Device for holding and releasing bobbin tubes in a pot spinning

Details Device for holding and releasing bobbin tubes in a pot spinning Device for holding and releasing bobbin tubes in a pot spinning

1996-10-11

1998-09-29

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

57275, D01H 108

Patent

active

058132082

ABSTRACT:
A device for holding and releasing bobbin tubes in a pot spinning frame. A bobbin tube holding body has a longitudinal axis, an interior passage along the axis, and a lower end, with the lower end having an outer surface and being adapted to fit within a bobbin tube. A yarn guide for pot spinning is moveably mounted in the passage of the bobbin tube holding body for movement with respect to the bobbin tube holding body along a predetermined path aligned with the axis. A plurality of gripping elements are disposed at the lower end of the bobbin tube holding body concentrically with respect to the axis, and each of the gripping elements are moveable between an extended position extending radially outward of the outer surface of the lower end of the bobbin tube holding body for gripping engagement of the bobbin tube, and a retracted position radially inward of the outer surface out of gripping engagement with the bobbin tube. The gripping elements are moveable from each of their positions to their other position in response to movement of the yarn guide along its predetermined path.

REFERENCES:
patent: 802161 (1905-10-01), Gill
patent: 874662 (1907-12-01), De Vito
patent: 3030761 (1962-04-01), Negishi
patent: 3462934 (1969-08-01), Schulz et al.
patent: 3633959 (1972-01-01), McCollough et al.
patent: 4777792 (1988-10-01), Marzoli
patent: 5515672 (1996-05-01), Koltze et al.
patent: 5588602 (1996-12-01), Uno et al.

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