JPH0417438U - - Google Patents
Info
- Publication number
- JPH0417438U JPH0417438U JP5909290U JP5909290U JPH0417438U JP H0417438 U JPH0417438 U JP H0417438U JP 5909290 U JP5909290 U JP 5909290U JP 5909290 U JP5909290 U JP 5909290U JP H0417438 U JPH0417438 U JP H0417438U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- entrance
- exit
- handrail
- base
- 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図はこの考案の一実施例のマンホール用簡
易手摺りをマンホールの出入口に取付けた状態の
外観斜視図、第２図のＡはこのマンホール用簡易
手摺りの側面図、Ｂは同正面図、Ｃは同平面図、
第３図はこの考案のマンホール用簡易手摺りをマ
ンホールの出入口に取付けて作業者が実際に使用
している説明図、第４図は作業者が従来のマンホ
ールへ出入する説明図である。
１……マンホール用簡易手摺り、１ａ１，１ａ
２……手摺部、１ｂ……底板、１ｃ１，１ｃ２…
…押板、１ｄ１，１ｄ２……支板、１ｅ１，１ｅ
２……脚部、２ａ，２ｂ……蝶ねじ、２ａ′，２
ｂ′……六角ナツト、３……マンホールの蓋受部
、４……溝、５……ステツプ、６……マンホール
用梯子。
Fig. 1 is an external perspective view of a simple handrail for a manhole according to an embodiment of this invention installed at the entrance of a manhole, A in Fig. 2 is a side view of this simple handrail for a manhole, and B is a front view of the same. , C is the same plan view,
FIG. 3 is an explanatory diagram of a worker actually using the simple manhole handrail of this invention attached to the entrance/exit of a manhole, and FIG. 4 is an explanatory diagram of a conventional manhole entrance/exit by a worker. 1...Simple handrail for manhole, 1a 1 , 1a
2 ...Handrail part, 1b...Bottom plate, 1c 1 , 1c 2 ...
...Push plate, 1d 1 , 1d 2 ...Support plate, 1e 1 , 1e
2 ...Legs, 2a, 2b...Thumb screws, 2a', 2
b'... Hexagonal nut, 3... Manhole cover holder, 4... Groove, 5... Step, 6... Manhole ladder.
Claims (1)
あつて、マンホールの出入口周縁に固定／取外し
自在の基部と、この基部に立設された手摺りと、
前記基部をマンホールの出入口周縁に取外し可能
に固定する固定機構とで構成されたことを特徴と
するマンホール用簡易手摺り。 A handrail erected around the entrance/exit of a manhole, the base being fixed/removable to the periphery of the entrance/exit of the manhole, and the handrail erected at the base;
A simple handrail for a manhole, comprising a fixing mechanism that removably fixes the base to the periphery of the entrance/exit of the manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5909290U JPH0417438U (en) | 1990-06-04 | 1990-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5909290U JPH0417438U (en) | 1990-06-04 | 1990-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417438U true JPH0417438U (en) | 1992-02-13 |
Family
ID=31585292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5909290U Pending JPH0417438U (en) | 1990-06-04 | 1990-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567643U (en) * | 1991-12-17 | 1993-09-07 | 日之出水道機器株式会社 | Ladder for underground structure |
-
1990
- 1990-06-04 JP JP5909290U patent/JPH0417438U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567643U (en) * | 1991-12-17 | 1993-09-07 | 日之出水道機器株式会社 | Ladder for underground structure |