JPH0452303Y2 - - Google Patents
Info
- Publication number
- JPH0452303Y2 JPH0452303Y2 JP1122786U JP1122786U JPH0452303Y2 JP H0452303 Y2 JPH0452303 Y2 JP H0452303Y2 JP 1122786 U JP1122786 U JP 1122786U JP 1122786 U JP1122786 U JP 1122786U JP H0452303 Y2 JPH0452303 Y2 JP H0452303Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- gantry
- crane
- earth drill
- backstay
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1122786U JPH0452303Y2 (US06168776-20010102-C00028.png) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1122786U JPH0452303Y2 (US06168776-20010102-C00028.png) | 1986-01-29 | 1986-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62125195U JPS62125195U (US06168776-20010102-C00028.png) | 1987-08-08 |
| JPH0452303Y2 true JPH0452303Y2 (US06168776-20010102-C00028.png) | 1992-12-09 |
Family
ID=30798248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1122786U Expired JPH0452303Y2 (US06168776-20010102-C00028.png) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452303Y2 (US06168776-20010102-C00028.png) |
-
1986
- 1986-01-29 JP JP1122786U patent/JPH0452303Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62125195U (US06168776-20010102-C00028.png) | 1987-08-08 |
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