JPS612552U - Manhole cover locking device - Google Patents
Manhole cover locking deviceInfo
- Publication number
- JPS612552U JPS612552U JP8701484U JP8701484U JPS612552U JP S612552 U JPS612552 U JP S612552U JP 8701484 U JP8701484 U JP 8701484U JP 8701484 U JP8701484 U JP 8701484U JP S612552 U JPS612552 U JP S612552U
- Authority
- JP
- Japan
- Prior art keywords
- locking
- weight
- manhole cover
- locking device
- lever
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の〒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図はその平面図である。
１・・＝−マンホール蓋体、２・・・マンホール外枠、
４・・・閉錠用ウェイト、７・・・閉止用ウェイトレバ
ー。The drawings show two embodiments of the present invention; FIG. 1 is a side sectional view showing the main parts, and FIG. 2 is a plan view thereof. 1...=-manhole cover body, 2... manhole outer frame,
4... Weight for closing, 7... Weight lever for closing.
Claims (1)
能にピン５着して垂下すると ともに、この閉錠用ヴエイト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部４ａを
形成する一方、この閉錠用ウェイト４に対向して錠止用
ウェイトレバー７を揺動可能にピン８着するとともに、
錠止用ウェイトレバニ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の錠牢片７
ｂにて閉錠用ウェイト４の内側面４ｂを係止する錠止装
置で、錠止用ウェイトレバー７はほぼ水平状の錠止片７
ｂと下端にウェイトＷをもつウェイト片７ａにてへの字
型に形成してあることを特徴とするマンホール蓋体の錠
止装置。[Scope of Claim for Utility Model Registration] Five locking pins are hung around the side circumference of the lower surface of the manhole cover body 1 in a swingable manner, and a manhole outer frame 2 is attached to the outside of the locking valve 4. A releasable hook portion 4a is formed on the stepped surface 6 of the inner circumferential opening 2a, and a locking weight lever 7 is swingably mounted with eight pins facing the locking weight 4.
When the weight portion 7a of the locking weight lever 7 is hanging downward, the locking piece 7 of the locking weight lever 7
A locking device that locks the inner surface 4b of the locking weight 4 at a point b, and the locking weight lever 7 has a locking piece 7 that is substantially horizontal.
A locking device for a manhole cover body, characterized in that it is formed in a U-shape by a weight piece 7a having a weight W at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8701484U JPS612552U (en) | 1984-06-11 | 1984-06-11 | Manhole cover locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8701484U JPS612552U (en) | 1984-06-11 | 1984-06-11 | Manhole cover locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS612552U true JPS612552U (en) | 1986-01-09 |
| JPH0235868Y2 JPH0235868Y2 (en) | 1990-10-01 |
Family
ID=30638842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8701484U Granted JPS612552U (en) | 1984-06-11 | 1984-06-11 | Manhole cover locking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612552U (en) |
-
1984
- 1984-06-11 JP JP8701484U patent/JPS612552U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235868Y2 (en) | 1990-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS612552U (en) | Manhole cover locking device | |
| JPS60169346U (en) | Manhole cover locking device | |
| JPS60169345U (en) | Manhole cover locking device | |
| JPS6333015U (en) | ||
| JPS60195386U (en) | Rainwater filter device | |
| JPS62171986U (en) | ||
| JPH0336036U (en) | ||
| JPS5829644U (en) | Manhole cover locking device | |
| JPS5880951U (en) | Clothes hanger with clothes retention mount | |
| JPS5883570U (en) | Bonnet auxiliary cover support structure | |
| JPS62115366U (en) | ||
| JPS6015292U (en) | Hanger that can be combined freely | |
| JPH0286374U (en) | ||
| JPS60168741U (en) | Structure of the lid attachment part of the floor opening | |
| JPS60100449U (en) | Manhole cover device | |
| JPS5943712U (en) | Futsuku | |
| JPS62154171U (en) | ||
| JPS60180696U (en) | motorcycle bag | |
| JPS6128778U (en) | Crane hoisting device | |
| JPH0464223U (en) | ||
| JPS59127618U (en) | wearable urinal | |
| JPS5959521U (en) | safety hook | |
| JPS60138969U (en) | Glove door open position locking device | |
| JPS59129947U (en) | iron lid | |
| JPH035356U (en) |