Recording tape cartridge

Details Recording tape cartridge Recording tape cartridge

2007-10-23

2007-10-23

Nguyen, John Q. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C360S132000

Reexamination Certificate

active

10784716

ABSTRACT:
In a recording tape cartridge, a reel has a reel hub around which a magnetic tape is wound. An annular reel gear is formed at an outer surface of a bottom portion of the reel hub. Rotation of the reel is impeded by a braking member engaging with an engaging gear formed at an inner surface of the bottom portion. When a clutch member is pressed by a rotating shaft of a drive device, the clutch member is guided by rotation restricting ribs which are engaged with rotation restricting grooves such that relative rotation is impossible, and the clutch member moves in an axial direction of the reel and cancels engagement of the braking member with the engaging gear. A press operation surface and the rotation restricting grooves are positioned further toward a radial direction inner side than the reel gear.

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