JPH0250821U - - Google Patents

Info

Publication number
JPH0250821U
JPH0250821U JP12896688U JP12896688U JPH0250821U JP H0250821 U JPH0250821 U JP H0250821U JP 12896688 U JP12896688 U JP 12896688U JP 12896688 U JP12896688 U JP 12896688U JP H0250821 U JPH0250821 U JP H0250821U
Authority
JP
Japan
Prior art keywords
sliding
sliding shaft
bearing
gap
magnetic fluid
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
JP12896688U
Other languages
English (en)
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 filed Critical
Priority to JP12896688U priority Critical patent/JPH0250821U/ja
Publication of JPH0250821U publication Critical patent/JPH0250821U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第1図〜第3図は本考案のレンズアクチユエー
タの一実施例を示す構成図、第4図〜第6図は従
来の摺動形のレンズアクチユエータの構成例を示
す平面図および断面図である。 1……摺動軸、2……軸受、3……ボビン、4
……フオーカスコイル、5……ラジアルコイル、
6……対物レンズ、7……ヨーク、8,10……
マグネツト、9……磁性流体、D……光デイスク

Claims (1)

    【実用新案登録請求の範囲】
  1. 摺動軸の軸心から偏心した位置に対物レンズを
    保持し摺動軸に沿つて摺動および回転して対物レ
    ンズの位置を制御する摺動形のレンズアクチユエ
    ータにおいて、摺動軸と軸受と隙間に充填された
    磁性流体と、この磁性流体を隙間内に保持するた
    めに軸受の外周に配置されたマグネツトとを具備
    してなるレンズアクチユエータ。
JP12896688U 1988-09-30 1988-09-30 Pending JPH0250821U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12896688U JPH0250821U (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12896688U JPH0250821U (ja) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0250821U true JPH0250821U (ja) 1990-04-10

Family

ID=31382797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12896688U Pending JPH0250821U (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0250821U (ja)

Similar Documents

Publication Publication Date Title
JPH0371457U (ja)
JPH0250821U (ja)
JPH031694U (ja)
JPS6218823U (ja)
JPH035258U (ja)
JPS61189417U (ja)
JPS59142918U (ja) 光学的情報読取装置の対物レンズ駆動装置
JPS6074222U (ja) 光学的情報読取装置の対物レンズ駆動装置
JPS636522U (ja)
JPS63105924U (ja)
JPS6381318U (ja)
JPS6190024U (ja)
JPS63181115U (ja)
JPS63102021U (ja)
JPS62150730U (ja)
JPH0289653U (ja)
JPS6263825U (ja)
JPS6368117U (ja)
JPS6172724U (ja)
JPH01174717U (ja)
JPS6248021U (ja)
JPS6384723U (ja)
JPS6424525U (ja)
JPS6290420U (ja)
JPS6340814U (ja)