Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1984-04-12

1987-05-26

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Head accessory

36013033, 242199, G11B 1560

Patent

active

046690182

ABSTRACT:
A cassette tape having a reduced amount of movement of the tape in the widthwise direction of the tape. A U-shaped shield plate is disposed between and behind guide poles which protrude on both sides of a magnetic head inserting hole. The shield plate has two end portions shaped so as to form a pair of substantially semicylindrically curved pieces extending in the widthwise direction of the shield plate. Each pair is fitted around a corresponding one of the guide poles. A cutout is formed between the curved pieces having a width slightly greater than the width of the magnetic tape, thereby forming a tape running path with the curved pieces.

REFERENCES:
patent: 3556434 (1971-01-01), Koeppe
patent: 3934842 (1976-01-01), Posso
patent: 4288826 (1981-09-01), Sato
patent: 4300180 (1981-11-01), Sellers

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