JPS6457190U - - Google Patents
Info
- Publication number
- JPS6457190U JPS6457190U JP15168887U JP15168887U JPS6457190U JP S6457190 U JPS6457190 U JP S6457190U JP 15168887 U JP15168887 U JP 15168887U JP 15168887 U JP15168887 U JP 15168887U JP S6457190 U JPS6457190 U JP S6457190U
- Authority
- JP
- Japan
- Prior art keywords
- kelly bar
- excavating tool
- connecting shaft
- holding cylinder
- mast
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987151688U JPH0513829Y2 (bg) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987151688U JPH0513829Y2 (bg) | 1987-10-05 | 1987-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6457190U true JPS6457190U (bg) | 1989-04-10 |
JPH0513829Y2 JPH0513829Y2 (bg) | 1993-04-13 |
Family
ID=31425954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987151688U Expired - Lifetime JPH0513829Y2 (bg) | 1987-10-05 | 1987-10-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0513829Y2 (bg) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231681A (ja) * | 2006-03-03 | 2007-09-13 | Nippon Sharyo Seizo Kaisha Ltd | オーガ用変速装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531802U (bg) * | 1978-06-21 | 1980-02-29 | ||
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 |
JPS58180989U (ja) * | 1982-12-09 | 1983-12-02 | 西尾 佳一 | ア−スドリル装置 |
JPS61106824A (ja) * | 1984-10-29 | 1986-05-24 | Chuo Jidosha Kogyo Kk | 杭打機の油圧オ−ガ−装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5332813A (en) * | 1976-09-09 | 1978-03-28 | Nippon Kokan Kk <Nkk> | Preferential oxidizing method for molten iron |
-
1987
- 1987-10-05 JP JP1987151688U patent/JPH0513829Y2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531802U (bg) * | 1978-06-21 | 1980-02-29 | ||
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 |
JPS58180989U (ja) * | 1982-12-09 | 1983-12-02 | 西尾 佳一 | ア−スドリル装置 |
JPS61106824A (ja) * | 1984-10-29 | 1986-05-24 | Chuo Jidosha Kogyo Kk | 杭打機の油圧オ−ガ−装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231681A (ja) * | 2006-03-03 | 2007-09-13 | Nippon Sharyo Seizo Kaisha Ltd | オーガ用変速装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0513829Y2 (bg) | 1993-04-13 |
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