Tape reel for magnetic tape cartridge

Details Tape reel for magnetic tape cartridge Tape reel for magnetic tape cartridge

2005-03-16

2008-09-02

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Coil holder or support

Spool or core

Reexamination Certificate

active

07419119

ABSTRACT:
A tape reel includes a reel body which has a lower flange and a bottomed tubular hub formed integrally with the lower flange and opening at its upper end. An upper flange is mounted on the upper end of the hub. A plurality of locking teeth engageable with a reel retainer and a plurality of driving teeth engageable with a driving shaft of a tape drive are, respectively, formed circumferentially on upper and lower surfaces of an outer peripheral edge portion of a bottom wall of the hub so as to project therefrom. On the lower surface of the bottom wall of the hub, a gate position for injection molding is provided at a position corresponding to that for forming the locking teeth.

REFERENCES:
patent: 6913218 (2005-07-01), Ishihara
patent: 2005/0145737 (2005-07-01), Iino
patent: 7-161167 (1995-06-01), None
patent: 11-238352 (1999-08-01), None
patent: 2002-269711 (2002-09-01), None
patent: 2002-367331 (2002-12-01), None

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