JPS63130580U - - Google Patents
Info
- Publication number
- JPS63130580U JPS63130580U JP2138087U JP2138087U JPS63130580U JP S63130580 U JPS63130580 U JP S63130580U JP 2138087 U JP2138087 U JP 2138087U JP 2138087 U JP2138087 U JP 2138087U JP S63130580 U JPS63130580 U JP S63130580U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- telescoping
- lever
- lowered
- released
- 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
- 238000009412 basement excavation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2138087U JPS63130580U (cs) | 1987-02-18 | 1987-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2138087U JPS63130580U (cs) | 1987-02-18 | 1987-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63130580U true JPS63130580U (cs) | 1988-08-26 |
Family
ID=30817772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2138087U Pending JPS63130580U (cs) | 1987-02-18 | 1987-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63130580U (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132252B2 (cs) * | 1980-09-26 | 1986-07-25 | Ryoji Ueda | |
| JPS6225691A (ja) * | 1985-07-25 | 1987-02-03 | 日立建機株式会社 | ア−スドリル |
-
1987
- 1987-02-18 JP JP2138087U patent/JPS63130580U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132252B2 (cs) * | 1980-09-26 | 1986-07-25 | Ryoji Ueda | |
| JPS6225691A (ja) * | 1985-07-25 | 1987-02-03 | 日立建機株式会社 | ア−スドリル |
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