Device for effecting and maintaining the vertical tension of the

Details Device for effecting and maintaining the vertical tension of the Device for effecting and maintaining the vertical tension of the

1988-09-28

1989-08-08

Feldbaum, Ronald

Textiles: knitting

Fabric manipulation

Take-ups

D04B 1588

Patent

active

048541346

ABSTRACT:
The device comprises drums, which are coaxial and supported by an axle, located below needle beds subjected to a constant torque acting with springs being provided inside the drums as a mechanical connection between them and the axle.
Two pressure rollers for each drum are fitted to a number of arms mounted on a bar and holded in contact with the related drum, while electromagnets are provided to rotate one of the rollers by a predetermined amount in order to cause the related drum to be rotated in in synchrony with the formation of a corresponding portion of the last row of the fabric, that runs between the row of drums and related pairs of pressure rollers.

REFERENCES:
patent: 4503689 (1985-03-01), Goller et al.
patent: 4549214 (1985-10-01), Stoll et al.
patent: 4592412 (1986-06-01), Goller et al.

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