JPH02139946U - - Google Patents
Info
- Publication number
- JPH02139946U JPH02139946U JP4990989U JP4990989U JPH02139946U JP H02139946 U JPH02139946 U JP H02139946U JP 4990989 U JP4990989 U JP 4990989U JP 4990989 U JP4990989 U JP 4990989U JP H02139946 U JPH02139946 U JP H02139946U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- cylinder
- locked
- hydraulic excavator
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Actuator (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4990989U JPH02139946U (en]) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4990989U JPH02139946U (en]) | 1989-04-27 | 1989-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02139946U true JPH02139946U (en]) | 1990-11-22 |
Family
ID=31568003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4990989U Pending JPH02139946U (en]) | 1989-04-27 | 1989-04-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02139946U (en]) |
-
1989
- 1989-04-27 JP JP4990989U patent/JPH02139946U/ja active Pending