Dual torsion bar picking mechanism for a loom

Details Dual torsion bar picking mechanism for a loom Dual torsion bar picking mechanism for a loom

1990-10-15

1992-02-25

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Shuttle motions

D03D 4932

Patent

active

050904558

ABSTRACT:
The picking mechanism is provided with two torsion bars. One torsion bar is stressed in order to accelerate a gripper projectile of the loom. The second torsion bar, upon release of the first torsion bar, is temporarily connected to the first torsion bar so that energy can be stored by the second torsion bar via a double-arm lever. During a return motion of the acceleration lever to a picking position, the second torsion bar is relieved of tension by delivering the stored energy to the drive shaft of the picking mechanism via the double arm lever. The picking mechanism thus uses only little energy.

REFERENCES:
patent: 2160338 (1939-05-01), Moessinger
patent: 2715422 (1955-08-01), Pfarrwaller
patent: 4223703 (1980-09-01), Pfarrwaller

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