Patent ID: 6633529
Filing Date: 2003-10-14
Classification: G11B

Abstract:
A disk drive comprising:a carrier into which is loaded a cartridge in which a disk-shaped recording medium is rotatably accommodated and in which an opening for exposing a center portion of said disk-shaped recording medium is formed in a bottom surface thereof, a rotation table which enters from said opening of said cartridge loaded in said carrier, clamps said disk-shaped recording medium at said center portion and rotates said disk-shaped recording medium, a resilient sealing member which is attached to said carrier and prevents air containing dust from being sucked into said cartridge through said opening due to rotation of said disk-shaped recording medium, wherein said sealing member includes an annular base portion and a lip having a shape projecting from said annular base portion and flaring outward, said lip is pushed against the bottom surface of said cartridge so as to surround said opening of the loaded cartridge, and said base portion includes a part located inside said lip which is attached to said carrier, a plurality of projections for positioning said cartridge, each of said plurality of projections including a head contacting the bottom surface of said cartridge, said base portion has a plurality of through holes corresponding to said plurality of projections in the part located inside said lip, and said sealing member is attached to said carrier by said plurality of projections penetrating through said corresponding plurality of through holes.