Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

G - Physics

11

B

G11B 5/627 (2006.01) G11B 23/087 (2006.01)

Patent

CA 2093850

- 1 - Abstract A magnetic tape cassette for accommodating a length of magnetic tape, comprises a generally rectangular, flat, box- like casing including a pair of flat panels confronting each other. A pair of hub assemblies is rotatably accommodated within the casing in spaced relation to each other, and at least one generally rectangular low-friction sheet is interposed between the hub assemblies and one of the flat panels adjacent one end of the inner hub of each hub assembly. Each of the hub assemblies includes cylindrical outer and inner hubs coaxial with each other, at least one end of the inner hub protruding axially outwardly from a pane in which an annular end face of the adjacent outer hub lies. The low- friction sheet has a flat region and a pair of longitudinal ridges formed on respective side of the flat region and spaced a predetermined distance from each other. the protruding end of the inner hub of each hub assembly is supported on and rests rotatably on the flat region of the low-friction sheet. The distance between the ridges is chosen to be greater than the outer diameter of the outer hub of each hub assembly. The arrangement has the advantage of reducing the tension in the tape.

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