Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1979-07-25

1981-03-10

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

226190, B65H 1720

Patent

active

042549230

ABSTRACT:
A magnetic tape cassette in which a cassette housing has half cases with aligned, confronting projections on innder surfaces thereof on which a cylindrical guide roll with an axial bore therethrough is supported, has an annular, axially projecting rib on either the guide rolls or the projections so as to prevent any burrs which may be on the guide roll around the axial bore therethrough from coming into contact with the projections, thereby preventing noise which might otherwise be caused by the burrs.

REFERENCES:
patent: 3432083 (1969-03-01), Rentschler et al.
patent: 3907234 (1975-09-01), Sato et al.
patent: 4076186 (1978-02-01), Oishi et al.

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