Filament tensioner

Details Filament tensioner Filament tensioner

1984-07-25

1986-11-18

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 37R, 318459, B65H 5938, B65H 63024

Patent

active

046231013

ABSTRACT:
A filament tensioner for controlling the tension of filament or roving as it is wound onto an article includes means for sensing the tension in the filament as it is being transferred from a spool and means coupled to the tension sensing means for adjusting the output torque of a motor which drives the spool to in turn maintain the filament tension at a desired value. The tension sensing means includes a pivoted arm, a roller rotatably coupled to an end of the pivoted arm, the roller being engaged by the filament so that the pivoted arm is pivoted to a position determined by the tension in the filament and means for generating a position signal representing the position of the pivoted arm. In the preferred embodiment, the position signal is utilized by a pulse width modulated drive system to control the output torque of the motor.

REFERENCES:
patent: 2844773 (1958-07-01), Turner et al.
patent: 2966315 (1960-12-01), Pegram
patent: 2981491 (1961-04-01), Eans, Jr.
patent: 3101912 (1963-08-01), Bartlett
patent: 3371878 (1968-03-01), Garner

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