JPH0332767U - - Google Patents
Info
- Publication number
- JPH0332767U JPH0332767U JP9348289U JP9348289U JPH0332767U JP H0332767 U JPH0332767 U JP H0332767U JP 9348289 U JP9348289 U JP 9348289U JP 9348289 U JP9348289 U JP 9348289U JP H0332767 U JPH0332767 U JP H0332767U
- Authority
- JP
- Japan
- Prior art keywords
- ball bearings
- hub
- magnetic disk
- preload
- fixed shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000036316 preload Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案の磁気デイスク駆動モータの断
面図である。第２図は従来の磁気デイスク駆動モ
ータの断面図である。
１……回転子、２……ハブ、２ａ……大径部、
２ｂ……小径部、３……永久磁石、４……磁気デ
イスク、５，６……ボールベアリング、５ａ，６
ａ……外輪、５ｂ，６ｂ……内輪、７……カラー
、８……キヤツプ、１１……固定子、１２……フ
ランジ、１２ａ……リング部、１２ｂ……ボス部
、１３……固定子巻線、１４……固定子鉄芯、１
５……固定軸、１５ａ……雌ネジ、１６……予圧
ネジ、１７……端子。
FIG. 1 is a sectional view of the magnetic disk drive motor of the present invention. FIG. 2 is a sectional view of a conventional magnetic disk drive motor. 1 ...Rotor, 2...Hub, 2a...Large diameter part,
2b...Small diameter part, 3...Permanent magnet, 4...Magnetic disk, 5, 6...Ball bearing, 5a, 6
a... Outer ring, 5b, 6b... Inner ring, 7... Collar, 8... Cap, 11 ... Stator, 12... Flange, 12a... Ring part, 12b... Boss part, 13... Stator Winding wire, 14...Stator iron core, 1
5...Fixed shaft, 15a...Female screw, 16...Preload screw, 17...Terminal.
補正 平１．９．２５
図面の簡単な説明を次のように補正する。
明細書第１０頁第１８行及び第１０頁第１９行
から第１１頁第１行にかけての「モータ」を「装
置」に補正する。Amendment September 25, 1999 The brief description of the drawing is amended as follows. "Motor" from page 10, line 18 and page 10, line 19 to page 11, line 1 of the specification is corrected to "apparatus."
Claims (1)
クを装着するハブと、少なくとも一端の中心に雌
ネジを有する固定軸を設けたフランジとを備え、 前記ハブの内周には前記２個のボールベアリン
グの外輪がカラーを挟んで固定されると共に、前
記固定軸には前記２個のボールベアリングの内輪
が微小の〓間を有して嵌合し、前記固定軸の雌ネ
ジと螺合する予圧ネジにより前記２個のボールベ
アリングの内輪を押圧して予圧を与えることを特
徴とする磁気デイスク駆動装置。[Claims for Utility Model Registration] A hub equipped with two ball bearings, a hub having a magnetic disk attached to its outer periphery, and a flange provided with a fixed shaft having a female thread at the center of at least one end, the inner periphery of the hub being In this case, the outer rings of the two ball bearings are fixed with a collar in between, and the inner rings of the two ball bearings are fitted onto the fixed shaft with a small gap between them. A magnetic disk drive device characterized in that a preload screw that is engaged with a screw presses the inner rings of the two ball bearings to apply a preload.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9348289U JPH0332767U (en) | 1989-08-10 | 1989-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9348289U JPH0332767U (en) | 1989-08-10 | 1989-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332767U true JPH0332767U (en) | 1991-03-29 |
Family
ID=31642864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9348289U Pending JPH0332767U (en) | 1989-08-10 | 1989-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332767U (en) |
-
1989
- 1989-08-10 JP JP9348289U patent/JPH0332767U/ja active Pending
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