Disc storage cassettes
AssigneeInternational Business Machines Corporation
InventorsDavid J. Altknecht, Donald S. Bethune, William M. Dyer, A. David Erpelding, Steven R. Hetzler, Drew B. Lawson, Daniel F. Smith
Life of this patent
Estimating the term…
Abstract
A disc cassette includes a curved portion configured to hold multiple discs and a platform portion abuts the curved portion. The platform portion and the curved portion each include multiple rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair. Disc slots of the platform portion of the disc cassette are configured to provide a guide for disc removal from the disc cassette.
Claims20
A disc cassette comprising:
- a curved portion configured to hold a plurality of discs;
- and
- a platform portion abutting the curved portion;
- and
- a movable bale configured to maintain discs securely in the disc cassette;
- wherein:
- each of the platform portion and the curved portion comprising:
- a plurality of rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair;
- and
- disc slots of the platform portion of the disc cassette are configured to provide a guide for disc removal from the disc cassette.
A disc cassette comprising:
- a curved portion including a first lip portion, the curved portion configured to hold a plurality of discs;
- a platform portion abutting the curved portion, wherein a second lip portion is formed between the curved portion and the platform portion, and the first lip is positioned at a greater height on the disc cassette than the second lip;
- and
- a movable bale configured to maintain discs securely in the disc cassette;
- wherein each of the platform portion and the curved portion comprising a plurality of rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair.
A disc cassette comprising:
- a curved portion configured to hold a plurality of discs;
- a platform portion abutting the curved portion;
- and
- a movable bale configured to maintain discs securely in the disc cassette;
- wherein:
- each of the platform portion and the curved portion comprising:
- a plurality of rib pairs configured to separate adjacent discs from touching one another, and to form a disc slot between each rib pair;
- disc slots of the platform portion of the disc cassette are configured to provide a guide for disc removal from the disc cassette;
- and
- the disc slot is configured to provide a disc pitch less than 166% of disc thickness.
Dependencies are inferred from the claim text.