JPS62181652U - - Google Patents
Info
- Publication number
- JPS62181652U JPS62181652U JP6877686U JP6877686U JPS62181652U JP S62181652 U JPS62181652 U JP S62181652U JP 6877686 U JP6877686 U JP 6877686U JP 6877686 U JP6877686 U JP 6877686U JP S62181652 U JPS62181652 U JP S62181652U
- Authority
- JP
- Japan
- Prior art keywords
- engaged
- opening
- engagement groove
- receiving frame
- hanging wall
- 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
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Sewage (AREA)
Description
第１図は、本考案の一実施例を示す平面図、第
２図は、第１図の―線についての縦断面図、
第３図は、従来にマンホール蓋を示す縦断面図、
第４図は、第３図の蓋の長孔を示す平面図である
。
１……蓋、１ａ……天板、１ｂ……垂下壁、２
……凹部、３……パツキング、４……突片、５…
…係合溝、６……受枠、６ａ……枠体、６ｂ……
開拡段部、６ｃ，６ｄ……周壁、７……開口、８
……凹部、９……凹入部、１０……軸、１１……
係合爪、１１ａ……爪片、１２……ロツク解除鍵
、１３……隙間。
FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is a longitudinal sectional view taken along the line - in FIG. 1,
FIG. 3 is a vertical cross-sectional view showing a conventional manhole cover;
FIG. 4 is a plan view showing the elongated hole in the lid of FIG. 3. 1... Lid, 1a... Top plate, 1b... Hanging wall, 2
... recess, 3 ... packing, 4 ... protrusion, 5 ...
...Engagement groove, 6...Receptacle frame, 6a...Frame body, 6b...
Expanding step portion, 6c, 6d...peripheral wall, 7...opening, 8
... recess, 9 ... recess, 10 ... shaft, 11 ...
Engagement claw, 11a...Claw piece, 12...Lock release key, 13...Gap.
Claims (1)
側方より外向きの突片を突設するとともに、同じ
く他側に係合溝を切設した蓋と、上端の開口部に
形成された開拡段部の内周壁の一側方に、前記突
片が係止しうる凹部を備えるとともに、同じく他
側方に、回動することにより、先端が、前記係合
溝に係脱自在に係合しうる係合爪を備える受枠と
からなることを特徴とするマンホール等の閉塞装
置。 A hanging wall is provided on the peripheral edge of the back surface, an outward protruding piece is provided on one side of the outer peripheral surface of the hanging wall, and a lid is also provided with an engagement groove cut on the other side, and an opening at the upper end is formed. A recess into which the projecting piece can be engaged is provided on one side of the inner circumferential wall of the opening and expanding step, and the tip can be freely engaged and disengaged from the engagement groove by rotating to the other side. 1. A device for closing a manhole or the like, comprising a receiving frame having an engaging claw that can be engaged with the receiving frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986068776U JPH0521551Y2 (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986068776U JPH0521551Y2 (en) | 1986-05-09 | 1986-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62181652U true JPS62181652U (en) | 1987-11-18 |
| JPH0521551Y2 JPH0521551Y2 (en) | 1993-06-02 |
Family
ID=30908905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986068776U Expired - Lifetime JPH0521551Y2 (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521551Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159749U (en) * | 1978-04-27 | 1979-11-08 |
-
1986
- 1986-05-09 JP JP1986068776U patent/JPH0521551Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159749U (en) * | 1978-04-27 | 1979-11-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521551Y2 (en) | 1993-06-02 |
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