JPS6428443U - - Google Patents
Info
- Publication number
- JPS6428443U JPS6428443U JP12137687U JP12137687U JPS6428443U JP S6428443 U JPS6428443 U JP S6428443U JP 12137687 U JP12137687 U JP 12137687U JP 12137687 U JP12137687 U JP 12137687U JP S6428443 U JPS6428443 U JP S6428443U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- manhole
- rotating body
- integrally formed
- receiving frame
- 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.)
- Pending
Links
Description
図面は本考案の実施態様を例示するもので、第
１図は本案マンホールを構成する蓋受枠の平面図
、第２図は同マンホールを構成する蓋の半部平面
、半部底面図、第３図は同蓋受枠に蓋を被せた状
態の縦断平面図である。
１…マンホール、２…蓋受枠、３…蓋、４…回
転体、５…段部、６…突片、７…段部、８…施錠
装置。
The drawings illustrate embodiments of the present invention, and FIG. 1 is a plan view of the lid receiving frame that constitutes the manhole of the present invention, FIG. The figure is a longitudinal sectional plan view of the lid receiving frame with the lid placed on it. DESCRIPTION OF SYMBOLS 1... Manhole, 2... Lid receiving frame, 3... Lid, 4... Rotating body, 5... Step part, 6... Projection piece, 7... Step part, 8... Locking device.
Claims (1)
と、同蓋受枠に嵌合載置される蓋３とから成り、
蓋３の一端部を持ち上げることにより他端部を支
点として反転開放させるようにしたマンホール１
に於いて、蓋３の裏面に半円形状の回転体４，４
を一体形成し、前記蓋受枠２には該回転体４，４
を支承するための凹部形状が回転体と略々同一の
段部５，５を形成すると共に、蓋３の回転体４，
４側に突片６を一体形成し、同突片６が下から係
合する段部７を蓋受枠２に形成して成るマンホー
ル。 Lid holder frame 2 buried in the periphery of the upper end of the floor opening
and a lid 3 that is fitted and placed on the lid receiving frame,
A manhole 1 in which one end of the lid 3 is lifted and the other end is used as a fulcrum to open the manhole upside down.
In this case, semicircular rotating bodies 4, 4 are placed on the back side of the lid 3.
are integrally formed, and the rotary bodies 4, 4 are integrally formed in the lid receiving frame 2.
The concave shape for supporting the rotating body forms step portions 5, 5 that are almost the same as the rotating body, and the rotating body 4 of the lid 3,
A manhole in which a protruding piece 6 is integrally formed on the 4 side, and a step part 7 is formed on the lid receiving frame 2, with which the protruding piece 6 engages from below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12137687U JPS6428443U (en) | 1987-08-07 | 1987-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12137687U JPS6428443U (en) | 1987-08-07 | 1987-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428443U true JPS6428443U (en) | 1989-02-20 |
Family
ID=31368327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12137687U Pending JPS6428443U (en) | 1987-08-07 | 1987-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428443U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517892B2 (en) * | 1972-04-12 | 1980-05-15 |
-
1987
- 1987-08-07 JP JP12137687U patent/JPS6428443U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517892B2 (en) * | 1972-04-12 | 1980-05-15 |