JPS5646095A - Hydraulic controlling circuit for rock drill - Google Patents
Hydraulic controlling circuit for rock drillInfo
- 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
Links
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) |
-
1979
- 1979-09-20 JP JP12152879A patent/JPS5646095A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5750917B2 (en) | 1982-10-29 |
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