Patent ID: 8826310

Claim:
A spindle motor, comprising: a turntable coupled to a rotating shaft, and supporting the rotating shaft and a disc; a centering unit fitted over the rotating shaft, and supporting an inner circumference of the disc; and a coil spring interposed between the turntable and the centering unit to elastically support the centering unit, wherein the centering unit includes a body having a bottom plate, a sidewall extended upwards from an edge of the bottom plate, and a centering portion inclined from an upper end of an outer surface of the sidewall to a lower end of the outer surface, wherein the turntable includes a turntable body having a recess portion formed in a central portion of an upper surface of the turntable body, wherein a first end of the coil spring is brought into contact with a spring hanging portion provided between the centering portion and the sidewall of the body of the centering unit, and wherein a second end of the coil spring opposite to the first end of the coil spring is supported by a spring support portion concavely formed in the recess portion of the turntable body.