Concave tape guide

Details Concave tape guide Concave tape guide

1974-10-04

1976-10-19

Schacher, Richard A.

Advancing material of indeterminate length

With adherence or attraction of material to advancing means

By pneumatic pressure

226195, 226196, B65H 1730

Patent

active

039866513

ABSTRACT:
A concave web guide is disclosed wherein the direction of motion of a web may be changed by a concave web guide which contacts the convex surface of the web. This contact is maintained through the use of a vacuum supplied through spaces in the web guide surface. To minimize contact, air under high pressure emanates from small holes in the guide surface creating an air bearing. This concave web guide may be used in a single capstan symmetrical web feeding system wherein all elements contact the same surface of the web and is particularly applicable to magnetic tape drive systems.

REFERENCES:
patent: 3420424 (1969-01-01), Barbeau
patent: 3723981 (1973-03-01), Stange
patent: 3871597 (1975-03-01), LaMens

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