Storage cassette for two or more disk-shaped high memory density information carriers
AssigneePolygram GmbH
InventorFrederik B. Nusselder
Life of this patent
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Abstract
A storage cassette suitable for the simultaneous storage of two and more tracked disks is provided with a box-shaped center part having an intermediate bottom part which is respectively terminated at its upper side and under side with a cover in the form of a box-shaped floor part, whereby each floor part is hingeable mounted in a hinge at one side at the center part. The cassette construction enables a disk to be supported and held in the cassette adjacent each floor part and on either side of the intermediate bottom part by virtue of a raised seat and peg arrangement centrally disposed on those parts.
Claims8
A storage cassette for a plurality of disk-shaped information carriers, each having information tracks, a central area free of information tracks, and a central hole having an inner surface, comprising a box-like center part having a planar intermediate bottom floor and formed on two parallel sides by raised lateral sidewalls extending above and below said bottom floor, a pair of movable box-like cover parts having box floors for overlying said center part bottom floor above and below said bottom floor, hinge pivot bearings in said sidewalls of said center part for connecting together said center part and said cover parts at adjacent ends thereof such that said cover parts are movable toward or away from said center part, and a pair of tray parts for fitting in said cover parts respectively, each defining a disk-shaped trough having a centrally disposed raised seat for receiving and supporting one said information carrier and a central peg means carried on said seat for engaging the inner surface of said carrier's central hole to hold said information carrier adjacent said trough floor.
Dependencies are inferred from the claim text.