JPS6233949A - 油圧機械の油圧回路 - Google Patents

油圧機械の油圧回路

Info

Publication number
JPS6233949A
JPS6233949A JP60171886A JP17188685A JPS6233949A JP S6233949 A JPS6233949 A JP S6233949A JP 60171886 A JP60171886 A JP 60171886A JP 17188685 A JP17188685 A JP 17188685A JP S6233949 A JPS6233949 A JP S6233949A
Authority
JP
Japan
Prior art keywords
cylinder
arm
switching valve
hydraulic
directional
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
JP60171886A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0461938B2 (enrdf_load_stackoverflow
Inventor
Genroku Sugiyama
玄六 杉山
Toichi Hirata
東一 平田
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 JP60171886A priority Critical patent/JPS6233949A/ja
Publication of JPS6233949A publication Critical patent/JPS6233949A/ja
Publication of JPH0461938B2 publication Critical patent/JPH0461938B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP60171886A 1985-08-06 1985-08-06 油圧機械の油圧回路 Granted JPS6233949A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60171886A JPS6233949A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60171886A JPS6233949A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS6233949A true JPS6233949A (ja) 1987-02-13
JPH0461938B2 JPH0461938B2 (enrdf_load_stackoverflow) 1992-10-02

Family

ID=15931617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60171886A Granted JPS6233949A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS6233949A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0461938B2 (enrdf_load_stackoverflow) 1992-10-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term