Recording tape cartridge

Details Recording tape cartridge Recording tape cartridge

2008-04-15

2008-04-15

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C360S132000

Reexamination Certificate

active

11412746

ABSTRACT:
A recording tape cartridge with high strength and resistance to deformation around an opening aperture of a case, which opening aperture is for drawing out recording tape. The recording tape cartridge is provided with a leader block at a distal end of a magnetic tape. Left and right peripheral portions of this leader block are defined by wall portions. The leader block is mounted and removed at a leader block-retaining portion, which is an opening portion which penetrates through the case vertically. An opening aperture for drawing out the magnetic tape from the case is formed at a base portion of the leader block-retaining portion. Because the wall portions are provided, the leader block-retaining portion does not have free-standing end portions at any of a front wall at a front wall side thereof, a ceiling plate and a floor plate, and strength of the leader block-retaining portion is high.

REFERENCES:
patent: 4452406 (1984-06-01), Richard
patent: 5261626 (1993-11-01), Hoge et al.
patent: 2005/0061902 (2005-03-01), Sanpei et al.

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