Low profile magnetic tape drive with vacuum actuated auto-thread

Details Low profile magnetic tape drive with vacuum actuated auto-thread Low profile magnetic tape drive with vacuum actuated auto-thread

1979-09-25

1981-01-06

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

226 91, 226 97, 242 683, G03B 104, G11B 1532

Patent

active

042431867

ABSTRACT:
Supply and take-up reels are mounted above a horizontal base for selective powered rotation about respective vertical axes. Vertical guide surfaces and a cover panel define an air tight continuous flowpath extending between the peripheries of the reels past a read/write head. A blower mounted in a hood structure beneath the base sucks air through the flowpath and through a perforated center spool of the take-up reel. A river of air thus pulls and guides the free end portion of the magnetic tape from the supply reel to the take-up reel as the supply reel is rotated by a drive motor to unwind the tape therefrom. The supply hub is adapted to automatically center the supply reel thereon. The supply hub further includes a plurality of annularly spaced reel engaging pawls mounted in, and normally retracted into the hub, and an over-center actuating means for selectively extending the pawls through differential rotation of a pair of separate rotors included in the hub.

REFERENCES:
patent: 3233841 (1966-02-01), Neff
patent: 3712561 (1973-01-01), Williams
patent: 3761035 (1973-09-01), Wang
patent: 3801033 (1974-04-01), Sanderson
patent: 3863863 (1975-02-01), Ende
Wangco-Incorporated Product Description, #202595A-776, published 9/76.

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