JPS6319403Y2 - - Google Patents
Info
- Publication number
- JPS6319403Y2 JPS6319403Y2 JP3601381U JP3601381U JPS6319403Y2 JP S6319403 Y2 JPS6319403 Y2 JP S6319403Y2 JP 3601381 U JP3601381 U JP 3601381U JP 3601381 U JP3601381 U JP 3601381U JP S6319403 Y2 JPS6319403 Y2 JP S6319403Y2
- Authority
- JP
- Japan
- Prior art keywords
- piston rod
- piston
- oil chamber
- cylinder
- port
- 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
- 230000008602 contraction Effects 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Shovels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3601381U JPS6319403Y2 (en]) | 1981-03-13 | 1981-03-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3601381U JPS6319403Y2 (en]) | 1981-03-13 | 1981-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57151455U JPS57151455U (en]) | 1982-09-22 |
JPS6319403Y2 true JPS6319403Y2 (en]) | 1988-05-31 |
Family
ID=29833258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3601381U Expired JPS6319403Y2 (en]) | 1981-03-13 | 1981-03-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6319403Y2 (en]) |
-
1981
- 1981-03-13 JP JP3601381U patent/JPS6319403Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57151455U (en]) | 1982-09-22 |
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