Tube-sensing device for doffing and donning apparatus

Details Tube-sensing device for doffing and donning apparatus Tube-sensing device for doffing and donning apparatus

1991-11-25

1993-04-20

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57275, 57281, D01H 904

Patent

active

052031551

ABSTRACT:
A doffing apparatus for removing a row of yarn tubes from a row of upright spindles has a support and a row of grabs mounted on the support, each engageable with a respective tube of a respective spindle, and movable for lifting the tubes off the spindles. Respective sensors at the grabs detect the presence of tubes in the respective stations and generate individual outputs respectively corresponding to the absence of tubes in the respective stations. A controller connected to all the sensors receives the outputs therefrom and stops the apparatus on detection of no tube in any of the stations.

REFERENCES:
patent: 3633959 (1972-01-01), McCollough
patent: 3791124 (1974-02-01), Kaufmann
patent: 3895482 (1975-07-01), Schulz et al.
patent: 4036001 (1977-07-01), Tamai et al.
patent: 4341067 (1982-07-01), Kondo et al.
patent: 5014505 (1991-05-01), Wernli et al.
patent: 5016433 (1991-05-01), Putz et al.
patent: 5058372 (1991-10-01), Staedele et al.

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