Electrical system for monitoring warp yarns in weaving machines

Details Electrical system for monitoring warp yarns in weaving machines Electrical system for monitoring warp yarns in weaving machines

1983-03-15

1985-06-11

Kee Chi, James

Textiles: weaving

Stopping

Warp

28187, 66163, 200 6118, D03D 5128

Patent

active

045222363

ABSTRACT:
The invention relates to a system for electrically monitoring warp yarn ruptures, comprising drop wires which in case of rupture of a warp yarn will fall from the warp yarns on an electrical contact rail. The locating time to determine the precise site of warp yarn rupture is thereby shortened substantially. To achieve this aim, the contact rails are severally divided in the longitudinal direction, that is, in the direction of the weft yarns. Light-emitting diodes are mounted at each of such divisions which they bridge. Those LEDs lighting up in case of warp yarn rupture permit rapidly reading off the narrower range within which a warp yarn rupture has taken place.

REFERENCES:
patent: 3246091 (1966-04-01), Koch
patent: 3324899 (1967-06-01), Stagg, Jr.
patent: 3725911 (1973-04-01), Cook et al.
patent: 3940954 (1976-03-01), Romoli
patent: 4321951 (1982-03-01), Hintsch
patent: 4333411 (1982-06-01), Lerner

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