Positioning device for a magnetic disk memory

摘要

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.