Patent ID: 6178061
Filing Date: 2001-01-23
Classification: B21C,G11B,Y10S,Y10T

Abstract:
A hard disk drive unit comprising:an extruded-base plate,a motor, anda swing arm;a pair of extruded-frame portions projecting downwardly from opposite sides of said extruded-base plate, said frame portions being an integral one-piece extruded metal part together with said extruded-base plate;a concave portion with a central hole through which said motor is mounted on said extruded-base plate, and a mounting hole through which said swing arm is mounted on said extruded-base plate;said motor provided with a spindle inserted in said central hole of said concave portion of said extruded-base plate; andsaid swing arm having a base portion thereof pivotally supported by a pivot through a bearing,said pivot being mounted on said extruded-base plate through said mounting hole.