Variable geometry vacuum column

Details Variable geometry vacuum column Variable geometry vacuum column

1980-10-08

1983-03-22

Christian, Leonard D.

Advancing material of indeterminate length

With means to retard material movement

226118, 242 753, 242182, B65H 2308, G11B 1558

Patent

active

043772510

ABSTRACT:
A tension regulator for magnetic recording tape, which comprises a plurality of side members forming an encased columnar space having an open top for receiving a flexible tape loop. One of the side members is adjustably positionable relative to the other side member for changing the cross-sectional area of the columnar space in order to vary the tension applied to the flexible tape being received by the tension regulator.

REFERENCES:
patent: 3156109 (1964-11-01), Fieldgate
patent: 3156423 (1964-11-01), Potter et al.
patent: 3223338 (1965-12-01), Takeuchi
patent: 4218026 (1980-08-01), Stange

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