Patent · US Expired

Centering and mounting apparatus for a magnetic recording disc

US4320425A · kind A · utility

10Cited by
3References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1980
Grant dateMar 16, 1982
Priority date
Expiry dateApr 10, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B17/03
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Apparatus is disclosed for centering and mounting a magnetic recording disc on a disc drive and includes on the recording disc a deflectable member radially inward of the recording surfaces, to which member is attached a generally spherically curved centering member which is received into a hollow portion of the disc drive spindle, and positioned radially between the disc recording surface and the deflectable portion of the deflectable member is a rigid hub portion for reception and driving engagement with the disc drive spindle.

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