Weft-beating mechanism with variable-stroke reed

Details Weft-beating mechanism with variable-stroke reed Weft-beating mechanism with variable-stroke reed

1974-04-12

1976-02-24

Jaudon, Henry S.

Textiles: weaving

Special-type looms

Irregular warp feed

D03D 3922

Patent

active

039398765

ABSTRACT:
A weft-beating mechanism with variable-stroke reed for use in a loom for weaving toweling fabric in which, between the sley and the drive, there is provided a transmission operable by a control element to vary the stroke of the sley. The transmission comprises a sleeve having a multiplicity of axial grooves juxtaposed with axial grooves on the control element, the confronting grooves receiving balls for coupling the control element with the sleeve. The control element is provided additionally with helical grooves which confront helical grooves on the sley, the confronting grooves receiving balls for coupling the sley to the control element. When axial displacement of the control element is prevented, therefore, the sley undergoes full stroke displacement whereas, when the control element permits axial displacement, a less than full stroke is applied.

REFERENCES:
patent: 501585 (1893-07-01), Young
patent: 1593851 (1926-07-01), Ryon
patent: 3339589 (1967-09-01), Gotz et al.

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