JPS63100553U - - Google Patents
Info
- Publication number
- JPS63100553U JPS63100553U JP19564286U JP19564286U JPS63100553U JP S63100553 U JPS63100553 U JP S63100553U JP 19564286 U JP19564286 U JP 19564286U JP 19564286 U JP19564286 U JP 19564286U JP S63100553 U JPS63100553 U JP S63100553U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- boom cylinder
- oil
- switching valve
- oil passage
- 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
Links
- 239000003921 oil Substances 0.000 claims 12
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19564286U JPH0444684Y2 (pt) | 1986-12-18 | 1986-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19564286U JPH0444684Y2 (pt) | 1986-12-18 | 1986-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100553U true JPS63100553U (pt) | 1988-06-30 |
| JPH0444684Y2 JPH0444684Y2 (pt) | 1992-10-21 |
Family
ID=31153714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19564286U Expired JPH0444684Y2 (pt) | 1986-12-18 | 1986-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444684Y2 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012013169A (ja) * | 2010-07-01 | 2012-01-19 | Hitachi Constr Mach Co Ltd | 油圧作業機の油圧駆動装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101867528B1 (ko) * | 2017-11-20 | 2018-07-17 | 황종원 | 안티 드롭밸브의 릴리프 밸브 어셈블리 |
-
1986
- 1986-12-18 JP JP19564286U patent/JPH0444684Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012013169A (ja) * | 2010-07-01 | 2012-01-19 | Hitachi Constr Mach Co Ltd | 油圧作業機の油圧駆動装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0444684Y2 (pt) | 1992-10-21 |