Recording tape cartridge

Details Recording tape cartridge Recording tape cartridge

2005-02-22

2005-02-22

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C242S348200, C360S132000

Reexamination Certificate

active

06857592

ABSTRACT:
A recording tape cartridge of the invention houses a reel inside a case formed by joining together an upper case and a lower case. The reel includes a reel hub around which is wound a recording tape, with flanges being disposed at both axial-direction end portions of the reel hub. Movement of the reel in the axial (vertical) direction inside the case is possible. Upper ribs are disposed, in a radial manner coaxial with the reel and at equal intervals, so as to vertically project from an inner surface of the upper case opposing the flange of the upper case. The upper ribs are disposed, in a radial shape coaxial with the reel and at equal intervals, so as to vertically project from an inner surface of the lower case. The upper ribs and the lower ribs are disposed so as to have a phase difference therebetween in a circumferential direction.

REFERENCES:
patent: 6271991 (2001-08-01), Saliba et al.

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