Patent ID: 7043742

Claim:
A protective cover for a data storage disc, the data storage disc having (1) an edge having a first radius, (2) a central hole having a second radius, (3) a data storage side, and (4) an opposite side from the data storage side, said protective cover comprising: a disc having an inside surface which contacts the data storage disc, and an opposite outside surface; a retainer centrally connected to said inside surface, said retainer shaped and dimensioned to be snuggly received by the central hole in the data storage disc; said retainer including a plurality of upstanding members, said plurality of upstanding members being spaced n° apart; said plurality of upstanding members defining a radius which is slightly greater than the second radius of the central hole in the data storage disc, so that when said plurality of upstanding members are placed in the central hole of the data storage disc, said plurality of upstanding members grip the central hole; each of said plurality of upstanding members having a height such that when said plurality of upstanding members engage the central hole of the data storage disc, said plurlaity of upstanding members protrude from the opposite side of the data storage disc; a recessed area centrally disposed on said outside surface; so that when a first said protective cover is installed on a data storage disc, and the opposite side of the data storage disc is placed in contact with said outside surface of a second protective cover, said recessed area of said second protective cover receives said plurality of protruding upstanding members of said first protective cover, so that said data storage disc lies flatly on said second protective cover.