Electromagnet for stopping the unwinding of the weft yarn in wef

Details Electromagnet for stopping the unwinding of the weft yarn in wef Electromagnet for stopping the unwinding of the weft yarn in wef

1984-10-09

1986-12-30

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

335257, 242 4701, D03D 4736

Patent

active

046321551

ABSTRACT:
In an improved electromagnet structure for stopping the unwinding of the weft yarn in weft feeding devices for weaving looms, comprises--mounted in a casing--an electromagnetic coil and an armature mobile therein. The armature comprises a shank, at least partly constituted by a piece of stainless steel cable and a head of ferrous material fixed to the shank by rolling and/or plastic deformation. The head is urged, on activation of the coil, to strike against a stopping plate interposed between the casing and its closure cover, against the action of a return spring and by way of a damping washer carried by the plate.

REFERENCES:
patent: 985676 (1911-02-01), Howe
patent: 2735047 (1956-02-01), Garner et al.
patent: 3303445 (1967-02-01), Flentge
patent: 3426304 (1969-02-01), Cannon et al.
patent: 3895331 (1975-07-01), Saarem
patent: 4127835 (1978-11-01), Knutson
patent: 4262271 (1981-04-01), Bowers
patent: 4358691 (1982-11-01), Naylor
patent: 4407336 (1983-10-01), Steiner
patent: 4490057 (1984-12-01), Reece

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