JPS6294133U - - Google Patents
Info
- Publication number
- JPS6294133U JPS6294133U JP18576185U JP18576185U JPS6294133U JP S6294133 U JPS6294133 U JP S6294133U JP 18576185 U JP18576185 U JP 18576185U JP 18576185 U JP18576185 U JP 18576185U JP S6294133 U JPS6294133 U JP S6294133U
- Authority
- JP
- Japan
- Prior art keywords
- safety fence
- raised
- support rod
- manhole
- stopper means
- 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
Landscapes
- Fencing (AREA)
Description
第１図は本考案の１実施例の正面断面図、第２
図はその拡大平面図、第３図は支持杆の下端部の
拡大正面図、第４図はその―線截断面図、第
５図はストツパー手段の拡大断面図、第６図及び
第７図は従来例の斜視図である。
１……支持杆、２……マンホール、５……安全
柵、６……はしご、６ａ……側杆、１２……スト
ツパー手段。
Fig. 1 is a front sectional view of one embodiment of the present invention;
The figure is an enlarged plan view, FIG. 3 is an enlarged front view of the lower end of the support rod, FIG. 4 is a cross-sectional view cut along the line, FIG. 5 is an enlarged sectional view of the stopper means, and FIGS. 6 and 7. is a perspective view of a conventional example. 1... Support rod, 2... Manhole, 5... Safety fence, 6... Ladder, 6a... Side bar, 12... Stopper means.
Claims (1)
ごの両側杆に安全柵をこれから下方に突出する支
持杆において昇降自在に係合すると共に、該安全
柵を上昇したときその上昇位置に該安全柵を保持
するストツパー手段を前記支持杆に設けたことを
特徴とするマンホールの安全柵装置。 The safety fence is engaged with both side rods of a ladder attached to the inner circumferential surface of the manhole so that the safety fence can be raised and lowered by supporting rods that protrude downward from the support rod, and the safety fence is held in the raised position when the safety fence is raised. A safety fence device for a manhole, characterized in that a stopper means is provided on the support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18576185U JPS6294133U (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18576185U JPS6294133U (en) | 1985-12-02 | 1985-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6294133U true JPS6294133U (en) | 1987-06-16 |
Family
ID=31134690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18576185U Pending JPS6294133U (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6294133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100411107B1 (en) * | 2001-07-12 | 2003-12-12 | 현대자동차주식회사 | Safety fence |
| JP2017218726A (en) * | 2016-06-03 | 2017-12-14 | 前田建設工業株式会社 | Manhole opening cover means |
-
1985
- 1985-12-02 JP JP18576185U patent/JPS6294133U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100411107B1 (en) * | 2001-07-12 | 2003-12-12 | 현대자동차주식회사 | Safety fence |
| JP2017218726A (en) * | 2016-06-03 | 2017-12-14 | 前田建設工業株式会社 | Manhole opening cover means |