JPH01180165U - - Google Patents
Info
- Publication number
- JPH01180165U JPH01180165U JP7745488U JP7745488U JPH01180165U JP H01180165 U JPH01180165 U JP H01180165U JP 7745488 U JP7745488 U JP 7745488U JP 7745488 U JP7745488 U JP 7745488U JP H01180165 U JPH01180165 U JP H01180165U
- Authority
- JP
- Japan
- Prior art keywords
- pivot shaft
- circumferential surface
- outer circumferential
- rolling groove
- balls
- 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
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
Landscapes
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第１図は本考案の一実施例の要部を示す拡大正
面図、第２図は全体を示す断面正面図、第３図〜
第５図はグリース漏れ防止溝の変形例を示す拡大
正面図、第６図は軸受部の他の具体例を示す拡大
断面図である。
５……枢支軸、１１……外周面、１２……玉、
１３……転動溝、１４……軸受外輪部、１５……
シール部、１９……グリース漏れ防止溝、Ａ……
外方側。
Fig. 1 is an enlarged front view showing the main parts of an embodiment of the present invention, Fig. 2 is a sectional front view showing the whole, and Figs.
FIG. 5 is an enlarged front view showing a modified example of the grease leakage prevention groove, and FIG. 6 is an enlarged sectional view showing another specific example of the bearing portion. 5...Pivot shaft, 11...Outer peripheral surface, 12...Ball,
13...Rolling groove, 14...Bearing outer ring, 15...
Seal part, 19... Grease leakage prevention groove, A...
Outer side.
Claims (1)
軸受外輪部１４との間で玉１２…を保持し、該枢
支軸５の軸心方向における該転動溝１３よりも外
方側Ａへ寄つた位置にシール部１５を設けると共
に、該枢支軸５の外周面１１であつて、かつ、該
シール部１５と該転動溝１３との間にグリース漏
れ防止溝１９を形成したことを特徴とするスピン
ドルモータ。 A rolling groove 13 is formed on the outer circumferential surface 11 of the pivot shaft 5 to hold the balls 12 between it and the bearing outer ring portion 14, and a rolling groove 13 is formed on the outer circumferential surface 11 of the pivot shaft 5 to hold the balls 12 between it and the outer circumferential surface 11 of the pivot shaft 5. A seal portion 15 is provided at a position closer to side A, and a grease leakage prevention groove 19 is provided on the outer peripheral surface 11 of the pivot shaft 5 and between the seal portion 15 and the rolling groove 13. A spindle motor characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077454U JP2528846Y2 (en) | 1988-06-10 | 1988-06-10 | Spindle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988077454U JP2528846Y2 (en) | 1988-06-10 | 1988-06-10 | Spindle motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01180165U true JPH01180165U (en) | 1989-12-25 |
| JP2528846Y2 JP2528846Y2 (en) | 1997-03-12 |
Family
ID=31302438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988077454U Expired - Lifetime JP2528846Y2 (en) | 1988-06-10 | 1988-06-10 | Spindle motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528846Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330767U (en) * | 1989-07-28 | 1991-03-26 | ||
| JPH04344144A (en) * | 1991-05-21 | 1992-11-30 | Toshiba Corp | Motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4889927U (en) * | 1972-02-03 | 1973-10-30 | ||
| JPS63107438A (en) * | 1986-10-22 | 1988-05-12 | Sankyo Seiki Mfg Co Ltd | Bearing apparatus |
-
1988
- 1988-06-10 JP JP1988077454U patent/JP2528846Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4889927U (en) * | 1972-02-03 | 1973-10-30 | ||
| JPS63107438A (en) * | 1986-10-22 | 1988-05-12 | Sankyo Seiki Mfg Co Ltd | Bearing apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0330767U (en) * | 1989-07-28 | 1991-03-26 | ||
| JPH04344144A (en) * | 1991-05-21 | 1992-11-30 | Toshiba Corp | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528846Y2 (en) | 1997-03-12 |