Patent ID: 7111729

Claim:
In a storage case of the type having a base portion and a lid portion having a closed position facing the base portion, a forwardly projecting hub structure of the base portion for releasably engaging a central opening of a disk having an outer perimeter with the disk being enclosed within the case when the lid portion is in the closed position, there being means for releasably holding the lid portion in the closed position, the lid portion being openable to an open position being generally co-planar with the base portion for loading and/or accessing the disk, characterized in that the case further comprises: a. a spaced pair of hinge members connected between and integrally form molded with the base portion and the lid portion; and b. a spine structure rigidly connected to the base portion and comprising respective enlargement portions thereof extending from opposite ends of the hinge members to proximate alignment with opposite side extremities of the base portion, and an additional enlargement portion extending between the hinge members, the enlargement portions also being approximately flush with the bottom of the base portion and the top of the lid portion in the closed position of the lid portion.