Patent · US Expired

Head positioner stack for high-capacity disc drives

US5627702A · kind A · utility

15Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 1995
Grant dateMay 6, 1997
Priority date
Expiry dateAug 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.