JP4949216B2 - 流体軸受装置 - Google Patents
流体軸受装置 Download PDFInfo
- Publication number
- JP4949216B2 JP4949216B2 JP2007317397A JP2007317397A JP4949216B2 JP 4949216 B2 JP4949216 B2 JP 4949216B2 JP 2007317397 A JP2007317397 A JP 2007317397A JP 2007317397 A JP2007317397 A JP 2007317397A JP 4949216 B2 JP4949216 B2 JP 4949216B2
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- lid member
- fixing
- bearing
- inner peripheral
- 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.)
- Expired - Fee Related
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- Sliding-Contact Bearings (AREA)
Description
2 軸部材
3 ディスクハブ
7 ハウジング
8 軸受スリーブ
9 シール部
10 蓋部材
10a プレート部
10b 固定部
A 外側部材
B 固定面
G 開口空間
P 圧入領域
R1、R2 ラジアル軸受隙間
T1、T2 スラスト軸受隙間
S シール空間
Claims (3)
- ブラケットの内周面に固定され、軸方向両端を開口した外側部材と、外側部材の内側に挿入され、一端にフランジ部を有する軸部材と、外側部材の一端開口部を密閉する蓋部材と、軸部材の外周面に面し、一端が蓋部材で密閉された空間につながるラジアル軸受隙間と、フランジ部の端面と蓋部材の端面との間に設けられたスラスト軸受隙間とを備え、前記ラジアル軸受隙間及び前記スラスト軸受隙間に形成した油膜で軸部材を回転可能に支持する流体軸受装置において、
蓋部材が、前記スラスト軸受隙間に面するプレート部と、プレート部の外径端から軸方向に延びた固定部とを有し、固定部の外周面をブラケットの内周面に固定すると共に、固定部の内周面を外側部材の外周面に固定し、
外側部材がフランジ部の軸方向領域まで延び、フランジ部の軸方向領域で、蓋部材の固定部の内周面を外側部材の外周面に圧入したことを特徴とする流体軸受装置。 - 固定面の軸方向寸法をプレート部の肉厚より大きくした請求項1記載の流体軸受装置。
- 蓋部材と外側部材との間に形成され、かつ外側部材の外周に開口した開口空間を、外側部材の外周面にブラケットを接着固定する際の接着剤溜りとした請求項1又は2記載の流体軸受装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007317397A JP4949216B2 (ja) | 2007-12-07 | 2007-12-07 | 流体軸受装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007317397A JP4949216B2 (ja) | 2007-12-07 | 2007-12-07 | 流体軸受装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006160022A Division JP4948908B2 (ja) | 2006-06-08 | 2006-06-08 | 流体軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008111559A JP2008111559A (ja) | 2008-05-15 |
JP4949216B2 true JP4949216B2 (ja) | 2012-06-06 |
Family
ID=39444163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007317397A Expired - Fee Related JP4949216B2 (ja) | 2007-12-07 | 2007-12-07 | 流体軸受装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4949216B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5284172B2 (ja) * | 2009-04-15 | 2013-09-11 | Ntn株式会社 | 流体軸受装置およびその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0833266A (ja) * | 1994-07-15 | 1996-02-02 | Toshiba Corp | 動圧軸受形モータ及びポリゴンミラー駆動用スキャナモータ |
JP4327297B2 (ja) * | 1999-03-31 | 2009-09-09 | シチズンホールディングス株式会社 | 動圧軸受装置 |
JP2004084864A (ja) * | 2002-08-28 | 2004-03-18 | Nsk Ltd | 流体軸受装置 |
JP2006105332A (ja) * | 2004-10-07 | 2006-04-20 | Ntn Corp | 動圧軸受装置 |
-
2007
- 2007-12-07 JP JP2007317397A patent/JP4949216B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2008111559A (ja) | 2008-05-15 |
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