Textile machinery yarn supply apparatus

Details Textile machinery yarn supply apparatus Textile machinery yarn supply apparatus

1985-07-26

1987-06-16

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

66125R, 66132R, 66210, 226 24, 226 42, B65H 5130, D04B 1548, D04B 1550

Patent

active

046731393

ABSTRACT:
A yarn supply apparatus for yarn-using textile machinery has a rotatable yarn supply element (4) supplying yarn under slip free conditions at a predetermined tension, which is driven by a speed-controllable electric drive motor (6), the speed of which is controlled in accordance with the output signal of sensing means (7, 9) monitoring the travel speed of the yarn (11) supplied by the yarn supply element. In order to provide an apparatus which operates independently of external synchronizing means, the arrangement is such that the speed of the drive motor is synchronized with the sensing means output signal (36), which is representative of the yarn supply speed, and the sensing means (7, 9) are located at a distance behind the yarn supply element (4), as viewed in the direction of yarn travel.

REFERENCES:
patent: 2847763 (1958-08-01), Thomas
patent: 3648939 (1972-03-01), Rosen
patent: 3858415 (1975-01-01), Wilson et al.
patent: 3858416 (1975-01-01), White et al.
patent: 3962891 (1976-06-01), Rouzaud
patent: 4200212 (1980-04-01), Hartig et al.
patent: 4353227 (1982-10-01), Shields et al.
patent: 4436251 (1984-03-01), Deyesso

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