Optical thread breakage monitoring apparatus

Details Optical thread breakage monitoring apparatus Optical thread breakage monitoring apparatus

1986-10-29

1987-09-08

Feldbaum, Ronald

Sewing

Special machines

Embroidering

112273, 250561, 200 6118, D05C 1508, D05C 1518

Patent

active

046916474

ABSTRACT:
An optical thread breakage monitoring apparatus for tufting machines has a laser beam scanning apparatus (21). The retroreflecting strip (11) illuminated by this laser beam scanning apparatus (21) is secured above the eyes (12) of the needles (13) to the front side of the needle beam (14) (FIG. 1).

REFERENCES:
patent: 4109594 (1978-08-01), Spanel et al.
patent: 4538536 (1985-09-01), Sick
patent: 4549413 (1985-10-01), Flamig
patent: 4625666 (1986-12-01), Sick

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