JPS6158251U - - Google Patents
Info
- Publication number
- JPS6158251U JPS6158251U JP14209584U JP14209584U JPS6158251U JP S6158251 U JPS6158251 U JP S6158251U JP 14209584 U JP14209584 U JP 14209584U JP 14209584 U JP14209584 U JP 14209584U JP S6158251 U JPS6158251 U JP S6158251U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- protruding portion
- edge
- groove
- circumferential surface
- 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
- 239000000725 suspension Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000011796 hollow space material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図は本案のマンホールの蓋を示す縦断面図
、第２図は蓋を旋回して開口した状態の縦断面図
、第３図は反転開口状態の縦断面図、第４図は第
３図Ａ−Ａ線による平面図である。
１…上端開口縁枠、２…突起、３…ラジアル方
向長孔、４…下向嵌合縁、５…蓋、６…突出部、
７…ラジアル方向切欠溝、８…軸受面、９…広幅
孔、１０…空室、１１…雌螺孔、１２…止ねじ、
１３…懸垂連杆、１４，１４′…枢軸。
Fig. 1 is a vertical cross-sectional view showing the manhole cover of the present invention, Fig. 2 is a longitudinal cross-sectional view of the manhole cover when it is turned open, Fig. 3 is a longitudinal cross-sectional view of the manhole cover when it is opened in reverse, and Fig. 4 is a longitudinal cross-sectional view of the manhole cover when the cover is turned open. It is a top view taken along the figure A-A line. DESCRIPTION OF SYMBOLS 1... Upper end opening edge frame, 2... Protrusion, 3... Radial direction long hole, 4... Downward fitting edge, 5... Lid, 6... Projection part,
7...Radial direction notch groove, 8...Bearing surface, 9...Wide hole, 10...Vacancy, 11...Female screw hole, 12...Set screw,
13...suspension link, 14,14'...pivot.
Claims (1)
アル方向に向う突起を設け、同突起にラジアル方
向長孔を穿設し、上記内周面と符合する外周面を
有する下向嵌合縁を蓋の下面に設け、同嵌合縁の
内周面と蓋の下面に亘つて突出部を形成し、同突
出部の下面及び上記嵌合縁に亘つてラジアル方向
切欠溝を形成し、同溝の対向内面の一方に同溝と
直交する軸受面を有する広幅孔を形成し、他方に
空室を形成し、同突出部の下面から空室中央部に
雌螺孔を穿設し、同雌螺孔に止ねじを螺入し、か
つ上記ラジアル方向長孔に挿入した懸垂連杆の上
端面側に上記広幅孔及び空室に挿入する枢軸を突
設し、空室挿入枢軸が上記止ねじによつて挿入枢
軸の軸受ストツパを形成してなるマンホールの蓋
。 A protrusion facing in the radial direction is provided on the lower edge of the inner circumferential surface of the upper end opening edge frame of the manhole, a radially elongated hole is bored in the protrusion, and a downward fitting edge having an outer circumferential surface that coincides with the inner circumferential surface is formed. A protruding portion is provided on the lower surface of the lid, and a protruding portion is formed across the inner peripheral surface of the fitting edge and the lower surface of the lid, and a radial direction notch groove is formed across the lower surface of the protruding portion and the fitting edge. A wide hole with a bearing surface perpendicular to the groove is formed on one side of the opposing inner surface of the groove, a hollow chamber is formed on the other side, and a female screw hole is bored from the lower surface of the protruding part to the center of the hollow space. A set screw is screwed into the screw hole, and a pivot to be inserted into the wide hole and the cavity is provided protruding from the upper end side of the suspension link inserted into the radial long hole, and the cavity insertion pivot is connected to the set screw. A manhole cover formed by forming a bearing stopper for an insertion axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14209584U JPH0242753Y2 (en) | 1984-09-18 | 1984-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14209584U JPH0242753Y2 (en) | 1984-09-18 | 1984-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6158251U true JPS6158251U (en) | 1986-04-19 |
| JPH0242753Y2 JPH0242753Y2 (en) | 1990-11-14 |
Family
ID=30700426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14209584U Expired JPH0242753Y2 (en) | 1984-09-18 | 1984-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242753Y2 (en) |
-
1984
- 1984-09-18 JP JP14209584U patent/JPH0242753Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0242753Y2 (en) | 1990-11-14 |