JPH0233888U - - Google Patents
Info
- Publication number
- JPH0233888U JPH0233888U JP11068988U JP11068988U JPH0233888U JP H0233888 U JPH0233888 U JP H0233888U JP 11068988 U JP11068988 U JP 11068988U JP 11068988 U JP11068988 U JP 11068988U JP H0233888 U JPH0233888 U JP H0233888U
- Authority
- JP
- Japan
- Prior art keywords
- support plate
- rotating shaft
- prismatic
- cylinder
- outer cylinder
- 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
- 238000005553 drilling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11068988U JPH0233888U (enExample) | 1988-08-25 | 1988-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11068988U JPH0233888U (enExample) | 1988-08-25 | 1988-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233888U true JPH0233888U (enExample) | 1990-03-02 |
Family
ID=31348075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11068988U Pending JPH0233888U (enExample) | 1988-08-25 | 1988-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233888U (enExample) |
-
1988
- 1988-08-25 JP JP11068988U patent/JPH0233888U/ja active Pending