JPH01137348U - - Google Patents
Info
- Publication number
- JPH01137348U JPH01137348U JP3314288U JP3314288U JPH01137348U JP H01137348 U JPH01137348 U JP H01137348U JP 3314288 U JP3314288 U JP 3314288U JP 3314288 U JP3314288 U JP 3314288U JP H01137348 U JPH01137348 U JP H01137348U
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- boom
- valve
- hydraulic circuit
- boom cylinder
- 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
Links
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3314288U JPH01137348U (2) | 1988-03-15 | 1988-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3314288U JPH01137348U (2) | 1988-03-15 | 1988-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01137348U true JPH01137348U (2) | 1989-09-20 |
Family
ID=31259801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3314288U Pending JPH01137348U (2) | 1988-03-15 | 1988-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01137348U (2) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010210072A (ja) * | 2009-03-12 | 2010-09-24 | Sumitomo (Shi) Construction Machinery Co Ltd | 作業機械の油圧制御システム |
| JP2010230061A (ja) * | 2009-03-26 | 2010-10-14 | Sumitomo (Shi) Construction Machinery Co Ltd | 建設機械用油圧制御回路 |
-
1988
- 1988-03-15 JP JP3314288U patent/JPH01137348U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010210072A (ja) * | 2009-03-12 | 2010-09-24 | Sumitomo (Shi) Construction Machinery Co Ltd | 作業機械の油圧制御システム |
| JP2010230061A (ja) * | 2009-03-26 | 2010-10-14 | Sumitomo (Shi) Construction Machinery Co Ltd | 建設機械用油圧制御回路 |
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