JPS58132470A - 無反動油圧ハンマ - Google Patents

無反動油圧ハンマ

Info

Publication number
JPS58132470A
JPS58132470A JP1434782A JP1434782A JPS58132470A JP S58132470 A JPS58132470 A JP S58132470A JP 1434782 A JP1434782 A JP 1434782A JP 1434782 A JP1434782 A JP 1434782A JP S58132470 A JPS58132470 A JP S58132470A
Authority
JP
Japan
Prior art keywords
piston
oil
reaction force
cylinder
hole
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
JP1434782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6214397B2 (enrdf_load_stackoverflow
Inventor
長野　敏巳
高木　喜内
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.)
Japan National Railways
Nippon Kokuyu Tetsudo
Original Assignee
Japan National Railways
Nippon Kokuyu Tetsudo
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 Japan National Railways, Nippon Kokuyu Tetsudo filed Critical Japan National Railways
Priority to JP1434782A priority Critical patent/JPS58132470A/ja
Publication of JPS58132470A publication Critical patent/JPS58132470A/ja
Publication of JPS6214397B2 publication Critical patent/JPS6214397B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
JP1434782A 1982-02-02 1982-02-02 無反動油圧ハンマ Granted JPS58132470A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1434782A JPS58132470A (ja) 1982-02-02 1982-02-02 無反動油圧ハンマ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1434782A JPS58132470A (ja) 1982-02-02 1982-02-02 無反動油圧ハンマ

Publications (2)

Publication Number Publication Date
JPS58132470A true JPS58132470A (ja) 1983-08-06
JPS6214397B2 JPS6214397B2 (enrdf_load_stackoverflow) 1987-04-02

Family

ID=11858532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1434782A Granted JPS58132470A (ja) 1982-02-02 1982-02-02 無反動油圧ハンマ

Country Status (1)

Country Link
JP (1) JPS58132470A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062012A (en) * 1988-03-18 1991-10-29 Hitach, Ltd. Linear access mechanism with driving force reaction cancelling device and magnetic disk apparatus using the same
JPH10146777A (ja) * 1996-11-12 1998-06-02 Nitto Kohki Co Ltd 空圧式打撃工具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062012A (en) * 1988-03-18 1991-10-29 Hitach, Ltd. Linear access mechanism with driving force reaction cancelling device and magnetic disk apparatus using the same
JPH10146777A (ja) * 1996-11-12 1998-06-02 Nitto Kohki Co Ltd 空圧式打撃工具

Also Published As

Publication number Publication date
JPS6214397B2 (enrdf_load_stackoverflow) 1987-04-02

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