Stop motion for narrow width needle looms

Details Stop motion for narrow width needle looms Stop motion for narrow width needle looms

1976-05-25

1977-09-20

Kee Chi, James

Textiles: weaving

Stopping

Take-up mechanism actuated

139348, D03D 5118

Patent

active

040490238

ABSTRACT:
A floating electrode is positioned in the nip between a pair of tape pull rollers on a needle loom for sensing the presence of excess yarn in the nip caused by improper winding of the tape on a take-up roll or a wrap around one of the pull rollers to an undue extent. Upon contact of the electrode by the excess yarn, the electrode is raised to contact a screw to establish an electric circuit to a relay to stop operation of the loom. The distance between the contact screw and electrode is adjustable by threading or unthreading the screw in its support to accommodate acceptable slack on the take-up roll and wrap around the pull roller.

REFERENCES:
patent: 2471845 (1949-05-01), Szabo et al.
patent: 2639735 (1953-05-01), Fisher
patent: 2771911 (1956-11-01), Holt
patent: 3200853 (1965-08-01), Koyder et al.
patent: 3703914 (1972-11-01), Freisler
patent: 3851680 (1974-12-01), Murray
patent: 4006758 (1977-02-01), Libby

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