Magnetic tape cassette having a tape passage including ribs

Details Magnetic tape cassette having a tape passage including ribs Magnetic tape cassette having a tape passage including ribs

1985-10-22

1988-03-22

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 60, 360 746, 242199, G11B 1552, G11B 2302

Patent

active

047333170

ABSTRACT:
A magnetic tape cassette is provided with a detection hold laterally extending between two cylindrical holes extending from the upper surface of the upper half casing and the lower surface of the lower half casing in which ribs are formed in the detection hole to restrict vertical movement of a magnetic tape running between the two cylindrical holes.

REFERENCES:
patent: 3615155 (1971-10-01), Gelbman
patent: 3764088 (1973-10-01), Yamada et al.
patent: 3826447 (1974-07-01), Yabu et al.
patent: 3861622 (1975-01-01), Wakami et al.
patent: 4162774 (1979-07-01), Bowers
patent: 4231532 (1980-11-01), Popov et al.
patent: 4307427 (1981-12-01), Kawachi
patent: 4343024 (1982-08-01), Kawai
patent: 4380032 (1983-04-01), Pfost
patent: 4646186 (1987-02-01), Tsuchiya et al.

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