G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 33/14 (2006.01) G11B 23/037 (2006.01) G11B 23/087 (2006.01)
Patent
CA 2097227
The invention is a tape reel brake which is mounted in a well in the top of a tape reel hub. The well is inside the tape bearing surface of the hub. The brake is mounted to be compliantly biased away from the base of the well. The hub is seated against a first inside surface of a tape cartridge housing. The hub and brake are seated in the tape cartridge such that teeth on the periphery of the brake are biased against the opposite inside surface of the cartridge housing about the periphery of an opening therein. The biasing of the brake against the opposite inside surface both prevents the rotation of the reel and shields out dust when the tape cartridge is removed from a tape drive. To rotate the reel, a tape drive clutch enters the opening in the opposite inside surface and depresses the brake into the well to mate with a smaller diameter portion of the hub or a recessed portion of the brake. The hub is always maintained on the inside surface of the housing, thereby eliminating lateral motion which could disrupt the tape path.
Albrecht Thomas Robert
Argumedo Armando Jesus
East Don Gaylord
Eaton James Howard
Felde Steven Lloyd
International Business Machines Corporation
Saunders Raymond H.
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