Torsion bar type warp tensioning device for a loom

Details Torsion bar type warp tensioning device for a loom Torsion bar type warp tensioning device for a loom

1990-04-19

1992-02-25

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Feeding

D03D 4912

Patent

active

050904531

ABSTRACT:
A tensioning device of a loom is embodied by a tensioning element rotatably mounted on a plurality of rollers which, in turn, are supported at spaced apart bearing places on a drive shaft. The drive shaft is biased by a torsion bar acted on its end by an adjusting mechanism driven by means of an eccentric. The tensioning device comprises a reduced number of parts of reduced dimension and can therefore adapt very rapidly to changes in the position of the warp yarns. The tensioning device is particularly suitable for high-speed looms which process delicate warp yarns.

REFERENCES:
patent: 4240471 (1980-12-01), Rotrekl et al.
patent: 4534386 (1985-08-01), Pfarrwaller
patent: 4546801 (1985-10-01), Bucher et al.

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