JPH01136594U - - Google Patents
Info
- Publication number
- JPH01136594U JPH01136594U JP2522088U JP2522088U JPH01136594U JP H01136594 U JPH01136594 U JP H01136594U JP 2522088 U JP2522088 U JP 2522088U JP 2522088 U JP2522088 U JP 2522088U JP H01136594 U JPH01136594 U JP H01136594U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- main body
- leading device
- ball joint
- propulsion
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2522088U JPH01136594U (is) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2522088U JPH01136594U (is) | 1988-02-29 | 1988-02-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01136594U true JPH01136594U (is) | 1989-09-19 |
Family
ID=31245764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2522088U Pending JPH01136594U (is) | 1988-02-29 | 1988-02-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01136594U (is) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017160716A (ja) * | 2016-03-10 | 2017-09-14 | 学校法人 中央大学 | 掘削具、掘削具を用いた掘削装置 |
JP2017160717A (ja) * | 2016-03-10 | 2017-09-14 | 学校法人 中央大学 | 筒状体、及び、掘削装置 |
JP2018188898A (ja) * | 2017-05-09 | 2018-11-29 | 学校法人 中央大学 | スクリュー回転体 |
-
1988
- 1988-02-29 JP JP2522088U patent/JPH01136594U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017160716A (ja) * | 2016-03-10 | 2017-09-14 | 学校法人 中央大学 | 掘削具、掘削具を用いた掘削装置 |
JP2017160717A (ja) * | 2016-03-10 | 2017-09-14 | 学校法人 中央大学 | 筒状体、及び、掘削装置 |
JP2018188898A (ja) * | 2017-05-09 | 2018-11-29 | 学校法人 中央大学 | スクリュー回転体 |