Patent ID: 8031431

Claim:
A disk drive comprising: a disk drive base; a spindle attached to the disk drive base; a disk attached to the spindle; and a top cover attached to the disk drive base to form a housing that encloses the disk, the top cover having a major surface defining a top cover plane, the top cover including a plurality of anchor tabs extending away from the top cover plane and towards the disk drive base, each of the plurality of anchor tabs including a hooking surface that faces the top cover, the plurality of anchor tabs being integral features of the top cover so that the top cover and the plurality of anchor tabs are a single monolithic component having material continuity rather than being an assembly of sub-components; wherein the disk drive base includes a plurality of retention cavities, each of the retention cavities including a catching surface that faces away from the top cover; wherein each of the plurality of anchor tabs protrudes into a respective one of the plurality of retention cavities, with the hooking surface of the anchor tab being in contact with the catching surface of the retention cavity.