Drive arrangement for yarn storage and dispensing units

Winding – tensioning – or guiding – Coil holder or support – Spool or core

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Details

66132R, 139452, 242 4705, 242 4712, 310 67R, B65H 5120

Patent

active

041163974

ABSTRACT:
The arrangement includes a drive motor for driving the winding member of a yarn storage and dispensing unit. The output torque of the drive motor is substantially independent of the momentary operational speed. The drive motor either is a synchronous hysteresis motor comprising means for suppressing eddy currents, or is a DC motor the motor current of which is maintained at a constant value corresponding to the desired driving torque.

REFERENCES:
patent: 2772046 (1956-11-01), Shomphe
patent: 3002118 (1961-09-01), Papst
patent: 3273985 (1966-09-01), Small et al.
patent: 3329845 (1967-07-01), Lear
patent: 3476330 (1969-11-01), Curtland
patent: 3924818 (1975-12-01), Pfeifle

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