Device for stopping bobbin rail of flyer frame at a desired posi

Details Device for stopping bobbin rail of flyer frame at a desired posi Device for stopping bobbin rail of flyer frame at a desired posi

1992-03-03

1993-11-09

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 71, 57276, 57 98, 242 263, D01H 104

Patent

active

052591794

ABSTRACT:
When a full bobbin signal from a counter CCM counting the number of rotations of the front roller (3) is output, the control element (28) outputs a signal directed to the control motor (M2) of a unit (29) for reciprocating a bobbin rail (10). As a result, the rotation of the control motor (M2) is combined with the rotation of a differential gear (14 ) connected to the main motor (M1), so that a reciprocating movement of the bobbin rail (10) after the full bobbin state is obtained which is faster than that obtained during a usual taking up operation of the roving, which causes the roving to be wound on the bobbin in a much coarser state than usual. A limit switch (LSP) detects a predetermined desired position of the bobbin rail (10), and the control element (28) outputs a signal directed to the unit (29), whereby the main motor (M1) and the control motor (M2) are stopped.

REFERENCES:
patent: 3287891 (1966-11-01), Pfeifer
patent: 3316700 (1967-05-01), Mason et al.
patent: 3751898 (1973-08-01), Inaba et al.
patent: 4122654 (1978-10-01), Oswald
patent: 4138072 (1979-02-01), Aoyama et al.
patent: 4384689 (1983-05-01), Bloomfield et al.
patent: 4467592 (1984-08-01), Araki
patent: 5117621 (1992-06-01), Feichtinger et al.

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