Reel and recording tape cartridge

Details Reel and recording tape cartridge Reel and recording tape cartridge

2008-07-22

2008-07-22

Rivera, William A (Department: 3654)

Winding, tensioning, or guiding

Coil holder or support

Spool or core

C242S348000, C360S132000

Reexamination Certificate

active

10894036

ABSTRACT:
A reel of a recording tape cartridge has a reel hub formed in a shape of a hollow cylinder; an annular reel gear; an upper flange; a lower flange; and a reel plate. A reel gear is provided coaxially at an outer surface of a floor of the reel hub, and meshes with a driving gear of a rotating shaft of a drive device. A reference surface is provided integrally at an outer side of the floor. The upper flange extends integrally toward a radial direction outer side from an open end of the reel hub. The lower flange is mounted to a floor side end of the reel hub, and opposes the upper flange. The reel plate is fixed to the outer surface of the floor, and is attracted by a magnet of the rotating shaft without being contacted by the magnet.

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