Patent · US Expired

Segmented disk clamp

US4898397A · kind A · utility

5Cited by
4References
7Claims
0Family size

Inventor

Key dates

Filing dateMar 29, 1988
Grant dateFeb 6, 1990
Priority date
Expiry dateMar 29, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T279/12
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A clamp for attaching a plate such as a memory disk onto a spindle comprising a segmented clamp that may be withdrawn within the projected boundary of the interior hole in the disk for convenient unloading and a two part piston clamping means that applies a moderate clamping force followed by a larger clamping force.

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