JPS60169346U - Manhole cover locking device - Google Patents
Manhole cover locking deviceInfo
- Publication number
- JPS60169346U JPS60169346U JP5657084U JP5657084U JPS60169346U JP S60169346 U JPS60169346 U JP S60169346U JP 5657084 U JP5657084 U JP 5657084U JP 5657084 U JP5657084 U JP 5657084U JP S60169346 U JPS60169346 U JP S60169346U
- Authority
- JP
- Japan
- Prior art keywords
- locking
- weight
- manhole cover
- locking device
- cover locking
- 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
図面は本考案の一つの実施例を示すもので、第１図は要
部を示す側断面図、第２図はその平面図、第３図は第１
−図のＡ−Ａ線断面図面である。The drawings show one embodiment of the present invention; FIG. 1 is a side sectional view showing the main parts, FIG. 2 is a plan view thereof, and FIG.
- It is a cross-sectional view taken along the line A-A in the figure.
Claims (1)
イト４を揺動可能にピン５着して垂下すると−ともに、
この閉錠用つ玉イト４の外側にはマンホール外枠２内周
口２ａの段差面６に係離可能なフックｉ４ａを形成する
と七もに、錠止用ウェイトレバー７を揺動可能にピン８
着した錠止装置で、錠止用ウェイトレバー７のウェイト
部７ａが下方へ垂下しているときには、錠止用ウェイト
レバー７のストップ片７ｂで閉錠用ウェイト４の内側を
係止するとともに、このウェイ１部７ａをマグネトｍ付
き操作棒Ｍで吸着上昇したときには、ストップ片７ｂを
閉錠用ウェイト４の内側から外れるように構成しである
ことを特徴とす暮マンホール蓋体の錠止装置。A locking weight 4 is swingably attached to five pins and hangs down near the side periphery of the lower surface of the manhole cover 1.
When a hook i4a that can be engaged with the stepped surface 6 of the inner peripheral opening 2a of the manhole outer frame 2 is formed on the outside of the locking dowel 4, a pin 8 is formed to allow the locking weight lever 7 to swing.
When the weight portion 7a of the locking weight lever 7 is hanging downward in the attached locking device, the stop piece 7b of the locking weight lever 7 locks the inside of the locking weight 4, and A locking device for a low manhole cover body, characterized in that when this way 1 part 7a is lifted up by an operating rod M with a magneto m, the stop piece 7b is disengaged from the inside of the locking weight 4. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5657084U JPS60169346U (en) | 1984-04-16 | 1984-04-16 | Manhole cover locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5657084U JPS60169346U (en) | 1984-04-16 | 1984-04-16 | Manhole cover locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60169346U true JPS60169346U (en) | 1985-11-09 |
| JPH0235867Y2 JPH0235867Y2 (en) | 1990-10-01 |
Family
ID=30580291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5657084U Granted JPS60169346U (en) | 1984-04-16 | 1984-04-16 | Manhole cover locking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60169346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6332024A (en) * | 1986-07-25 | 1988-02-10 | Hiyoshi Chuko Kk | Lock structure for manhole |
-
1984
- 1984-04-16 JP JP5657084U patent/JPS60169346U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6332024A (en) * | 1986-07-25 | 1988-02-10 | Hiyoshi Chuko Kk | Lock structure for manhole |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235867Y2 (en) | 1990-10-01 |
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