Magnetic tape cassettes

Details Magnetic tape cassettes Magnetic tape cassettes

1990-02-20

1993-01-19

Stodola, Daniel P.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

G11B 2304

Patent

active

051801183

ABSTRACT:
A magnetic tape cassette housing is divided into a major part and a rear frame member attached to the rear end of the major part. The major part is divided into a pair of side frame members which are formed of a material of low friction coefficient and a main body surrounded and held together by the side frame members and rear frame member. The housing is of double-layer structure consisting of inside and outside layers. The inside layers are formed with steps along the edges of the side frame members and the rear frame member, and the outside layers are so formed as to fall onto the steps and extend inwardly of the edges of the side frame members. The main body and side frame members are formed with mutually engageable, temporary fasteners. The outer surface of the outside layer is satin crape finished and at least the interface between the inside and outside layers mirror finished.

REFERENCES:
patent: 4754938 (1988-07-01), Satoh
patent: 4767007 (1988-08-01), Oishi et al.
patent: 4809928 (1989-03-01), Hoffrichter et al.
patent: 4875584 (1989-10-01), Ackeret
patent: 4892266 (1990-01-01), Tanaka et al.
patent: 4965690 (1990-10-01), Tanaka et al.

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