Patent ID: 6226157
Filing Date: 2001-05-01
Classification: G11B

Abstract:
An actuator for a hard disk drive, comprising:a fixing protrusion extending axially outwardly from said actuator;a bearing pivotally supporting laid actuator;an arm separately installed on the actuator and comprising:a first circular aperture through said arm forming a rim having a peripheral boundary defining a first end of said arm, said first circular aperture receiving said pivot bearing supporting said arm in a coaxial mounting with said actuator;a rectangular position fixing groove positioned at an end portion of said first end of said arm, forming a recess concavely set into said peripheral boundary and matingly conforming in shape to and receiving said fixing protrusion of the actuator while maintaining said arm in radial alignment with said actuator by preventing rotation of said arm relative to the actuator; andanother aperture positioned at another and diametrically opposite end portion of a second end of the arm, allowing a head gimbal to be attached to said arm.