Magnetic tape cartridge

Details Magnetic tape cartridge Magnetic tape cartridge

2007-10-30

2007-10-30

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C360S132000

Reexamination Certificate

active

11071205

ABSTRACT:
In a magnetic tape cartridge (1) having a metal plate (25) at the central portion of the bottom surface of a reel hub (21) with a reel gear (24) being defined around its periphery, the metal plate (25) is disposed in a manner such that the outer periphery of the metal plate (25) is positioned under the inner facing surface of the reel gear (24). As a result, occurrence of a sink mark during molding at a portion where the reel gear (24) is formed and deformation of the reel hub (21) due to tape widing tention are prevented.

REFERENCES:
patent: 6568619 (2003-05-01), Shiga et al.
patent: 6700742 (2004-03-01), Tsuyuki et al.
patent: 2002/0181152 (2002-12-01), Tsuyuki et al.
patent: 2003/0001038 (2003-01-01), Hiraguchi et al.
patent: 2003/0146327 (2003-08-01), Satch et al.
patent: 1148500 (2001-10-01), None
patent: 2000048526 (0000-02-01), None
patent: 2000-48526 (2000-02-01), None
patent: 2002-93108 (2002-03-01), None

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