Method and apparatus for stopping a flyer frame

Details Method and apparatus for stopping a flyer frame Method and apparatus for stopping a flyer frame

1976-06-02

1978-06-20

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57156, D01H 1316

Patent

active

040954013

ABSTRACT:
Method and apparatus for stopping a flyer frame at the time a roving breakage occurs in an outer layer of any roving package during the spinning operation thereof. When such roving breakage occurs, an abnormal amount of floating flies separated from the broken end portions of the roving scatter in the space between the twisting and winding mechanisms. Such abnormal amount of flies interrupt a light beam emitted from a light emitter, disposed at a position adjacent to and outside one end of the alignment of the twisting and winding flying mechanisms, toward a light receiver, disposed adjacent to and outside, but at the other end, of said alignment. When such interruption occurs the light receiver issues a signal indicating the interruption of the light beam to a power supply relay via a particular control circuit which identifies the abnormal amount of floating flies from the usual amount of floating flies. Therefore, when the control circuit identifies the signal corresponding to the abnormal amount of floating flies, the signal issued from the light receiver actuates the power supply relay so as to stop the flyer frame.

REFERENCES:
patent: 2704430 (1955-03-01), Harris
patent: 3043991 (1962-07-01), Schneider et al.
patent: 3099829 (1963-07-01), Namenyi-Katz
patent: 3114233 (1963-12-01), Guri
patent: 3309859 (1967-03-01), Vehorn
patent: 3438189 (1969-04-01), Gasser et al.

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