JPH041245U - - Google Patents
Info
- Publication number
- JPH041245U JPH041245U JP4199290U JP4199290U JPH041245U JP H041245 U JPH041245 U JP H041245U JP 4199290 U JP4199290 U JP 4199290U JP 4199290 U JP4199290 U JP 4199290U JP H041245 U JPH041245 U JP H041245U
- Authority
- JP
- Japan
- Prior art keywords
- receiving
- receiving frame
- lid
- peripheral edge
- fall prevention
- 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
- 230000002265 prevention Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 3
Description
第１図ないし第３図は本考案に係るマンホール
の施蓋装置の一実施例を示しており、第１図は第
２図におけるＡ−Ａ線断面図、第２図は平面図、
第３図は分解斜視図である。第４図は本考案の別
実施例を示す要部の断面図である。第５図は本考
案の更に異なる別実施例を示す要部の断面図であ
る。
１……受枠、２……マンホール蓋、３……転落
防止蓋、４……蓋受部、４ａ……蓋受部の上側段
部、５……段部、６……突片、７……溝、９……
切欠部。
1 to 3 show an embodiment of the manhole covering device according to the present invention, in which FIG. 1 is a sectional view taken along line A-A in FIG. 2, FIG. 2 is a plan view,
FIG. 3 is an exploded perspective view. FIG. 4 is a sectional view of essential parts showing another embodiment of the present invention. FIG. 5 is a sectional view of a main part showing a further different embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Receiving frame, 2... Manhole cover, 3... Fall prevention cover, 4... Lid holder, 4a... Upper step of lid holder, 5... Step, 6... Protrusion, 7... ...Groove, 9...
Notch.
Claims (1)
るマンホール蓋２および転落防止蓋３とを有し、 上記受枠１の内周にマンホール蓋２の外周縁２
ａを受け止める蓋受部４を設けるとともに、この
蓋受部４の下側に転落防止蓋３の外周縁３ａを受
け止める段部５を設けてあり、 受枠１の内周の段部５よりも上側から突片６を
受枠１の中心に向けて突設するとともに、該突片
６と段部５との間に転落防止蓋３の外周縁３ａが
差し込まれる溝７を設けてあり、 転落防止蓋３の外周縁３には上記突片６が嵌合
する切欠部９を設けてあることを特徴とするマン
ホールの施蓋装置。[Claims for Utility Model Registration] It has a receiving frame 1, a manhole cover 2 and a fall prevention cover 3 that are received above and below within the receiving frame 1, and an outer peripheral edge 2 of the manhole cover 2 is provided on the inner periphery of the receiving frame 1.
A lid receiving part 4 for receiving a is provided, and a stepped part 5 for receiving the outer periphery 3a of the fall prevention lid 3 is provided on the lower side of the lid receiving part 4, and is located above the stepped part 5 on the inner periphery of the receiving frame 1. A protruding piece 6 is provided to protrude toward the center of the receiving frame 1, and a groove 7 is provided between the protruding piece 6 and the stepped portion 5 into which the outer peripheral edge 3a of the fall prevention lid 3 is inserted. 3. A manhole covering device characterized in that an outer peripheral edge 3 of No. 3 is provided with a cutout portion 9 into which the projection piece 6 is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4199290U JPH041245U (en) | 1990-04-19 | 1990-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4199290U JPH041245U (en) | 1990-04-19 | 1990-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041245U true JPH041245U (en) | 1992-01-08 |
Family
ID=31553142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4199290U Pending JPH041245U (en) | 1990-04-19 | 1990-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009695A (en) * | 2002-07-24 | 2004-01-31 | 주식회사 삼영정화조 | A locking device of a manhole cover |
| KR100509961B1 (en) * | 2002-12-04 | 2005-08-25 | (주) 시흥 | A Cover For Manhole |
| KR101036209B1 (en) * | 2011-04-18 | 2011-05-20 | 류순모 | An apparatus for opening and shutting the manhole for escaping the fire place in the high building |
-
1990
- 1990-04-19 JP JP4199290U patent/JPH041245U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009695A (en) * | 2002-07-24 | 2004-01-31 | 주식회사 삼영정화조 | A locking device of a manhole cover |
| KR100509961B1 (en) * | 2002-12-04 | 2005-08-25 | (주) 시흥 | A Cover For Manhole |
| KR101036209B1 (en) * | 2011-04-18 | 2011-05-20 | 류순모 | An apparatus for opening and shutting the manhole for escaping the fire place in the high building |