Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1984-03-14

1988-11-01

Watkins, Donald

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360132, G03B 104, G11B 2308, G11B 1532

Patent

active

047813407

ABSTRACT:
A magnetic tape cassette has a pair of tape reels contained in a lower casing in a rotatable manner and a leaf spring fixed to an upper casing to press down at the free end portions central projections of the tape reels, wherein the leaf spring is formed to have a substantially arcuate central portion and linear free end portions under non-loading condition, the free end portions being respectively in contact with the top of the central projection.

REFERENCES:
patent: 3801042 (1974-04-01), Dobson
patent: 3971071 (1976-07-01), Urayama
patent: 4368860 (1983-01-01), Goto
patent: 4408733 (1983-10-01), Ooishi et al.

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