Patent Number: 6,166,878

Title: Disk drive having the motor core secured via the disk rotating bearing flange to the chassis

Abstract: A motor for rotating a disk has a stator assembled on a motor chassis 50. The stator comprises a core assembly including a plurality of stator cores extending in a radial direction, stator coils each of which is wound around each of the stator coils, and a bearing unit 42-3 having a cylindrical shape for supporting a rotation shaft of the motor. The bearing unit has a flange portion 42-3a formed at its lower part. The flange portion is interposed between an attaching element 55-1 and the motor chassis. The core assembly and the bearing unit are fixed to the motor chassis by screws 56 inserted through the attaching element and the flange portion.

Inventors: Komatsu; Hisateru (Tendo, JP), Takahashi; Makoto (Obanazawa, JP)

Assignee: Mitsumi Electric Co., Ltd.

International Classification: G11B 25/04 (20060101); G11B 19/20 (20060101); G11B 005/016 ()

Expiration Date: 12/26/2013