Thread feed device

Details Thread feed device Thread feed device

Filed on

1991-06-14

Date issued

1993-05-18

Examiner

Gilreath, Stanley N.

Patent Class

Winding, tensioning, or guiding

SubClass

Coil holder or support

SubSubClass

Spool or core

Other Related Categories

B65H 5120

Type

Patent

Status

active

Patent number

052113477

Description

ABSTRACT:
A thread feed device having a storage body to which the thread is fed at one end in circumferential direction, and from which the thread is drawn off in axial direction (overhead), and with which there is associated a scanning device. A signal of the scanning device controls the thread winding speed. A swing arm bears a sensor part of the scanning device, said sensor part cooperating without contact with a stationary sensor part. In all positions of the swing arm, signals received from the stationary sensor part, starting from the depositing of the first thread turns on the swing arm, controls a reduction in the thread-winding speed, which speed decreases to a minimum value in a manner, corresponding to the increasing coverage of the length of the swing arm by turns of thread.

REFERENCES:
patent: 3796386 (1974-03-01), Tannert
patent: 4298172 (1981-11-01), Hellstrom
patent: 4653701 (1987-03-01), Riva
patent: 4676442 (1987-06-01), Tholander et al.
patent: 4687149 (1987-08-01), Riva

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