Device for interrupting feed of a roving to a drawing frame

Details Device for interrupting feed of a roving to a drawing frame Device for interrupting feed of a roving to a drawing frame

1984-05-15

1985-09-03

Rimrodt, Louis K.

Textiles: fiber preparation

Stopping

Break or run-out detection

19258, 19288, 57 87, D01H 1316, D01H 1318

Patent

active

045383286

ABSTRACT:
A device for interrupting feed of a roving on a drawing frame, having a feed roller pair, e.g., a powered bottom roller and a top roller tensioned against the bottom roller by springs, includes a clamp for lifting the top roller away from the bottom roller and clamping the roving against the circumference of the top roller. The clamp is disposed on a lever pivotable about an axis parallel to the axes of the feed roller pair and is shiftable with respect to a clamping edge, in the feed direction of the roving, toward the circumference of the top roller. The clamp includes a tongue which initially engages in the nip between the rollers and a portion having a toothed profile which cooperates with the clamping edge by engaging the roving.

REFERENCES:
patent: 1885423 (1932-11-01), Fenton
patent: 2763035 (1956-09-01), Mackie
patent: 3695022 (1972-10-01), Landwehrkamp
patent: 4280321 (1981-07-01), Marzoli
patent: 4326371 (1982-04-01), Soar
patent: 4432195 (1984-02-01), Stahlecker

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