Magnetic tape drive with friction compensation

Details Magnetic tape drive with friction compensation Magnetic tape drive with friction compensation

1978-08-18

1980-01-29

Gilreath, Stanley N.

Winding, tensioning, or guiding

Reeling device

Fishing rod reel

226181, 226196, 242 76, G11B 1526, G11B 1560, B65H 5714

Patent

active

041857950

ABSTRACT:
In a magnetic tape drive arrangement having a tension-controlled loop, with the tension in the part of the magnetic tape upstream from the loop being maintained constant as far as possible by suitable means in a conventional manner, compensation of variations of the tension of the magnetic tape in the loop as the result of variations in the coefficients of friction of the magnetic heads due to changes in temperature and humidity, is provided by an element which frictionally engages the magnetic tape upstream from the closed loop, coefficient of friction and angle of contact of the element being selected in accordance with a specific relationship.

REFERENCES:
patent: 2687882 (1954-08-01), Pettus
patent: 2893653 (1959-07-01), Schultheis et al.
patent: 2948488 (1960-08-01), Schoebel et al.
patent: 3820701 (1974-06-01), Clunis
patent: 4091979 (1978-05-01), Browder

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