JPS62148694U - - Google Patents
Info
- Publication number
- JPS62148694U JPS62148694U JP3432986U JP3432986U JPS62148694U JP S62148694 U JPS62148694 U JP S62148694U JP 3432986 U JP3432986 U JP 3432986U JP 3432986 U JP3432986 U JP 3432986U JP S62148694 U JPS62148694 U JP S62148694U
- Authority
- JP
- Japan
- Prior art keywords
- leader
- drive device
- kelly
- rotation drive
- earth drill
- 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.)
- Granted
Links
- 238000009412 basement excavation Methods 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986034329U JPH0523673Y2 (nl) | 1986-03-10 | 1986-03-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986034329U JPH0523673Y2 (nl) | 1986-03-10 | 1986-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62148694U true JPS62148694U (nl) | 1987-09-19 |
JPH0523673Y2 JPH0523673Y2 (nl) | 1993-06-16 |
Family
ID=30842772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986034329U Expired - Lifetime JPH0523673Y2 (nl) | 1986-03-10 | 1986-03-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0523673Y2 (nl) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5012808A (nl) * | 1973-06-06 | 1975-02-10 | ||
JPS5370702U (nl) * | 1976-11-17 | 1978-06-14 | ||
JPS584025A (ja) * | 1981-06-30 | 1983-01-11 | Nippon Sharyo Seizo Kaisha Ltd | 杭打機のフロントアタツチメント格納方法及びその装置 |
JPS58156687A (ja) * | 1982-03-12 | 1983-09-17 | 日立建機株式会社 | ア−スドリルにおけるスラスタ−自動復帰装置 |
-
1986
- 1986-03-10 JP JP1986034329U patent/JPH0523673Y2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5012808A (nl) * | 1973-06-06 | 1975-02-10 | ||
JPS5370702U (nl) * | 1976-11-17 | 1978-06-14 | ||
JPS584025A (ja) * | 1981-06-30 | 1983-01-11 | Nippon Sharyo Seizo Kaisha Ltd | 杭打機のフロントアタツチメント格納方法及びその装置 |
JPS58156687A (ja) * | 1982-03-12 | 1983-09-17 | 日立建機株式会社 | ア−スドリルにおけるスラスタ−自動復帰装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0523673Y2 (nl) | 1993-06-16 |
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