JPH0233845U - - Google Patents
Info
- Publication number
- JPH0233845U JPH0233845U JP11294188U JP11294188U JPH0233845U JP H0233845 U JPH0233845 U JP H0233845U JP 11294188 U JP11294188 U JP 11294188U JP 11294188 U JP11294188 U JP 11294188U JP H0233845 U JPH0233845 U JP H0233845U
- Authority
- JP
- Japan
- Prior art keywords
- fitting hole
- stopper cylinder
- hole
- fits
- cylinder part
- 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
第１図は本考案蓋板の一実施例を示す縦断面図
、第２図は同平面図、第３図は同要部の拡大縦断
面図、第４図は同平面図、第５図は蓋本体の要部
の拡大縦断面図、第６図はゴム栓の拡大半截断面
図、第７図は本考案蓋板の取扱いに使用する工具
の一例を示す正面図、第８図は本考案蓋板の使用
状態を示す縦断面図である。
１…蓋本体、２…掛孔部、３…皿孔、４…嵌着
孔、５…縦溝、６…ゴム栓、７…拡大頭部、８…
栓筒部、９…係止部。
Fig. 1 is a longitudinal sectional view showing one embodiment of the lid plate of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is an enlarged longitudinal sectional view of the main parts, Fig. 4 is a plan view of the same, and Fig. 5 6 is an enlarged half-sectional view of the rubber stopper, FIG. 7 is a front view showing an example of the tool used to handle the lid plate of the present invention, and FIG. 8 is a front view of the main part of the lid body. FIG. 3 is a longitudinal sectional view showing the state of use of the invented lid plate. 1... Lid body, 2... Hanging hole, 3... Countersunk hole, 4... Fitting hole, 5... Vertical groove, 6... Rubber stopper, 7... Enlarged head, 8...
Stopper cylinder part, 9...Locking part.
Claims (1)
孔と、それに続いて小径の嵌着孔とを形成した掛
孔部を設け、該掛孔部内に、上端部に前記皿孔に
嵌合する拡大頭部に続いて前記嵌着孔に密嵌する
栓筒部を設けると共に、栓筒部の下端に、嵌着孔
より若干大径とした係止部を突設したゴム栓を、
嵌脱自在に設けたことを特徴とする、マンホール
の蓋板。 The lid body is provided with a hanging hole portion having a large diameter countersink hole with a vertical groove in a part of the periphery, and a small diameter fitting hole formed next thereto. A rubber plug is provided with a stopper cylinder part that fits tightly into the fitting hole following the enlarged head part that fits into the fitting hole, and a locking part with a slightly larger diameter than the fitting hole protrudes from the lower end of the stopper cylinder part. of,
A manhole cover plate that is characterized by being able to be fitted and removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11294188U JPH0233845U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11294188U JPH0233845U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233845U true JPH0233845U (en) | 1990-03-02 |
Family
ID=31352340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11294188U Pending JPH0233845U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100806485B1 (en) * | 2007-02-26 | 2008-02-21 | 허용 | Manhole cover |
| WO2024029010A1 (en) * | 2022-08-03 | 2024-02-08 | 日本電信電話株式会社 | Lid for underground structure, gas exhaust system, and method for constructing gas exhaust system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123345B2 (en) * | 1980-02-15 | 1986-06-05 | Matsushita Electric Works Ltd |
-
1988
- 1988-08-29 JP JP11294188U patent/JPH0233845U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123345B2 (en) * | 1980-02-15 | 1986-06-05 | Matsushita Electric Works Ltd |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100806485B1 (en) * | 2007-02-26 | 2008-02-21 | 허용 | Manhole cover |
| WO2024029010A1 (en) * | 2022-08-03 | 2024-02-08 | 日本電信電話株式会社 | Lid for underground structure, gas exhaust system, and method for constructing gas exhaust system |