JPS62176284U - - Google Patents
Info
- Publication number
- JPS62176284U JPS62176284U JP6249286U JP6249286U JPS62176284U JP S62176284 U JPS62176284 U JP S62176284U JP 6249286 U JP6249286 U JP 6249286U JP 6249286 U JP6249286 U JP 6249286U JP S62176284 U JPS62176284 U JP S62176284U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- kelly bar
- drive device
- link
- 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
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986062492U JPH0447276Y2 (nl) | 1986-04-24 | 1986-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986062492U JPH0447276Y2 (nl) | 1986-04-24 | 1986-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62176284U true JPS62176284U (nl) | 1987-11-09 |
| JPH0447276Y2 JPH0447276Y2 (nl) | 1992-11-09 |
Family
ID=30896822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986062492U Expired JPH0447276Y2 (nl) | 1986-04-24 | 1986-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447276Y2 (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0646090U (ja) * | 1993-10-04 | 1994-06-24 | 日本車輌製造株式会社 | アースドリル |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241561A (en) * | 1975-09-29 | 1977-03-31 | T I Shii Shichizun:Kk | Time measuring device |
| JPS5663281U (nl) * | 1979-10-18 | 1981-05-28 |
-
1986
- 1986-04-24 JP JP1986062492U patent/JPH0447276Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241561A (en) * | 1975-09-29 | 1977-03-31 | T I Shii Shichizun:Kk | Time measuring device |
| JPS5663281U (nl) * | 1979-10-18 | 1981-05-28 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0646090U (ja) * | 1993-10-04 | 1994-06-24 | 日本車輌製造株式会社 | アースドリル |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447276Y2 (nl) | 1992-11-09 |