Title: False twisting device

Abstract: An open end spinning device or a false twisting device having two mutually parallel pairs of rollers for driving a spinning rotor or a twisting tube and a horseshoe-shaped magnet associated therewith for retaining the twisting tube or rotor in a wedge-shaped nip between the pairs of roller, each pole of the magnet acting on a collar on the rotor or twisting tube and being provided with a recess extending parallel to the axis of rotation of the rotor or tube and having a semi-circular cross-section to receive the collar is provided with a magnet having one pole shaped so that upon axially displacement of the rotor or tube away from its normal position by pull of the thread each of the collars still lies opposite the magnet at least at the base thereof.

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Inventors: Gassner, Hans (Schweinfurt, DT)
Kress, Manfred (Grafenrheinfeld, DT)

Application Number: 587596
Filing Date: 1975-06-17
Publication_date: 1977-02-22
Assignee: Kugelfischer Georg Schafer & Co. (Schweinfurt, DT)
Primary Class(es): 57/347 57/103, 57/406, 476/11
Other Classes:
US Patent Ref:

3058289	Oct, 1962	Raschle	57/77.
3142953	Aug, 1964	Gassner et al.	57/77.
3232037	Feb, 1966	Crouzet	57/77.
3267657	Aug, 1966	Kunzle et al.	57/77.
3304706	Feb, 1967	Mattingly	57/77.
3518824	Jul, 1970	Raschle	57/77.
3578751	May, 1971	Kodaira et al.	57/77.
3763642	Oct, 1973	Raschle	57/77.
3831366	Aug, 1974	Raschle	57/77.

Other Refs:
Primary Examiner: Petrakes, John
Assistant Examiner:
Attorney: Stevens, Davis, Miller & Mosher