Disk drive with a flat annular spring clamp and components dimensioned to maintain disk flatness
US5943184A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1996 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Jul 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.