Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

2006-03-21

2006-03-21

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C242S341000

Reexamination Certificate

active

07014136

ABSTRACT:
The present invention aims to prevent damages of a magnetic tape in a magnetic tape cassette adapted to be operated in a recording and reproducing apparatus which can similarly operate a plurality of magnetic tape cassettes.More specifically, in the invention, differences (A1−B1, A2−B2) between heights A1, A2of radially inner portions (32a), (42a) of lower flanges (32), (42) and heights B1, B2of ribs (35a), (45a) of lower halves (35), (45) for restricting a height of the magnetic tape are equal (A1−B1=A2−B2) in a plurality of the magnetic tape cassettes which have the same vertical sizes and different sizes in a horizontal direction.

REFERENCES:
patent: 4476505 (1984-10-01), Ogata et al.
patent: 5316236 (1994-05-01), Hasegawa et al.
patent: 5558291 (1996-09-01), Anderson et al.
patent: 5-347079 (1993-12-01), None
patent: 189490 (1996-11-01), None
patent: 8-329647 (1996-12-01), None

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