Patent · US Expired

Magnetic disk apparatus

US7167338B2 · kind B2 · utility

2Cited by
23References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 2004
Grant dateJan 23, 2007
Priority date
Expiry dateApr 30, 2024

Classification

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

Abstract

A magnetic disk apparatus for reading and writing information to a magnetic disk including a motor for rotating the magnetic disk mounted thereon; a disk-shaped clamp for mounting the magnetic disk on the motor by screw fastening; and a C-shaped balancer for adjusting the rotary balance of the magnetic disk and mounted on the outer surrounding portion of the clamp, wherein the C-shaped balancer has a generally rectangular cross-section.

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