Patent · US Expired

Disk drive apparatus having an annular straightening portion

US6961211B2 · kind B2 · utility

3Cited by
6References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 8, 2003
Grant dateNov 1, 2005
Priority date
Expiry dateOct 25, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B17/038
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A spindle motor including a rotatable hub is provided on a case, and a disk is fitted on an outer periphery of the hub. A disk damper is fixed to an end portion of the hub to hold the disk on the hub. The disk damper integrally includes a clamp portion fixed to the end portion of the hub to hold a centre portion of the disk, and a substantially annular straightening portion extending outwards from the clamp portion in a radial direction and facing to a surface of the disk with a predetermined gap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.