Guide roller for a tape driving belt in a data storage cartridge

Details Guide roller for a tape driving belt in a data storage cartridge Guide roller for a tape driving belt in a data storage cartridge

1996-09-09

1997-10-14

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 23087

Patent

active

056778171

ABSTRACT:
The present invention provides a data cartridge having a cartridge case (1) capable of containing either of two kinds of magnetic tapes differing from each other in width. The data cartridge is provided with a pair of guide rollers (8) for guiding a driving belt ((9) for driving a magnetic tape (5). Each guide roller (8) has a crowned working surface (8a) having a maximum portion having a maximum diameter. The maximum portion is dislocated from a position corresponding to the middle between the opposite ends of the guide roller (8) toward one of the opposite ends by a specific distance. Each guide roller (8) is set in a position in which the maximum portion is below the position corresponding to the middle between the opposite ends when the data cartridge is provided with a first magnetic tape (1/4 in. magnetic tape) or in a position in which the maximum portion is above the position corresponding to the middle between the opposite ends when the data cartridge is provided with a second magnetic tape (8 mm magnetic tape) having a width greater than that of the first magnetic tape.

REFERENCES:
patent: 4635155 (1987-01-01), Georgens et al.
patent: 5416659 (1995-05-01), Saitou et al.
patent: 5559655 (1996-09-01), Saitou et al.

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