Weaving machine feeding apparatus with oscillating dancer roll

Details Weaving machine feeding apparatus with oscillating dancer roll Weaving machine feeding apparatus with oscillating dancer roll

1992-10-27

1993-11-09

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Feeding

139103, 226 42, 226 44, D03D 4906

Patent

active

052594211

ABSTRACT:
Apparatus for feeding warp yarns to a weaving machine has a driven yarn tensioning roll (A) over which passes the warp yarn as it is pulled from a supply into the weaving machine. Thereafter, the warp yarn passes over a dancer roll (B) and a guide (C). A motor (D) drives the roll (A) for rotation responsive to oscillation of the dancer roll (B) resulting from yarn tension. Power operated apparatus (E) including fluid operated cylinders move the dancer roll and guide away from the yarn tensioning roll (A) to permit quick thread up of the weaving machine. By providing a second driven yarn tensioning roll and associated elements it is possible to more effectively mix warp yarns being fed into the weaving machine. A potentiometer (F) is driven by oscillation of the dancer roll for controlling the speed of the motor (D).

REFERENCES:
patent: 3807613 (1974-04-01), Holm
patent: 3966106 (1976-06-01), Randpalu
patent: 4407331 (1983-10-01), Rehling et al.
patent: 4750527 (1988-06-01), Rehling
patent: 4896808 (1990-01-01), Bolza-Schunemann et al.

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