JPH0289087U - - Google Patents
Info
- Publication number
- JPH0289087U JPH0289087U JP16773788U JP16773788U JPH0289087U JP H0289087 U JPH0289087 U JP H0289087U JP 16773788 U JP16773788 U JP 16773788U JP 16773788 U JP16773788 U JP 16773788U JP H0289087 U JPH0289087 U JP H0289087U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- excavating
- bottom lid
- adjustment collar
- slidable
- 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 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16773788U JPH0289087U (en, 2012) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16773788U JPH0289087U (en, 2012) | 1988-12-27 | 1988-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0289087U true JPH0289087U (en, 2012) | 1990-07-13 |
Family
ID=31456302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16773788U Pending JPH0289087U (en, 2012) | 1988-12-27 | 1988-12-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0289087U (en, 2012) |
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1988
- 1988-12-27 JP JP16773788U patent/JPH0289087U/ja active Pending