central groove (52) into which threaded grooves (500, 510) run together oppositely from both sides. The direction of rotation of the centering spindle (5) is reversible. Both threaded grooves have different core diameters (d.sub.1, d.sub.2), the smaller core diameter (d.sub.2) being towards the free end of the centering spindle (5) so that the yarn is immediately and with certainty ejected from the free end of the spindle during reverse rotation.

REFERENCES:
patent: 3169714 (1965-02-01), Schippers
patent: 3198446 (1965-08-01), Furst et al.
patent: 3248063 (1966-04-01), Sheldon et al.
patent: 3599416 (1971-08-01), Reuter et al.
patent: 3739566 (1973-06-01), Smith
patent: 4223517 (1980-09-01), Hugges et al.

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