JPH0442367Y2 - - Google Patents
Info
- Publication number
- JPH0442367Y2 JPH0442367Y2 JP6393386U JP6393386U JPH0442367Y2 JP H0442367 Y2 JPH0442367 Y2 JP H0442367Y2 JP 6393386 U JP6393386 U JP 6393386U JP 6393386 U JP6393386 U JP 6393386U JP H0442367 Y2 JPH0442367 Y2 JP H0442367Y2
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- oil passage
- pilot
- arm
- valve
- 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
Links
- 238000009412 basement excavation Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6393386U JPH0442367Y2 (US20100223739A1-20100909-C00025.png) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6393386U JPH0442367Y2 (US20100223739A1-20100909-C00025.png) | 1986-04-25 | 1986-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62176253U JPS62176253U (US20100223739A1-20100909-C00025.png) | 1987-11-09 |
JPH0442367Y2 true JPH0442367Y2 (US20100223739A1-20100909-C00025.png) | 1992-10-06 |
Family
ID=30899621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6393386U Expired JPH0442367Y2 (US20100223739A1-20100909-C00025.png) | 1986-04-25 | 1986-04-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0442367Y2 (US20100223739A1-20100909-C00025.png) |
-
1986
- 1986-04-25 JP JP6393386U patent/JPH0442367Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62176253U (US20100223739A1-20100909-C00025.png) | 1987-11-09 |
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