Pivotable suction tube for taking up a yarn from a bobbin

Details Pivotable suction tube for taking up a yarn from a bobbin Pivotable suction tube for taking up a yarn from a bobbin

1982-06-02

1984-08-07

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57305, 242 356R, 242 356E, D01H 1502, B65H 5422

Patent

active

044635486

ABSTRACT:
In a pivotable suction tube (3) for taking up a yarn from a bobbin, there is provided for transfer of the yarn to an operating element, on its side facing the bobbin, an elongate slot (32), with which is associated a controllable closure piece (33, 35) extending over at least a substantial portion of it. The suction tube (3) possesses a tubular section (30) having a shape being symmetric to its axis with which is associated as a closure piece a rotatable slider (33) provided with an axial slot (330). The closure piece (33, 35) carries a stop (333, 352) with which is associated a counter-stop (20, 410) which becomes effective in dependence on the pivoting motion of the suction tube (3).

REFERENCES:
patent: 2432722 (1947-12-01), Campbell
patent: 3077312 (1963-02-01), Furst
patent: 3131879 (1964-05-01), Glastra et al.
patent: 3136494 (1964-06-01), Furst
patent: 3595493 (1971-07-01), Tsukuma et al.
patent: 3810352 (1974-05-01), Miyazaki et al.
patent: 4120140 (1978-10-01), Raasch et al.
patent: 4145867 (1979-03-01), Kamp

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