Patent · US Expired

Positioning device for a magnetic disk memory

US4689703A · kind A · utility

7Cited by

10References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Otto Olbrich
Rudolf Schachl · Taufkirchen, DE
Vaclav Vanek · Haar, DE

Key dates

Filing date	Jan 29, 1985
Grant date	Aug 25, 1987
Priority date	—
Expiry date	Jan 29, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG11B5/5521
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A rotational positioner for a magnetic disk memory comprises a pedestal constituting a portion of the positioning magnet system and a positioner shaft. In a one-piece pivot member, pivot arms and bracket arms are integrated and disposed in common on a hub. Each pivot arm comprises a device at its free end for releasably receiving a head base plate which carries a pair of magnetic heads by way of a magnetic head mount.

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