JPH0223088U - - Google Patents
Info
- Publication number
- JPH0223088U JPH0223088U JP9993888U JP9993888U JPH0223088U JP H0223088 U JPH0223088 U JP H0223088U JP 9993888 U JP9993888 U JP 9993888U JP 9993888 U JP9993888 U JP 9993888U JP H0223088 U JPH0223088 U JP H0223088U
- Authority
- JP
- Japan
- Prior art keywords
- tightening
- opening
- jack
- attached
- closing
- 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
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993888U JPH0223088U (is) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993888U JPH0223088U (is) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223088U true JPH0223088U (is) | 1990-02-15 |
Family
ID=31327558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9993888U Pending JPH0223088U (is) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223088U (is) |
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1988
- 1988-07-29 JP JP9993888U patent/JPH0223088U/ja active Pending