JPS6312228Y2 - - Google Patents
Info
- Publication number
- JPS6312228Y2 JPS6312228Y2 JP1983144219U JP14421983U JPS6312228Y2 JP S6312228 Y2 JPS6312228 Y2 JP S6312228Y2 JP 1983144219 U JP1983144219 U JP 1983144219U JP 14421983 U JP14421983 U JP 14421983U JP S6312228 Y2 JPS6312228 Y2 JP S6312228Y2
- Authority
- JP
- Japan
- Prior art keywords
- leader mast
- bearing
- boom
- mast
- leader
- 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 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14421983U JPS6053889U (ja) | 1983-09-17 | 1983-09-17 | ア−スオ−ガ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14421983U JPS6053889U (ja) | 1983-09-17 | 1983-09-17 | ア−スオ−ガ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6053889U JPS6053889U (ja) | 1985-04-16 |
JPS6312228Y2 true JPS6312228Y2 (US07534539-20090519-C00280.png) | 1988-04-08 |
Family
ID=30321674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14421983U Granted JPS6053889U (ja) | 1983-09-17 | 1983-09-17 | ア−スオ−ガ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6053889U (US07534539-20090519-C00280.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6268997A (ja) * | 1985-09-17 | 1987-03-30 | 近畿イシコ株式会社 | 杭打機等の回転リ−ダ−上部支持装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733117Y2 (US07534539-20090519-C00280.png) * | 1979-11-29 | 1982-07-21 |
-
1983
- 1983-09-17 JP JP14421983U patent/JPS6053889U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6053889U (ja) | 1985-04-16 |
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