Doffing mechanism for spinning and twisting frames

Details Doffing mechanism for spinning and twisting frames Doffing mechanism for spinning and twisting frames

1975-11-03

1976-11-23

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

D01H 910

Patent

active

039928667

ABSTRACT:
A bobbin doffing mechanism for spinning and twisting frames is disclosed, the improvement consisting in that a plurality of fluid-controlled doffing units is mounted on a generally elliptical race so that the spindle line is arranged along a rectilinear path of the race, the opposite rectilinear path being opposite to the spindle line. The plurality of doffing units travel in a closed loop on the generally elliptical path. The doffing units comprise gripping members for doffing and discharging the bobbins, these units being fluid-controlled, preferably pneumatically controlled, the sequence of operations being commanded by a specially provided cam mechanism.

REFERENCES:
patent: 3566597 (1971-03-01), Para
patent: 3696602 (1972-10-01), Olson et al.
patent: 3854275 (1974-12-01), Bethea et al.
patent: 3908348 (1975-09-01), Hirschle et al.

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