Patent ID: 6046889
Filing Date: 2000-04-04
Classification: G11B

Abstract:
A disk drive comprising:a base;a spindle motor coupled to the base;a disk mounted on the spindle motor;a pivot assembly coupled to the base;a head stack assembly including:an actuator body defining a bore for surrounding the pivot assembly, the bore defining a pivot axis of the head stack assembly;a supporting surface;an actuator arm cantilevered from the actuator body, the actuator arm defining a longitudinal axis;the pivot assembly including:a stationary member coupled to the base, the stationary member having a length;a rotatable member positioned on the supporting surface such that the rotatable member is between the stationary member and the supporting surface;the stationary member and the rotatable member defining a projecting member and a recessed portion, the projecting member and the recessed portion interacting to allow the head stack assembly to pivot about the pivot axis, the projecting member defining a knife edge extending parallel to the length and facing in a direction substantially perpendicular to the longitudinal axis.