JPS58165091U - さく孔機用油圧制御回路 - Google Patents

さく孔機用油圧制御回路

Info

Publication number
JPS58165091U
JPS58165091U JP6157682U JP6157682U JPS58165091U JP S58165091 U JPS58165091 U JP S58165091U JP 6157682 U JP6157682 U JP 6157682U JP 6157682 U JP6157682 U JP 6157682U JP S58165091 U JPS58165091 U JP S58165091U
Authority
JP
Japan
Prior art keywords
circuit
switching valve
oil
hydraulic control
drilling
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
JP6157682U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6241116Y2 (enExample
Inventor
吉岡　順次
岩田　秀峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
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 Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP6157682U priority Critical patent/JPS58165091U/ja
Publication of JPS58165091U publication Critical patent/JPS58165091U/ja
Application granted granted Critical
Publication of JPS6241116Y2 publication Critical patent/JPS6241116Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
JP6157682U 1982-04-26 1982-04-26 さく孔機用油圧制御回路 Granted JPS58165091U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6157682U JPS58165091U (ja) 1982-04-26 1982-04-26 さく孔機用油圧制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6157682U JPS58165091U (ja) 1982-04-26 1982-04-26 さく孔機用油圧制御回路

Publications (2)

Publication Number Publication Date
JPS58165091U true JPS58165091U (ja) 1983-11-02
JPS6241116Y2 JPS6241116Y2 (enExample) 1987-10-21

Family

ID=30071766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6157682U Granted JPS58165091U (ja) 1982-04-26 1982-04-26 さく孔機用油圧制御回路

Country Status (1)

Country Link
JP (1) JPS58165091U (enExample)

Also Published As

Publication number Publication date
JPS6241116Y2 (enExample) 1987-10-21

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