Electronic feeder apparatus for automatically controlling the te

Details Electronic feeder apparatus for automatically controlling the te Electronic feeder apparatus for automatically controlling the te

1993-03-16

1994-06-28

Crowder, Clifford D.

Textiles: knitting

Feeding

Strand tensions

66163, 242 37R, D04B 1544

Patent

active

053236254

ABSTRACT:
A feeder apparatus for automatically controlling in real time the tension of a textile yarn, includes a control device for continuously controlling the tension of the textile yarn, before supplying it to a textile machine, the control device controlling a swinging lever arranged downstream of a drum and driving an adjustable movable shield element adapted to intercept a light, thermal or electromagnetic radiation impinging on a sensor which transforms the received radiation into an electronic signal proportional to said radiation and driving a display of the yarn tension.

REFERENCES:
patent: 3807199 (1974-04-01), Rosen
patent: 4016732 (1977-04-01), Merkle
patent: 4194375 (1980-03-01), Marchisio
patent: 4455549 (1984-06-01), Rydborn
patent: 4628710 (1986-12-01), Jacobsson
patent: 4744227 (1988-05-01), Whitener, Jr. et al.
patent: 4752044 (1988-06-01), Memminger et al.
patent: 4829790 (1989-05-01), Memminger et al.
patent: 5136499 (1992-08-01), Rydborn

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