JPH0332660B2 - - Google Patents

Info

Publication number
JPH0332660B2
JPH0332660B2 JP59022686A JP2268684A JPH0332660B2 JP H0332660 B2 JPH0332660 B2 JP H0332660B2 JP 59022686 A JP59022686 A JP 59022686A JP 2268684 A JP2268684 A JP 2268684A JP H0332660 B2 JPH0332660 B2 JP H0332660B2
Authority
JP
Japan
Prior art keywords
pilot
operating
switching valve
main
valves
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 - Lifetime
Application number
JP59022686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60168904A (ja
Inventor
Tadashi Nakamura
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP2268684A priority Critical patent/JPS60168904A/ja
Publication of JPS60168904A publication Critical patent/JPS60168904A/ja
Publication of JPH0332660B2 publication Critical patent/JPH0332660B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP2268684A 1984-02-09 1984-02-09 パイロット操作方式の油圧ショベル用油圧回路 Granted JPS60168904A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2268684A JPS60168904A (ja) 1984-02-09 1984-02-09 パイロット操作方式の油圧ショベル用油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2268684A JPS60168904A (ja) 1984-02-09 1984-02-09 パイロット操作方式の油圧ショベル用油圧回路

Related Child Applications (6)

Application Number Title Priority Date Filing Date
JP14031289A Division JPH0235122A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路
JP14031489A Division JPH0235126A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路
JP14031589A Division JPH0235124A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路
JP14031189A Division JPH0235121A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路
JP14031089A Division JPH0235120A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路
JP14031389A Division JPH0235123A (ja) 1989-06-02 1989-06-02 パイロット操作方式の油圧ショベル用油圧回路

Publications (2)

Publication Number Publication Date
JPS60168904A JPS60168904A (ja) 1985-09-02
JPH0332660B2 true JPH0332660B2 (da) 1991-05-14

Family

ID=12089749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2268684A Granted JPS60168904A (ja) 1984-02-09 1984-02-09 パイロット操作方式の油圧ショベル用油圧回路

Country Status (1)

Country Link
JP (1) JPS60168904A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131532A (ja) * 1984-07-24 1986-02-14 Kubota Ltd シヨベル作業車
JPH0321728A (ja) * 1989-06-19 1991-01-30 Yutani Heavy Ind Ltd 油圧ショベルの操作装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976669U (ja) * 1982-11-16 1984-05-24 株式会社小松製作所 油圧駆動車の作業機操作装置

Also Published As

Publication number Publication date
JPS60168904A (ja) 1985-09-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term