Weft yarn sensor

Details Weft yarn sensor Weft yarn sensor

1977-02-28

1978-10-03

Jaudon, Henry S.

Textiles: weaving

Stopping

Weft

139435, D03D 5134

Patent

active

041178700

ABSTRACT:
The presence and absence of an inserted weft yarn are sensed respectively by, in moving a sensor body having an aperture opening externally of the body and two contacts located in the aperture and engaged with each other by an elastic force from a first position in which the inserted weft yarn is passed through the aperture during insertion into a second position in which the inserted weft yarn is taken out from the aperture by disengaging the contacts, sensing the contacts being disengaged and remaining engaged.

REFERENCES:
patent: 2744545 (1956-05-01), Taylor et al.
patent: 3742973 (1973-07-01), Kakac

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