Apparatus for adjusting the thread feed rate of a circular knitt

Details Apparatus for adjusting the thread feed rate of a circular knitt Apparatus for adjusting the thread feed rate of a circular knitt

1978-05-03

1980-03-25

Reynolds, Wm. Carter

Textiles: knitting

Feeding

Positive

66146, D04B 1548

Patent

active

041943759

ABSTRACT:
An apparatus for adjusting the thread feed rate and hence the thread tension of a multiple-feed circular knitting machine includes transducer means in the form of a resiliently biased rocker mountable on the machine. The rocker can operate one of two microswitches whenever the tension of a thread engaging the transducer is greater than a predetermined value and can operate the other when it is less than the predetermined value. The microswitches control the energization of a servomotor operable to increase or decrease the speed of a rotary drive for driving the machine's thread feed device as necessary in order to bring the thread tension to the predetermined value.

REFERENCES:
patent: 2079341 (1937-05-01), Wachsman
patent: 2600256 (1952-06-01), Morrison et al.
patent: 2825016 (1958-02-01), Bailey
patent: 3225570 (1965-12-01), Mishcon
patent: 3667036 (1972-07-01), Hatay
patent: 3858416 (1975-01-01), White et al.
patent: 3962891 (1976-06-01), Rouzaud

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