JPH0521552Y2 - - Google Patents
Info
- Publication number
- JPH0521552Y2 JPH0521552Y2 JP8310987U JP8310987U JPH0521552Y2 JP H0521552 Y2 JPH0521552 Y2 JP H0521552Y2 JP 8310987 U JP8310987 U JP 8310987U JP 8310987 U JP8310987 U JP 8310987U JP H0521552 Y2 JPH0521552 Y2 JP H0521552Y2
- Authority
- JP
- Japan
- Prior art keywords
- handle
- lid
- pin
- cam structure
- iron
- 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.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000004570 mortar (masonry) Substances 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8310987U JPH0521552Y2 (en]) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8310987U JPH0521552Y2 (en]) | 1987-05-29 | 1987-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63194952U JPS63194952U (en]) | 1988-12-15 |
| JPH0521552Y2 true JPH0521552Y2 (en]) | 1993-06-02 |
Family
ID=30936398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8310987U Expired - Lifetime JPH0521552Y2 (en]) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521552Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200487430Y1 (ko) * | 2014-06-12 | 2018-09-19 | 대우조선해양 주식회사 | 선박용 맨홀 커버장치 |
-
1987
- 1987-05-29 JP JP8310987U patent/JPH0521552Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63194952U (en]) | 1988-12-15 |