JPH0516990B2 - - Google Patents

Info

Publication number
JPH0516990B2
JPH0516990B2 JP11119385A JP11119385A JPH0516990B2 JP H0516990 B2 JPH0516990 B2 JP H0516990B2 JP 11119385 A JP11119385 A JP 11119385A JP 11119385 A JP11119385 A JP 11119385A JP H0516990 B2 JPH0516990 B2 JP H0516990B2
Authority
JP
Japan
Prior art keywords
valve
chamber
pressure
piston
switching valve
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.)
Expired - Fee Related
Application number
JP11119385A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61270085A (ja
Inventor
Nobuyoshi Fukui
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.)
Furukawa Co Ltd
Original Assignee
Furukawa Co Ltd
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 Furukawa Co Ltd filed Critical Furukawa Co Ltd
Priority to JP11119385A priority Critical patent/JPS61270085A/ja
Publication of JPS61270085A publication Critical patent/JPS61270085A/ja
Publication of JPH0516990B2 publication Critical patent/JPH0516990B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP11119385A 1985-05-23 1985-05-23 液圧式打撃装置の切換弁機構 Granted JPS61270085A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11119385A JPS61270085A (ja) 1985-05-23 1985-05-23 液圧式打撃装置の切換弁機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11119385A JPS61270085A (ja) 1985-05-23 1985-05-23 液圧式打撃装置の切換弁機構

Publications (2)

Publication Number Publication Date
JPS61270085A JPS61270085A (ja) 1986-11-29
JPH0516990B2 true JPH0516990B2 (en]) 1993-03-05

Family

ID=14554851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11119385A Granted JPS61270085A (ja) 1985-05-23 1985-05-23 液圧式打撃装置の切換弁機構

Country Status (1)

Country Link
JP (1) JPS61270085A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527921C2 (sv) * 2004-10-20 2006-07-11 Atlas Copco Rock Drills Ab Slagverk

Also Published As

Publication number Publication date
JPS61270085A (ja) 1986-11-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees