Patent ID: 8780501
Filing Date: 2014-07-15
Classification: G11B

Abstract:
1. A head support mechanism including a slider on which a head element is mounted is arranged at a tip end part of a load beam, the head support mechanism comprising: a support projection arranged at the tip end part of the load beam; a gimbal part including the slider and arranged to support the slider in a revolvable manner around the support projection; a displacement member arranged to revolve the slider around the support projection; and a counter balance aligned along a symmetric axis of the gimbal part so as to align a centroid of the gimbal part including the slider with the support projection, wherein a centroid adjustment mechanism is arranged on the counter balance in order to adjust the centroid of the gimbal part, and the centroid adjustment mechanism includes a plurality of centroid adjustment pads that are independently arranged with respect to each other to apply a material having a large relative density onto the counter balance.