Patent ID: 7379267

Claim:
A disc drive spindle hub assembly comprising: an annular hub ( 30 ) for supporting an information storage disc ( 40 ) mounted on a supporting surface ( 38 ) of the hub, a disc clamp ( 10 ; 110 ) having an annular body portion ( 12 ), an inner centering portion ( 18 ) defining a central aperture ( 20 ), and an annular outer peripheral clamping portion ( 14 ), wherein the body portion extends above an annular top portion ( 32 ) of the hub, the inner centering portion contacting an inner circumferential surface ( 42 ) of the hub and centers the disc clamp about the hub when the disc clamp is installed over the hub, and the outer peripheral portion of the clamp engages a top surface of the information storage disc, the centering portion comprising centering tabs ( 22 ) being in a snap-fit engagement with the hub, so that a clamping force is applied through the body portion and the peripheral portion of the clamp against the information storage disc.