JP4408441B2 - 地下構造物用蓋の施錠構造 - Google Patents
地下構造物用蓋の施錠構造 Download PDFInfo
- Publication number
- JP4408441B2 JP4408441B2 JP2007141222A JP2007141222A JP4408441B2 JP 4408441 B2 JP4408441 B2 JP 4408441B2 JP 2007141222 A JP2007141222 A JP 2007141222A JP 2007141222 A JP2007141222 A JP 2007141222A JP 4408441 B2 JP4408441 B2 JP 4408441B2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- locking piece
- bar
- receiving frame
- 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.)
- Active
Links
- 239000010865 sewage Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Landscapes
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
2…蓋本体
3…蝶番
4…バール孔
7…錠座
8…係合突起
9…施錠駒
5…角棒
25…案内孔
10…センターアーム
11・12…サイドアーム
13…ねじりバネ
Claims (2)
- 円形状の受け枠と、受け枠の上部開口を開閉する蓋本体と、受け枠と蓋本体とを連結する蝶番とを備え、蓋本体の蝶番と対向する周縁にバール孔を刻設した地下構造物用蓋において、下部に受け枠の錠座に係合する係合突起を形成し、蓋本体のバール孔下方に揺動自在に枢支した施錠駒と、バール孔閉塞蓋を上部に形成した下部の角棒を施錠駒下部の案内孔で摺動させ、閉塞蓋の下部に装着したセンターアームと施錠駒に装着した2対のサイドアームをセンターアームの上下2箇所でヒンジ状に連結し、どちらか一方のヒンジにヒンジが開いて閉塞蓋を上方に押し上げる方向にねじりバネを装着した地下構造物用蓋の施錠構造。
- 下部に受け枠の錠座に係合する係合突起を施錠駒の両端2箇所に形成した請求項1記載の地下構造物用蓋の施錠構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007141222A JP4408441B2 (ja) | 2007-05-29 | 2007-05-29 | 地下構造物用蓋の施錠構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007141222A JP4408441B2 (ja) | 2007-05-29 | 2007-05-29 | 地下構造物用蓋の施錠構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008297697A JP2008297697A (ja) | 2008-12-11 |
JP4408441B2 true JP4408441B2 (ja) | 2010-02-03 |
Family
ID=40171463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007141222A Active JP4408441B2 (ja) | 2007-05-29 | 2007-05-29 | 地下構造物用蓋の施錠構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4408441B2 (ja) |
-
2007
- 2007-05-29 JP JP2007141222A patent/JP4408441B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2008297697A (ja) | 2008-12-11 |
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