JPS57190894A - Piston type lubrication and pressure compensator in excavating bit - Google Patents

Piston type lubrication and pressure compensator in excavating bit

Info

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
Application number
JP7387581A
Other languages
Japanese (ja)
Inventor
Eishirou Mitsuida
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.)
TSUKAMOTO SEIKI KK
Original Assignee
TSUKAMOTO SEIKI KK
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 TSUKAMOTO SEIKI KK filed Critical TSUKAMOTO SEIKI KK
Priority to JP7387581A priority Critical patent/JPS57190894A/en
Publication of JPS57190894A publication Critical patent/JPS57190894A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7387581A 1981-05-17 1981-05-17 Piston type lubrication and pressure compensator in excavating bit Pending JPS57190894A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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