Foreign object detector for protection of carding machines

Details Foreign object detector for protection of carding machines Foreign object detector for protection of carding machines

1982-03-01

1983-08-30

Rimrodt, Louis

Textiles: fiber preparation

Stopping

Thickness detection

19105, D01G 1502

Patent

active

044008503

ABSTRACT:
A mechanical foreign object detector upstream from the feed roll of a carding machine faithfully detects minute hard objects in the lap which could damage the lickerin or other components of the card. Spring-loaded detector pins penetrate through the lap and contact foreign objects on an apertured plate beneath the lap. Such pins rise and contact a wire connected in a stop motion circuit which immediately stops the operation of the doffer and the feed roll before any damage can occur. A visual and/or audible indicator alerts the operator to the presence of a foreign object or objects which the operator removes by hand before restarting the card by operation of a key-operated reset switch in the circuit. The mechanical detector apparatus includes a power drive which is synchronized with the operation of the feed roll of the card.

REFERENCES:
patent: 2086308 (1937-07-01), Hille et al.
patent: 2734335 (1956-02-01), Saunders et al.
patent: 3092875 (1963-06-01), McLean
patent: 3889318 (1975-06-01), Leinek et al.
patent: 4030635 (1977-06-01), Hablutzel et al.
patent: 4257147 (1981-03-01), Moss

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