JPS604636U - 液圧式さく岩機 - Google Patents

液圧式さく岩機

Info

Publication number
JPS604636U
JPS604636U JP9328583U JP9328583U JPS604636U JP S604636 U JPS604636 U JP S604636U JP 9328583 U JP9328583 U JP 9328583U JP 9328583 U JP9328583 U JP 9328583U JP S604636 U JPS604636 U JP S604636U
Authority
JP
Japan
Prior art keywords
hydraulic
switching valve
orifice
rock drill
iwatsuki
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
JP9328583U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0320359Y2 (enrdf_load_stackoverflow
Inventor
利樹 田中
裕行 荏原
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.)
Airman Corp
Original Assignee
Hokuetsu Industries Co Ltd
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 Hokuetsu Industries Co Ltd filed Critical Hokuetsu Industries Co Ltd
Priority to JP9328583U priority Critical patent/JPS604636U/ja
Publication of JPS604636U publication Critical patent/JPS604636U/ja
Application granted granted Critical
Publication of JPH0320359Y2 publication Critical patent/JPH0320359Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Shovels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP9328583U 1983-06-20 1983-06-20 液圧式さく岩機 Granted JPS604636U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9328583U JPS604636U (ja) 1983-06-20 1983-06-20 液圧式さく岩機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9328583U JPS604636U (ja) 1983-06-20 1983-06-20 液圧式さく岩機

Publications (2)

Publication Number Publication Date
JPS604636U true JPS604636U (ja) 1985-01-14
JPH0320359Y2 JPH0320359Y2 (enrdf_load_stackoverflow) 1991-05-01

Family

ID=30224014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9328583U Granted JPS604636U (ja) 1983-06-20 1983-06-20 液圧式さく岩機

Country Status (1)

Country Link
JP (1) JPS604636U (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380304A (en) * 1976-12-23 1978-07-15 Krupp Gmbh Impact device that stroke can be adjusted by remote control and that can be operated by pressure medium
JPS56142979U (enrdf_load_stackoverflow) * 1980-03-29 1981-10-28

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380304A (en) * 1976-12-23 1978-07-15 Krupp Gmbh Impact device that stroke can be adjusted by remote control and that can be operated by pressure medium
JPS56142979U (enrdf_load_stackoverflow) * 1980-03-29 1981-10-28

Also Published As

Publication number Publication date
JPH0320359Y2 (enrdf_load_stackoverflow) 1991-05-01

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