JPS5980549U - Locking device for iron lids for underground structures - Google Patents
Locking device for iron lids for underground structuresInfo
- Publication number
- JPS5980549U JPS5980549U JP17708682U JP17708682U JPS5980549U JP S5980549 U JPS5980549 U JP S5980549U JP 17708682 U JP17708682 U JP 17708682U JP 17708682 U JP17708682 U JP 17708682U JP S5980549 U JPS5980549 U JP S5980549U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- iron lid
- locking device
- underground structures
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の実施例を示すもので、第１図は斜視図、第
２図はその平面図、第３図は縦断面図そして第４図は本
案装置を施した人孔鉄蓋の断面図である。
１・・・鉄蓋、２・・・枠体、３・・・鉤止体、４・・
・軸、５・・・針部、６・・・立上り部、７・・・鉤部
、８・・・周縁部、９・・・段部、１０・・・鍵孔、１
１・・・手かぎ。The figures show an embodiment of the present invention; Fig. 1 is a perspective view, Fig. 2 is a plan view thereof, Fig. 3 is a vertical sectional view, and Fig. 4 is a cross-section of a manhole iron cover equipped with the device of the present invention. It is a diagram. 1... Iron lid, 2... Frame body, 3... Hook body, 4...
・Shaft, 5... Needle part, 6... Rising part, 7... Hook part, 8... Peripheral part, 9... Step part, 10... Keyhole, 1
1...Handkey.
Claims (1)
動可能に軸支４し、該鉤止体３は軸支点より外方に針部
５を、また軸支点より内方に立上り部６を介して枠体側
に突出した鉤部７を夫々有する略Ｊ字形に形成し、前記
鉄蓋１の周縁部８の内側には前記鉤部７と係合する段部
９を設けて成り、鉤部上方の鉄蓋１に開口した鍵孔１０
より手かぎ１１を挿入し回転させることにより該鉤部７
を前記針部５の荷重に抗して内方に後退させ鉤部７と段
部９の保合を外すことを特徴とする地下構造物用鉄蓋の
施錠装置。The iron lid 1 is passed through the frame 2 that holds the iron lid 1, and a hook 3 is pivotably supported so as to be able to move up and down. It is formed into a substantially J-shape having hooks 7 that protrude inwardly toward the frame body through rising portions 6, and a stepped portion 9 that engages with the hooks 7 is provided inside the peripheral edge 8 of the iron lid 1. A keyhole 10 is provided in the iron lid 1 above the hook.
By inserting and rotating the twister hook 11, the hook portion 7 is
A locking device for an iron lid for an underground structure, characterized in that the hook part 7 and the step part 9 are disengaged by retreating inwardly against the load of the needle part 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17708682U JPS6020674Y2 (en) | 1982-11-22 | 1982-11-22 | Locking device for iron lids for underground structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17708682U JPS6020674Y2 (en) | 1982-11-22 | 1982-11-22 | Locking device for iron lids for underground structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5980549U true JPS5980549U (en) | 1984-05-31 |
| JPS6020674Y2 JPS6020674Y2 (en) | 1985-06-20 |
Family
ID=30384814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17708682U Expired JPS6020674Y2 (en) | 1982-11-22 | 1982-11-22 | Locking device for iron lids for underground structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6020674Y2 (en) |
-
1982
- 1982-11-22 JP JP17708682U patent/JPS6020674Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6020674Y2 (en) | 1985-06-20 |
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