JPH0197455U - - Google Patents
Info
- Publication number
- JPH0197455U JPH0197455U JP19304487U JP19304487U JPH0197455U JP H0197455 U JPH0197455 U JP H0197455U JP 19304487 U JP19304487 U JP 19304487U JP 19304487 U JP19304487 U JP 19304487U JP H0197455 U JPH0197455 U JP H0197455U
- Authority
- JP
- Japan
- Prior art keywords
- receives
- radial load
- load
- rotating shaft
- dynamic pressure
- 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.)
- Granted
Links
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は拡大要部断面図、第３図は流体層の圧力分布
曲線図、第４図は他の実施例を示す断面図である
。
４…玉軸受、５…回転軸、２１…流体動圧ベア
リング。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an enlarged sectional view of the main part, FIG. 3 is a pressure distribution curve diagram of a fluid layer, and FIG. 4 is a sectional view showing another embodiment. 4...Ball bearing, 5...Rotating shaft, 21...Fluid dynamic pressure bearing.
Claims (1)
２１と、ラジアル荷重と微小なスラスト荷重を受
ける玉軸受４とを、併用して回転軸５を枢支した
ことを特徴とするスピンドルモータ。 A spindle motor characterized in that a rotating shaft 5 is supported by a combination of a fluid dynamic pressure bearing 21 that receives only a radial load and a ball bearing 4 that receives a radial load and a minute thrust load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193044U JPH0610546Y2 (en) | 1987-12-18 | 1987-12-18 | Spindle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193044U JPH0610546Y2 (en) | 1987-12-18 | 1987-12-18 | Spindle motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197455U true JPH0197455U (en) | 1989-06-28 |
| JPH0610546Y2 JPH0610546Y2 (en) | 1994-03-16 |
Family
ID=31483864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987193044U Expired - Lifetime JPH0610546Y2 (en) | 1987-12-18 | 1987-12-18 | Spindle motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610546Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188482U (en) * | 1984-11-14 | 1986-06-09 | ||
| JPS6241420A (en) * | 1985-08-15 | 1987-02-23 | Sony Corp | Dynamic pressure bearing |
| JPS62140271A (en) * | 1985-12-13 | 1987-06-23 | Matsushita Electric Ind Co Ltd | Fluid bearing type disk drive device |
| JPS6358361U (en) * | 1986-10-06 | 1988-04-19 |
-
1987
- 1987-12-18 JP JP1987193044U patent/JPH0610546Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6188482U (en) * | 1984-11-14 | 1986-06-09 | ||
| JPS6241420A (en) * | 1985-08-15 | 1987-02-23 | Sony Corp | Dynamic pressure bearing |
| JPS62140271A (en) * | 1985-12-13 | 1987-06-23 | Matsushita Electric Ind Co Ltd | Fluid bearing type disk drive device |
| JPS6358361U (en) * | 1986-10-06 | 1988-04-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610546Y2 (en) | 1994-03-16 |