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Disk drive having elastomeric interface in pivot bearing assembly

  • US 5,666,242 A
  • Filed: 11/21/1995
  • Issued: 09/09/1997
  • Est. Priority Date: 11/21/1995
  • Status: Expired due to Term
First Claim
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1. A disk drive comprising:

  • an enclosure comprising a base and a cover coupled to the base;

    a disk, having a recording surface adapted for storage and retrieval for data thereon;

    a spindle motor, mounted to the base and coupled to the disk;

    a head stack assembly comprising a body portion having a bore, a head gimbal assembly attached to the body portion, and a coil attached to the body portion;

    a pivot bearing assembly installed in the head stack assembly bore, having a sleeve member for rotatably supporting the head stack assembly and having a stationary structure affixed to the enclosure; and

    means for defining an elastomeric interface that provides vibration isolation, the elastomeric interface being located between the sleeve member and the stationary structure such that any vibration of the sleeve member can couple to the stationary structure only through the elastomeric interface.

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