JPH02132789U - - Google Patents
Info
- Publication number
- JPH02132789U JPH02132789U JP4026889U JP4026889U JPH02132789U JP H02132789 U JPH02132789 U JP H02132789U JP 4026889 U JP4026889 U JP 4026889U JP 4026889 U JP4026889 U JP 4026889U JP H02132789 U JPH02132789 U JP H02132789U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary blade
- horizontal rotation
- auger
- stoppers
- attached
- 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 description 3
- 238000005553 drilling Methods 0.000 claims description 3
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4026889U JPH0538155Y2 (enExample) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4026889U JPH0538155Y2 (enExample) | 1989-04-05 | 1989-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02132789U true JPH02132789U (enExample) | 1990-11-05 |
| JPH0538155Y2 JPH0538155Y2 (enExample) | 1993-09-27 |
Family
ID=31549914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4026889U Expired - Lifetime JPH0538155Y2 (enExample) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0538155Y2 (enExample) |
-
1989
- 1989-04-05 JP JP4026889U patent/JPH0538155Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0538155Y2 (enExample) | 1993-09-27 |