Patent ID: 6043963
Filing Date: 2000-03-28
Classification: G11B

Abstract:
A magnetic tape cartridge, comprising:a reel having a hub, a pair of parallel flanges extending radially from the hub, a circumference, and a rotational axis, wherein the flanges are adapted to surround a roll of magnetic tape wound on the hub of the reel;a drive member rigidly and coaxially mounted on the reel, the drive member being adapted to engage a drive motor in a tape drive for rotating the reel therewith;a shell having an inner surface which surrounds the circumference of the reel; and wherein the cartridge has a locked position wherein the shell engages the circumference of the reel to prevent movement therebetween, and an unlocked position wherein the shell disengages the circumference of the reel to allow the reel to rotate relative thereto.