Tight end circuitry II

Details Tight end circuitry II Tight end circuitry II

1976-04-15

1976-11-30

Hunter, H. Hampton

Sewing

Special machines

Buttonhole

112218R, 112219R, 200 6118, D05C 1518

Patent

active

039942457

ABSTRACT:
A multiple needle tufting machine having a multiplicity of yarns and a high tension detector for detecting when the tension of any yarn between the tufting machine and a yarn supply deviates from a predetermined normal and for identifying the particular yarn that so deviates. The detector includes a yarn contacting member for each yarn urged into engagement with the yarn for reacting to tension variation and to close a switch when the tension is excessive. Two electrical circuits for identifying the particular switch, and therefore yarn, are disclosed.

REFERENCES:
patent: 3009433 (1961-11-01), Kuhn
patent: 3221682 (1965-12-01), Bernell
patent: 3221683 (1965-12-01), Abelsma
patent: 3764773 (1973-10-01), Merkle
patent: 3783811 (1974-01-01), Schmedding et al.

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