JPH0169891U - - Google Patents
Info
- Publication number
- JPH0169891U JPH0169891U JP1987162450U JP16245087U JPH0169891U JP H0169891 U JPH0169891 U JP H0169891U JP 1987162450 U JP1987162450 U JP 1987162450U JP 16245087 U JP16245087 U JP 16245087U JP H0169891 U JPH0169891 U JP H0169891U
- Authority
- JP
- Japan
- Prior art keywords
- kelly rod
- rod
- kelly
- axial direction
- gripping
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987162450U JPH0526149Y2 (en, 2012) | 1987-10-26 | 1987-10-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987162450U JPH0526149Y2 (en, 2012) | 1987-10-26 | 1987-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0169891U true JPH0169891U (en, 2012) | 1989-05-09 |
JPH0526149Y2 JPH0526149Y2 (en, 2012) | 1993-07-01 |
Family
ID=31446288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987162450U Expired - Lifetime JPH0526149Y2 (en, 2012) | 1987-10-26 | 1987-10-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0526149Y2 (en, 2012) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019210740A (ja) * | 2018-06-06 | 2019-12-12 | 株式会社菅原建設 | 建設機材の回転反力受け装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5985087A (ja) * | 1982-11-08 | 1984-05-16 | 三菱重工業株式会社 | 竪孔掘削機 |
JPS62225687A (ja) * | 1985-10-23 | 1987-10-03 | 丸五基礎工業株式会社 | ア−スドリル掘削機 |
-
1987
- 1987-10-26 JP JP1987162450U patent/JPH0526149Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5985087A (ja) * | 1982-11-08 | 1984-05-16 | 三菱重工業株式会社 | 竪孔掘削機 |
JPS62225687A (ja) * | 1985-10-23 | 1987-10-03 | 丸五基礎工業株式会社 | ア−スドリル掘削機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019210740A (ja) * | 2018-06-06 | 2019-12-12 | 株式会社菅原建設 | 建設機材の回転反力受け装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0526149Y2 (en, 2012) | 1993-07-01 |