Head positioner stack for high-capacity disc drives
US5627702A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1995 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | Aug 10, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/5521
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A rotary voice coil actuator assembly for a disc drive, including a stack of head/flexure/arm assemblies, spacers and an actuator motor coil assembly arrayed on a substantially cylindrical actuator body, all held in place between a radially extending flange at a first end of the actuator body and a nut engaged with threads at a second end of the actuator body, and further including a compliant washer interposed between the lowermost member of the stacked actuator elements and the nut. In a preferred embodiment, the compliant washer is formed with a circumferential corrugation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.