JPH02145979U - - Google Patents

Info

Publication number
JPH02145979U
JPH02145979U JP5148090U JP5148090U JPH02145979U JP H02145979 U JPH02145979 U JP H02145979U JP 5148090 U JP5148090 U JP 5148090U JP 5148090 U JP5148090 U JP 5148090U JP H02145979 U JPH02145979 U JP H02145979U
Authority
JP
Japan
Prior art keywords
liquid chamber
piston
control port
port
impact device
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
JP5148090U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP5148090U priority Critical patent/JPH02145979U/ja
Publication of JPH02145979U publication Critical patent/JPH02145979U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP5148090U 1990-05-17 1990-05-17 Pending JPH02145979U (US06373033-20020416-M00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5148090U JPH02145979U (US06373033-20020416-M00002.png) 1990-05-17 1990-05-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5148090U JPH02145979U (US06373033-20020416-M00002.png) 1990-05-17 1990-05-17

Publications (1)

Publication Number Publication Date
JPH02145979U true JPH02145979U (US06373033-20020416-M00002.png) 1990-12-11

Family

ID=31570966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5148090U Pending JPH02145979U (US06373033-20020416-M00002.png) 1990-05-17 1990-05-17

Country Status (1)

Country Link
JP (1) JPH02145979U (US06373033-20020416-M00002.png)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174594A (en) * 1981-04-22 1982-10-27 Furukawa Kogyo Kk Strike mechanism of liquid pressure type rock drilling machine
JPS57205077A (en) * 1981-06-12 1982-12-16 Furukawa Kogyo Kk Converting mechanism for piston stroke of hydraulic type impact tool
JPS5871083A (ja) * 1981-10-20 1983-04-27 株式会社山本鉄工所 打撃装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174594A (en) * 1981-04-22 1982-10-27 Furukawa Kogyo Kk Strike mechanism of liquid pressure type rock drilling machine
JPS57205077A (en) * 1981-06-12 1982-12-16 Furukawa Kogyo Kk Converting mechanism for piston stroke of hydraulic type impact tool
JPS5871083A (ja) * 1981-10-20 1983-04-27 株式会社山本鉄工所 打撃装置

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