Method and apparatus for controlling the stock tension as it is

Details Method and apparatus for controlling the stock tension as it is Method and apparatus for controlling the stock tension as it is

1975-08-29

1977-01-25

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 786, B65H 7522, B21C 4716

Patent

active

040047504

ABSTRACT:
A method and apparatus for controlling stock tension as it is withdrawn from a coil in which a coil support is mounted for rotation about an axis transverse to the direction of withdrawal of stock from the coil and also for limited shifting movement along a path lengthwise of the direction of stock withdrawal. Shifting movement of the coil support in the direction of stock withdrawal is yieldably opposed with a generally uniform biasing force and the rotation of the coil about its axis is variably braked in response to shifting of the coil along said path to maintain the exiting tension on the stock substantially equal to the biasing force.

REFERENCES:
patent: 2023502 (1935-12-01), Armstrong
patent: 2472548 (1949-06-01), Schnell
patent: 3258219 (1966-06-01), McLendon
patent: 3306551 (1967-02-01), Martin
patent: 3717313 (1973-02-01), Williams
patent: 3749136 (1973-07-01), Robinson

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