JPH078591Y2 - マンホール蓋の解錠装置 - Google Patents
マンホール蓋の解錠装置Info
- Publication number
- JPH078591Y2 JPH078591Y2 JP261391U JP261391U JPH078591Y2 JP H078591 Y2 JPH078591 Y2 JP H078591Y2 JP 261391 U JP261391 U JP 261391U JP 261391 U JP261391 U JP 261391U JP H078591 Y2 JPH078591 Y2 JP H078591Y2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- burl
- unlocking
- slot
- manhole
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP261391U JPH078591Y2 (ja) | 1991-01-30 | 1991-01-30 | マンホール蓋の解錠装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP261391U JPH078591Y2 (ja) | 1991-01-30 | 1991-01-30 | マンホール蓋の解錠装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0499738U JPH0499738U (enExample) | 1992-08-28 |
| JPH078591Y2 true JPH078591Y2 (ja) | 1995-03-01 |
Family
ID=31730893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP261391U Expired - Lifetime JPH078591Y2 (ja) | 1991-01-30 | 1991-01-30 | マンホール蓋の解錠装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078591Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5518809B2 (ja) * | 2011-08-09 | 2014-06-11 | 北勢工業株式会社 | 地下構造物用蓋の施錠構造 |
-
1991
- 1991-01-30 JP JP261391U patent/JPH078591Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0499738U (enExample) | 1992-08-28 |
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