Feed control apparatus

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

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Details

247 673R, B65H 2308

Patent

active

046731415

ABSTRACT:
Feed control apparatus includes a rotatable supply roll on which a supply of sheet or ribbon to be dispensed may be placed, a brake for applying variable braking force to said supply roll to prevent overrunning of the sheet or ribbon from the roll due to inertial effects, a cam for controlling the brake to provide maximum braking force when the supply of sheet or ribbon on the roll is a maximum and for reducing the braking force as the supply of sheet or ribbon on the roll is reduced, cam operating mechanism driven by the rotation of the supply roll to move the cam incrementally for each revolution of the supply roll, and a reset mechanism for resetting the cam back to its initial position following each feeding operation.

REFERENCES:
patent: 2248014 (1941-07-01), Roesen
patent: 2396492 (1946-03-01), Childers
patent: 2811320 (1957-10-01), Troendle
patent: 2838253 (1958-06-01), Jacobsen
patent: 3147933 (1964-09-01), Grieve et al.
patent: 3288384 (1966-11-01), Clark
patent: 3432020 (1969-03-01), Caudill et al.
patent: 3669376 (1972-06-01), Lucas
patent: 4013160 (1977-03-01), Colecchi et al.
patent: 4279390 (1981-07-01), Wu et al.
patent: 4337001 (1982-06-01), Cappotto
patent: 4373824 (1983-02-01), Olsen
patent: 4422592 (1983-12-01), Swope
Torrington Bearing Catalog #576, Copyright 1976, pp. 156 to 160.

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