Patent · US Expired

Disk drive with a flat annular spring clamp and components dimensioned to maintain disk flatness

US5943184A · kind A · utility

20Cited by
9References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1996
Grant dateAug 24, 1999
Priority date
Expiry dateJul 15, 2016

Classification

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

Abstract

A disk drive with a drive motor having a spindle rotatable around an axis of rotation, one or more disks mounted on the spindle separated by annular spacers which have a radial dimension selected to maintain flatness of the disks, an annular ring dimensioned to distribute force evenly to the disks engaging the last mounted disk, a flat annular spring clamp for applying force uniformly to the annular ring, and a retaining member to hold the annular spring clamp in place.

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