JPH0417452U - - Google Patents

Info

Publication number
JPH0417452U
JPH0417452U JP5777290U JP5777290U JPH0417452U JP H0417452 U JPH0417452 U JP H0417452U JP 5777290 U JP5777290 U JP 5777290U JP 5777290 U JP5777290 U JP 5777290U JP H0417452 U JPH0417452 U JP H0417452U
Authority
JP
Japan
Prior art keywords
hydraulic
spools
pilot
switching unit
control 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.)
Granted
Application number
JP5777290U
Other languages
English (en)
Japanese (ja)
Other versions
JP2500784Y2 (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 JP5777290U priority Critical patent/JP2500784Y2/ja
Priority to US07/691,617 priority patent/US5125232A/en
Priority to CA 2041614 priority patent/CA2041614C/en
Publication of JPH0417452U publication Critical patent/JPH0417452U/ja
Priority to US07/880,868 priority patent/US5235811A/en
Application granted granted Critical
Publication of JP2500784Y2 publication Critical patent/JP2500784Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP5777290U 1990-05-29 1990-05-31 バックホウの油圧回路構造 Expired - Fee Related JP2500784Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5777290U JP2500784Y2 (ja) 1990-05-31 1990-05-31 バックホウの油圧回路構造
US07/691,617 US5125232A (en) 1990-05-29 1991-04-25 Control change system for a hydraulic working vehicle
CA 2041614 CA2041614C (en) 1990-05-29 1991-05-01 Control change system for a hydraulic working vehicle
US07/880,868 US5235811A (en) 1990-05-29 1992-05-11 Control change system for a hydraulic work vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5777290U JP2500784Y2 (ja) 1990-05-31 1990-05-31 バックホウの油圧回路構造

Publications (2)

Publication Number Publication Date
JPH0417452U true JPH0417452U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-13
JP2500784Y2 JP2500784Y2 (ja) 1996-06-12

Family

ID=31582787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5777290U Expired - Fee Related JP2500784Y2 (ja) 1990-05-29 1990-05-31 バックホウの油圧回路構造

Country Status (1)

Country Link
JP (1) JP2500784Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JP2500784Y2 (ja) 1996-06-12

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Legal Events

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