JPH02148090U - - Google Patents
Info
- Publication number
- JPH02148090U JPH02148090U JP5686089U JP5686089U JPH02148090U JP H02148090 U JPH02148090 U JP H02148090U JP 5686089 U JP5686089 U JP 5686089U JP 5686089 U JP5686089 U JP 5686089U JP H02148090 U JPH02148090 U JP H02148090U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- cutter bit
- center
- bit
- pin
- 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.)
- Pending
Links
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5686089U JPH02148090U (enExample) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5686089U JPH02148090U (enExample) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148090U true JPH02148090U (enExample) | 1990-12-17 |
Family
ID=31581063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5686089U Pending JPH02148090U (enExample) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148090U (enExample) |
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1989
- 1989-05-17 JP JP5686089U patent/JPH02148090U/ja active Pending