JPH0354391U - - Google Patents

Info

Publication number
JPH0354391U
JPH0354391U JP1989115345U JP11534589U JPH0354391U JP H0354391 U JPH0354391 U JP H0354391U JP 1989115345 U JP1989115345 U JP 1989115345U JP 11534589 U JP11534589 U JP 11534589U JP H0354391 U JPH0354391 U JP H0354391U
Authority
JP
Japan
Prior art keywords
balls
rotating body
ball
piezoelectric element
wear
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
JP1989115345U
Other languages
English (en)
Other versions
JPH0742238Y2 (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 JP1989115345U priority Critical patent/JPH0742238Y2/ja
Publication of JPH0354391U publication Critical patent/JPH0354391U/ja
Application granted granted Critical
Publication of JPH0742238Y2 publication Critical patent/JPH0742238Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の実施例の超音波駆動装置の側
面断面図、第2図は第1図の装置のボールの位置
を示した図、第3図は本考案の他の実施例の超音
波駆動装置の圧電素子の斜視図、第4図は第3図
の圧電素子を使用した超音波駆動装置の側面断面
図、第5図は従来の超音波駆動装置の側面断面図
である。 1……圧電素子、3……ボール、6……回転体
、7……押圧部材、8……耐摩耗性部材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 進行波または楕円振動が発生するリング型圧電
    素子の外側のエツジまたは内側のエツジに直接ま
    たは耐摩耗性部材を介して複数のボールを回転体
    で回転自在に支持するとともに、前記ボールの上
    に押え板で押圧して、前記ボールの回転とともに
    前記回転体を回転するようにした超音波駆動装置
JP1989115345U 1989-09-30 1989-09-30 超音波駆動装置 Expired - Lifetime JPH0742238Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989115345U JPH0742238Y2 (ja) 1989-09-30 1989-09-30 超音波駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989115345U JPH0742238Y2 (ja) 1989-09-30 1989-09-30 超音波駆動装置

Publications (2)

Publication Number Publication Date
JPH0354391U true JPH0354391U (ja) 1991-05-27
JPH0742238Y2 JPH0742238Y2 (ja) 1995-09-27

Family

ID=31663675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989115345U Expired - Lifetime JPH0742238Y2 (ja) 1989-09-30 1989-09-30 超音波駆動装置

Country Status (1)

Country Link
JP (1) JPH0742238Y2 (ja)

Also Published As

Publication number Publication date
JPH0742238Y2 (ja) 1995-09-27

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