JPH0470344U - - Google Patents
Info
- Publication number
- JPH0470344U JPH0470344U JP11297090U JP11297090U JPH0470344U JP H0470344 U JPH0470344 U JP H0470344U JP 11297090 U JP11297090 U JP 11297090U JP 11297090 U JP11297090 U JP 11297090U JP H0470344 U JPH0470344 U JP H0470344U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- rotor
- rotated
- manhole
- locking part
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11297090U JPH0470344U (zh) | 1990-10-26 | 1990-10-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11297090U JPH0470344U (zh) | 1990-10-26 | 1990-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0470344U true JPH0470344U (zh) | 1992-06-22 |
Family
ID=31860501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11297090U Pending JPH0470344U (zh) | 1990-10-26 | 1990-10-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0470344U (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6250248B2 (zh) * | 1984-03-23 | 1987-10-23 | Nagayama Denshi Kogyo Kk |
-
1990
- 1990-10-26 JP JP11297090U patent/JPH0470344U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6250248B2 (zh) * | 1984-03-23 | 1987-10-23 | Nagayama Denshi Kogyo Kk |