JPH0161855U

JPH0161855U -

Info

Publication number: JPH0161855U
Application number: JP15553087U
Authority: JP
Priority date: 1987-10-13
Filing date: 1987-10-13
Publication date: 1989-04-20

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す断面図、第２
図は３．５インチＨＤＤ用スピンドルモータ（イ
ンナーハブタイプ）の断面図、第３図は３．５イ
ンチＨＤＤ用スピンドルモータの断面図、第４は
５．２５インチＨＤＤ用スピンドルモータ（イン
ナーハブタイプ）の断面図である。図面中、１はハードデイスク、２はハブ、３は
ブラケツト、３ａは支持部、４は鉄心、５は磁石
、６，７は軸受、８は回転軸、１０は巻線、１１
，１２は樹脂である。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a cross-sectional view of a 3.5-inch HDD spindle motor (inner hub type), Figure 3 is a cross-sectional view of a 3.5-inch HDD spindle motor, and the fourth figure is a 5.25-inch HDD spindle motor (inner hub type). ) is a cross-sectional view of. In the drawing, 1 is a hard disk, 2 is a hub, 3 is a bracket, 3a is a support part, 4 is an iron core, 5 is a magnet, 6 and 7 are bearings, 8 is a rotating shaft, 10 is a winding wire, 11
, 12 are resins.

Claims

[Scope of utility model registration request]

A rotating shaft is supported by the bracket via a pair of upper and lower bearings, and a hub to which a hard disk is fixed is fitted onto the upper end of the rotating shaft.A magnet is adhered to the inner peripheral surface of the hub, and a magnet is attached to the inner peripheral surface of the hub. In a spindle motor for a hard disk drive in which an iron core and a winding are mounted on the hub facing each other, the iron core and the winding are insulated and reinforced with resin, and a bearing housing further holds the upper of the pair of upper and lower bearings. A spindle motor for a hard disk drive, characterized in that the bracket is molded integrally with the bracket from resin.