JPS57190894A - Piston type lubrication and pressure compensator in excavating bit - Google Patents
Piston type lubrication and pressure compensator in excavating bitInfo
- Publication number
- JPS57190894A JPS57190894A JP7387581A JP7387581A JPS57190894A JP S57190894 A JPS57190894 A JP S57190894A JP 7387581 A JP7387581 A JP 7387581A JP 7387581 A JP7387581 A JP 7387581A JP S57190894 A JPS57190894 A JP S57190894A
- Authority
- JP
- Japan
- Prior art keywords
- piston type
- pressure compensator
- excavating bit
- type lubrication
- lubrication
- 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
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7387581A JPS57190894A (en) | 1981-05-17 | 1981-05-17 | Piston type lubrication and pressure compensator in excavating bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7387581A JPS57190894A (en) | 1981-05-17 | 1981-05-17 | Piston type lubrication and pressure compensator in excavating bit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57190894A true JPS57190894A (en) | 1982-11-24 |
Family
ID=13530802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7387581A Pending JPS57190894A (en) | 1981-05-17 | 1981-05-17 | Piston type lubrication and pressure compensator in excavating bit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57190894A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7694748B2 (en) | 2004-09-03 | 2010-04-13 | Sandvik Mining And Construction Oy | Rock breaking machine and lubricating method |
US7900748B2 (en) | 2005-04-27 | 2011-03-08 | Caterpillar Inc | Lubrication system for a hydraulic or pneumatic tool |
US8689940B2 (en) | 2010-08-19 | 2014-04-08 | Caterpillar Inc. | Lubrication system for a breaking tool |
US9010493B2 (en) | 2012-03-13 | 2015-04-21 | Caterpillar Inc. | Lubrication arrangement |
US9217341B2 (en) | 2013-08-15 | 2015-12-22 | Caterpillar Inc. | Lubrication system for tool |
-
1981
- 1981-05-17 JP JP7387581A patent/JPS57190894A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7694748B2 (en) | 2004-09-03 | 2010-04-13 | Sandvik Mining And Construction Oy | Rock breaking machine and lubricating method |
US7900748B2 (en) | 2005-04-27 | 2011-03-08 | Caterpillar Inc | Lubrication system for a hydraulic or pneumatic tool |
US8689940B2 (en) | 2010-08-19 | 2014-04-08 | Caterpillar Inc. | Lubrication system for a breaking tool |
US9010493B2 (en) | 2012-03-13 | 2015-04-21 | Caterpillar Inc. | Lubrication arrangement |
US9217341B2 (en) | 2013-08-15 | 2015-12-22 | Caterpillar Inc. | Lubrication system for tool |
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