Disk storage drive

  • US 5,424,887 A
  • Filed: 08/16/1993
  • Issued: 06/13/1995
  • Est. Priority Date: 03/05/1980
  • Status: Expired due to Term
First Claim
Patent Images

1. In a disk storage drive:

  • a clean-room chamber enclosed within at least one containment wall;

    at least one storage disk positioned within said clean-room chamber;

    a motor for rotating said storage disk, said motor including a stator, a bearing system, and a rotor member mounted via said bearing system to rotate around the periphery of said stator and separated therefrom by a substantially cylindrical air gap;

    means for coupling said storage disk to said rotor member for rotation therewith; and

    means for mounting said motor, disk, and means for coupling within said clean-room chamber, said rotor member being formed to cooperate with a portion of said containment wall to substantially enclose said stator, said air gap, and said bearing system to minimize the transfer of contaminants from said stator and bearing system into said clean-room chamber.

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