Patent ID: 8786982
Filing Date: 2014-07-22
Classification: F16C,G11B,H02K

Abstract:
1. A disk drive device comprising: a rotating body on which a disk to be retained in a disk retaining space is to be mounted and which rotates and drives the disk; a stationary body that comprises a chassis which includes a protrusive part protruding toward the rotating body in an axial direction, and a stator core which includes an inner periphery fastened to the protrusive part; and a fluid bearing unit which supports the rotating body in a freely rotatable manner relative to the chassis, the chassis being provided with a recess with a bottom which is formed in an end face of the protrusive part and which is concaved in an opposite direction to the rotating body, the fluid bearing unit comprising an insertion part inserted in the recess with the bottom and joined with the recess, and a core encircled part encircled by the stator core, and a gas passage which causes a clearance space formed between the insertion part and the recess with the bottom to be in communication with the disk retaining space and which allows a gas to pass through being provided in at least one of the stationary body and the fluid bearing unit.