JPS6346549Y2 - - Google Patents
Info
- Publication number
- JPS6346549Y2 JPS6346549Y2 JP1984080184U JP8018484U JPS6346549Y2 JP S6346549 Y2 JPS6346549 Y2 JP S6346549Y2 JP 1984080184 U JP1984080184 U JP 1984080184U JP 8018484 U JP8018484 U JP 8018484U JP S6346549 Y2 JPS6346549 Y2 JP S6346549Y2
- Authority
- JP
- Japan
- Prior art keywords
- bar
- kelly
- boom
- lever
- drive device
- 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 9
- 239000002689 soil Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8018484U JPS60195390U (ja) | 1984-05-30 | 1984-05-30 | アースドリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8018484U JPS60195390U (ja) | 1984-05-30 | 1984-05-30 | アースドリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60195390U JPS60195390U (ja) | 1985-12-26 |
| JPS6346549Y2 true JPS6346549Y2 (US07922777-20110412-C00004.png) | 1988-12-02 |
Family
ID=30625795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8018484U Granted JPS60195390U (ja) | 1984-05-30 | 1984-05-30 | アースドリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60195390U (US07922777-20110412-C00004.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0428958Y2 (US07922777-20110412-C00004.png) * | 1986-01-17 | 1992-07-14 | ||
| JP5271788B2 (ja) * | 2009-04-22 | 2013-08-21 | 日本車輌製造株式会社 | アースドリル |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5247285Y2 (US07922777-20110412-C00004.png) * | 1975-04-02 | 1977-10-27 |
-
1984
- 1984-05-30 JP JP8018484U patent/JPS60195390U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60195390U (ja) | 1985-12-26 |
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