JPS6090417U - rotating device - Google Patents

rotating device

Info

Publication number
JPS6090417U
JPS6090417U JP18214183U JP18214183U JPS6090417U JP S6090417 U JPS6090417 U JP S6090417U JP 18214183 U JP18214183 U JP 18214183U JP 18214183 U JP18214183 U JP 18214183U JP S6090417 U JPS6090417 U JP S6090417U
Authority
JP
Japan
Prior art keywords
support shaft
hole
along
dynamic pressure
rotating body
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
JP18214183U
Other languages
Japanese (ja)
Inventor
神谷　聖志
上田　勝宣
住谷　充夫
塚田　為康
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP18214183U priority Critical patent/JPS6090417U/en
Publication of JPS6090417U publication Critical patent/JPS6090417U/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Magnetic Bearings And Hydrostatic 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 drawings]

第１図は従来例を示す断面図、第２図は本考案の一実施
例を示す断面図である。 １・・・支持部、ｌａ、ｌｂ・・・動圧溝、−３・・・
円筒状回転体、６・・・スラスト型磁気軸受、２０ａ、
２０ｂ、３５・・・貫通孔、３４・・・底端部。FIG. 1 is a sectional view showing a conventional example, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1... Support part, la, lb... dynamic pressure groove, -3...
Cylindrical rotating body, 6... Thrust type magnetic bearing, 20a,
20b, 35...through hole, 34...bottom end.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 動圧作用を発生する動圧溝を少なくとも三箇所に有し一
端部が固定された支持軸と、この支持軸の他端部から挿
入されこの挿入側の反対側になる底端部をスラスト型磁
気軸受で支持された円筒状回転体とを備え、駆動装置に
よって上記円筒状回転体が上記支持軸のまわりを回転す
る回転装置において、上記支持軸に軸方向に沿って両端
を貫通した貫通孔とこの貫通孔と連絡し上記支持軸の半
径方向に沿って、支持軸の側面上を貫通した貫通孔とを
設けるとともに、上記円筒状回転体の底端部にこの円筒
状回転体の回転軸に沿って底端部を貫通した貫通孔を設
けたことを特徴とする回転装置。A support shaft that has dynamic pressure grooves in at least three places that generate dynamic pressure and has one end fixed, and a bottom end that is inserted from the other end of this support shaft and is on the opposite side of this insertion side is a thrust type. A rotation device comprising a cylindrical rotating body supported by a magnetic bearing, and in which the cylindrical rotating body is rotated around the support shaft by a drive device, the through hole passing through both ends of the support shaft along the axial direction. A through hole is provided that communicates with this through hole and passes through the side surface of the support shaft along the radial direction of the support shaft. A rotating device characterized in that a through hole is provided along the bottom end thereof.
JP18214183U 1983-11-28 1983-11-28 rotating device Pending JPS6090417U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18214183U JPS6090417U (en) 1983-11-28 1983-11-28 rotating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18214183U JPS6090417U (en) 1983-11-28 1983-11-28 rotating device

Publications (1)

Publication Number Publication Date
JPS6090417U true JPS6090417U (en) 1985-06-20

Family

ID=30394522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18214183U Pending JPS6090417U (en) 1983-11-28 1983-11-28 rotating device

Country Status (1)

Country Link
JP (1) JPS6090417U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294409A (en) * 1985-06-21 1986-12-25 Copal Electron Co Ltd Bearing for optical deflector
JPS6321916U (en) * 1986-07-29 1988-02-13
JPH05106635A (en) * 1991-04-10 1993-04-27 Sumitomo Electric Ind Ltd Compound bearing construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294409A (en) * 1985-06-21 1986-12-25 Copal Electron Co Ltd Bearing for optical deflector
JPS6321916U (en) * 1986-07-29 1988-02-13
JPH05106635A (en) * 1991-04-10 1993-04-27 Sumitomo Electric Ind Ltd Compound bearing construction

Similar Documents

Publication Publication Date Title
JPS6090417U (en) rotating device
JPS5884421U (en) Cylindrical hydrodynamic bearing
JPS6066281U (en) drive device
JPS60138349U (en) electric motor bearing device
JPS58172118U (en) hydrostatic bearing spindle
JPS59146613U (en) Dynamic pressure type radial groove bearing device
JPS587921U (en) bearing device
JPS5940241U (en) Axis of rotation
JPS5892518U (en) bearing device
JPS5892516U (en) Dynamic pressure bearing device for rotating units
JPS5992567U (en) electric motor thrust bearing
JPS58131152U (en) electric motor thrust bearing
JPS58169222U (en) rotating plate bearing
JPS59128924U (en) rotating device
JPS59141451U (en) Light deflection motor
JPS59169429U (en) bearing structure
JPS6025359U (en) Radial bearing support device for rotor shaft
JPS5869116U (en) Cylindrical hydrodynamic bearing
JPS6122925U (en) bearing device
JPS5831427U (en) bearing assembly
JPS6132620U (en) oil bearing
JPS6071723U (en) Thrust bearing device
JPS5972778U (en) Friction rotating body
JPS59125613U (en) Hydrodynamic bearing device
JPS59181336U (en) Bearing support structure