JPH0275498U - - Google Patents

Info

Publication number
JPH0275498U
JPH0275498U JP15354688U JP15354688U JPH0275498U JP H0275498 U JPH0275498 U JP H0275498U JP 15354688 U JP15354688 U JP 15354688U JP 15354688 U JP15354688 U JP 15354688U JP H0275498 U JPH0275498 U JP H0275498U
Authority
JP
Japan
Prior art keywords
airtight tube
ultra
thin plate
inner hole
resistance wire
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
Application number
JP15354688U
Other languages
English (en)
Other versions
JPH0630790Y2 (ja
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 JP15354688U priority Critical patent/JPH0630790Y2/ja
Publication of JPH0275498U publication Critical patent/JPH0275498U/ja
Application granted granted Critical
Publication of JPH0630790Y2 publication Critical patent/JPH0630790Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Actuator (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す側断面図、第
2図は第1図のA―A線矢視断面図、第3図は短
絡状態を説明する側面図、第4図は第3図の直交
断面図である。 1…シリンダ、4…ピストンロツド、4a…内
孔、10…気密筒、11…外筒、12…抵抗線、
13…極薄板磁石、14,15…磁石。

Claims (1)

    【実用新案登録請求の範囲】
  1. ピストンロツドに形成した内孔にシリンダのカ
    バー体を貫通して気密筒を挿入し、該気密筒の筒
    体を非磁性材で形成して内部に非電導性の気体又
    は液体を充填すると共に、軸線と平行に抵抗線及
    び極薄板磁石を間隔を設けて配設し、前記内孔に
    それぞれ抵抗線及び極薄板磁石に対向して相互に
    異極の磁石を前記気密筒に間隙を設けて配設した
    ことを特徴とする油圧ジヤツキ。
JP15354688U 1988-11-28 1988-11-28 油圧ジャッキ Expired - Lifetime JPH0630790Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15354688U JPH0630790Y2 (ja) 1988-11-28 1988-11-28 油圧ジャッキ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15354688U JPH0630790Y2 (ja) 1988-11-28 1988-11-28 油圧ジャッキ

Publications (2)

Publication Number Publication Date
JPH0275498U true JPH0275498U (ja) 1990-06-08
JPH0630790Y2 JPH0630790Y2 (ja) 1994-08-17

Family

ID=31429485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15354688U Expired - Lifetime JPH0630790Y2 (ja) 1988-11-28 1988-11-28 油圧ジャッキ

Country Status (1)

Country Link
JP (1) JPH0630790Y2 (ja)

Also Published As

Publication number Publication date
JPH0630790Y2 (ja) 1994-08-17

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