JPS61200907U - - Google Patents

Info

Publication number
JPS61200907U
JPS61200907U JP8520485U JP8520485U JPS61200907U JP S61200907 U JPS61200907 U JP S61200907U JP 8520485 U JP8520485 U JP 8520485U JP 8520485 U JP8520485 U JP 8520485U JP S61200907 U JPS61200907 U JP S61200907U
Authority
JP
Japan
Prior art keywords
tube spring
switched
valve
pilot
pilot valve
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
JP8520485U
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 JP8520485U priority Critical patent/JPS61200907U/ja
Publication of JPS61200907U publication Critical patent/JPS61200907U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案一実施例の構成説明図、第２図
は第１図―線に沿う断面図、第３図はパイロ
ツトバルブの縦断面図、第４図、第５図はパイロ
ツトバルブの取付説明図、第６図は従来の打撃装
置の切換装置の構成説明図、第７図は管ばね式の
打撃装置の正面図である。 ６は打撃ピストン、７は管ばね、１０はパイロ
ツトバルブ、２１は油路切換バルブ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 管ばね７の伸縮動により切換作動してパイロツ
    ト圧を出力するパイロツトバルブ１０と、管ばね
    ７の油圧回路に設けられてパイロツトバルブ１０
    からのパイロツト圧による切換えにより管ばね７
    への作動油の給排を行う油路切換バルブ２１とを
    備えたことを特徴とする打撃装置の切換装置。
JP8520485U 1985-06-07 1985-06-07 Pending JPS61200907U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8520485U JPS61200907U (ja) 1985-06-07 1985-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8520485U JPS61200907U (ja) 1985-06-07 1985-06-07

Publications (1)

Publication Number Publication Date
JPS61200907U true JPS61200907U (ja) 1986-12-16

Family

ID=30635388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8520485U Pending JPS61200907U (ja) 1985-06-07 1985-06-07

Country Status (1)

Country Link
JP (1) JPS61200907U (ja)

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