JPH0242675Y2 - - Google Patents
Info
- Publication number
- JPH0242675Y2 JPH0242675Y2 JP19526085U JP19526085U JPH0242675Y2 JP H0242675 Y2 JPH0242675 Y2 JP H0242675Y2 JP 19526085 U JP19526085 U JP 19526085U JP 19526085 U JP19526085 U JP 19526085U JP H0242675 Y2 JPH0242675 Y2 JP H0242675Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- elevator
- frame
- excavation
- pin
- 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 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Chain Conveyers (AREA)
- Ship Loading And Unloading (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19526085U JPH0242675Y2 (en]) | 1985-12-20 | 1985-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19526085U JPH0242675Y2 (en]) | 1985-12-20 | 1985-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62103541U JPS62103541U (en]) | 1987-07-01 |
| JPH0242675Y2 true JPH0242675Y2 (en]) | 1990-11-14 |
Family
ID=31152987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19526085U Expired JPH0242675Y2 (en]) | 1985-12-20 | 1985-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242675Y2 (en]) |
-
1985
- 1985-12-20 JP JP19526085U patent/JPH0242675Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62103541U (en]) | 1987-07-01 |
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