JPS6136724U - spindle device - Google Patents

spindle device

Info

Publication number
JPS6136724U
JPS6136724U JP12178484U JP12178484U JPS6136724U JP S6136724 U JPS6136724 U JP S6136724U JP 12178484 U JP12178484 U JP 12178484U JP 12178484 U JP12178484 U JP 12178484U JP S6136724 U JPS6136724 U JP S6136724U
Authority
JP
Japan
Prior art keywords
rotating shaft
spindle device
supported
housing
rotor unit
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
Application number
JP12178484U
Other languages
Japanese (ja)
Inventor
義人 長谷部
昌美 関沢
正紀 金子
Original Assignee
エヌ・テ−・エヌ東洋ベアリング株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by エヌ・テ−・エヌ東洋ベアリング株式会社 filed Critical エヌ・テ−・エヌ東洋ベアリング株式会社
Priority to JP12178484U priority Critical patent/JPS6136724U/en
Publication of JPS6136724U publication Critical patent/JPS6136724U/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案をフロッピィディスク装置に適用した
場合を例示する縦形スピンドル装置の縦断面図、第２図
は同装置の従来例を示す縦断面図モある。 １０・・・一・・回転軸、２ ’（・・・・・・動圧形
ラジアル軸受、３０・・・・・・玉軸受、４０・・・・
・・ハウジング、５ｏ・・・・・・モータ、５１・・・
・・・ロータユニット、５２・・・・・・ステータユニ
ット。FIG. 1 is a vertical cross-sectional view of a vertical spindle device illustrating a case where this invention is applied to a floppy disk device, and FIG. 2 is a vertical cross-sectional view showing a conventional example of the same device. 10...1...rotating shaft, 2' (...hydrodynamic radial bearing, 30...ball bearing, 40...
...Housing, 5o...Motor, 51...
... Rotor unit, 52 ... Stator unit.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）回転軸、この回転軸を２個の軸受を介して回転自
在に支承するハウジング及び前記回転軸の端部に適宜の
固着手段によって固着されたロータユニットと、前記ハ
ウジングに取付けられた状態で前記ロータユニットに対
向配置されたステータユニットとで構成される前記回転
軸を回転駆動する為のモータからなるスピンドル装置に
於いて、前記回転軸を動圧形ラジアル軸受と玉軸受によ
ってハウジングに支承するようにしたことを特徴とする
スピンドル装置。(1) A rotating shaft, a housing that rotatably supports the rotating shaft via two bearings, a rotor unit fixed to the end of the rotating shaft by appropriate fixing means, and a state where the rotor unit is attached to the housing. In a spindle device consisting of a motor for rotationally driving the rotating shaft, which is composed of a stator unit disposed opposite to the rotor unit, the rotating shaft is supported in a housing by a hydrodynamic radial bearing and a ball bearing. A spindle device characterized by: （２）前記実用新案登録請求の範囲第１項に記載のスピ
ンドル装置に於いて、前記回転軸を垂直に配置し、その
上部を前記動圧形ラジアル軸受にて支承すると共に、下
部を前記玉軸受にて支承したことを特徴とするスピンド
ル装置。(2) In the spindle device according to claim 1 of the utility model registration, the rotating shaft is arranged vertically, an upper part thereof is supported by the hydrodynamic radial bearing, and a lower part thereof is supported by the ball bearing. A spindle device characterized by being supported by a bearing.
JP12178484U 1984-08-08 1984-08-08 spindle device Pending JPS6136724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12178484U JPS6136724U (en) 1984-08-08 1984-08-08 spindle device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12178484U JPS6136724U (en) 1984-08-08 1984-08-08 spindle device

Publications (1)

Publication Number Publication Date
JPS6136724U true JPS6136724U (en) 1986-03-07

Family

ID=30680561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12178484U Pending JPS6136724U (en) 1984-08-08 1984-08-08 spindle device

Country Status (1)

Country Link
JP (1) JPS6136724U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63247044A (en) * 1987-04-03 1988-10-13 Canon Inc Detector for residual amount of ink
JPS63191219U (en) * 1987-05-29 1988-12-09

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139147A (en) * 1983-12-26 1985-07-23 Hitachi Ltd Rotary drum device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139147A (en) * 1983-12-26 1985-07-23 Hitachi Ltd Rotary drum device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63247044A (en) * 1987-04-03 1988-10-13 Canon Inc Detector for residual amount of ink
JPS63191219U (en) * 1987-05-29 1988-12-09

Similar Documents

Publication Publication Date Title
JPS6136724U (en) spindle device
JPS6011646U (en) Brushless motor bearing device
JPS60183960U (en) disk drive
JPS58150626U (en) High speed rotation drive device
JPS5963659U (en) Thrust bearing devices for underwater motors, etc.
JPS6113357U (en) magnetic disk drive device
JPS6047160U (en) spindle rotation mechanism
JPS59164928U (en) Recording or playback device
JPS5960848U (en) Thrust bearing devices for underwater motors, etc.
JPS58118865U (en) high speed spindle motor
JPS617260U (en) Electric motor
JPS5953662U (en) Liquid sealed submersible motor
JPS59132359U (en) Rotating electric machine bearing device
JPS5923271U (en) Motor for capstan
JPS5817798U (en) Turntable drive device
JPS6048356U (en) generator motor
JPS6024170U (en) magnetic spindle device
JPS6051764U (en) Axial gap induction motor
JPS60142856U (en) spindle motor
JPS59131622U (en) bearing
JPS6096970U (en) Shaft-opposed motor
JPS6113562U (en) Motor rotor support structure
JPS6099321U (en) bearing device
JPS5883986U (en) brushless motor
JPS5919688U (en) turbo drill