JPS5646095A - Hydraulic controlling circuit for rock drill - Google Patents

Hydraulic controlling circuit for rock drill

Info

Publication number
JPS5646095A
JPS5646095A JP12152879A JP12152879A JPS5646095A JP S5646095 A JPS5646095 A JP S5646095A JP 12152879 A JP12152879 A JP 12152879A JP 12152879 A JP12152879 A JP 12152879A JP S5646095 A JPS5646095 A JP S5646095A
Authority
JP
Japan
Prior art keywords
controlling circuit
rock drill
hydraulic controlling
hydraulic
drill
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
JP12152879A
Other languages
Japanese (ja)
Other versions
JPS5750917B2 (en
Inventor
Takeo Shiihara
Toshihiro Niihara
Shiyuuhou Iwata
Noboru Ishii
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
Toyo Kogyo 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 Toyo Kogyo Co Ltd filed Critical Toyo Kogyo Co Ltd
Priority to JP12152879A priority Critical patent/JPS5646095A/en
Publication of JPS5646095A publication Critical patent/JPS5646095A/en
Publication of JPS5750917B2 publication Critical patent/JPS5750917B2/ja
Priority to US06/489,608 priority patent/US4440236A/en
Granted legal-status Critical Current

Links

JP12152879A 1979-09-20 1979-09-20 Hydraulic controlling circuit for rock drill Granted JPS5646095A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12152879A JPS5646095A (en) 1979-09-20 1979-09-20 Hydraulic controlling circuit for rock drill
US06/489,608 US4440236A (en) 1979-09-20 1983-05-05 Hydraulic control system for a rock drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12152879A JPS5646095A (en) 1979-09-20 1979-09-20 Hydraulic controlling circuit for rock drill

Publications (2)

Publication Number Publication Date
JPS5646095A true JPS5646095A (en) 1981-04-27
JPS5750917B2 JPS5750917B2 (en) 1982-10-29

Family

ID=14813452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12152879A Granted JPS5646095A (en) 1979-09-20 1979-09-20 Hydraulic controlling circuit for rock drill

Country Status (1)

Country Link
JP (1) JPS5646095A (en)

Also Published As

Publication number Publication date
JPS5750917B2 (en) 1982-10-29

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