US Patent 7245456 Head support device and disk drive using the same

A head support device includes a slider with a head, a support arm having a leading end provided with the slider 1 via a flexure and being integral with, in the vicinity of its base end, a spring member along a centerline, and a base arm having two pivots contacting the support arm. The spring member is fixed to the base arm at its leading end and has a hole in its center and a slit part at its base end. The support arm includes, about its base end, a slit and a reinforcing plate also serving as a balancer. This head support device can be used in various information apparatuses including a magnetic recording/reproducing apparatus, a magneto-optical disk drive and an optical disk drive.