JPS5872398U - Manhole access ladder - Google Patents
Manhole access ladderInfo
- Publication number
- JPS5872398U JPS5872398U JP16862581U JP16862581U JPS5872398U JP S5872398 U JPS5872398 U JP S5872398U JP 16862581 U JP16862581 U JP 16862581U JP 16862581 U JP16862581 U JP 16862581U JP S5872398 U JPS5872398 U JP S5872398U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal bar
- ladder
- frame body
- lower horizontal
- upper horizontal
- 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
- Ladders (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
別紙図面は本考案の一実施例を示すもので、第１図は正
面図、第２図は平面図、第３図は右側面図、第４図は結
合部分の部分的拡大図である。
図中の符号１，２は脚、３，４は主材、５は上部横棒、
６は下部横棒、７は枠体、８はフック部、９は吊り環、
１０は支柱、１１はステップ、１２は梯子体、１３は結
合部、１４は高さ調節ネジ、Ｍはマンホール、Ｓはステ
ップである。The attached drawings show an embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a plan view, FIG. 3 is a right side view, and FIG. 4 is a partially enlarged view of a connecting portion. In the figure, 1 and 2 are the legs, 3 and 4 are the main members, 5 is the upper horizontal bar,
6 is the lower horizontal bar, 7 is the frame body, 8 is the hook part, 9 is the hanging ring,
10 is a column, 11 is a step, 12 is a ladder body, 13 is a connecting portion, 14 is a height adjustment screw, M is a manhole, and S is a step.
Claims (1)
４の間隔を保持するための上部横棒５と下部横棒６を設
け、前記上部横棒５に吊り環９を設けて枠体７を形成し
、上部を折曲してフック部８を設けた２本の支柱１０．
１０を平行にして支柱１０．１０を複数のステップ１１
で結合して梯子体１２を形成し、該梯子体１２の支柱１
０゜１０にそれぞれ前記枠体７の下部横棒６に嵌合する
結合部１３を設け、梯子体１２のフック部８を枠体７の
上部横棒５に引っ掛け、梯子体１２の結合部１３を枠体
７の下部横棒６に嵌合して両者を着脱自在に結合して成
る構造を特徴とするマンホール出入用梯子。The main material 3. is placed on top of the two legs 1 and 2 placed on both sides.
An upper horizontal bar 5 and a lower horizontal bar 6 are provided for maintaining the interval of 4, a hanging ring 9 is provided on the upper horizontal bar 5 to form a frame 7, and a hook portion 8 is provided by bending the upper part. Two pillars10.
10 in parallel to support 10.10 in multiple steps 11
to form the ladder body 12, and the support 1 of the ladder body 12
Connecting portions 13 that fit into the lower horizontal bars 6 of the frame body 7 are provided at 0° 10, respectively, and the hook portions 8 of the ladder body 12 are hooked onto the upper horizontal bars 5 of the frame body 7, and the connecting portions 13 of the ladder body 12 are hooked onto the upper horizontal bars 5 of the frame body 7. This manhole access ladder is characterized by a structure in which the lower horizontal bar 6 of the frame body 7 is fitted into the lower horizontal bar 6 and the two are removably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16862581U JPS5872398U (en) | 1981-11-11 | 1981-11-11 | Manhole access ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16862581U JPS5872398U (en) | 1981-11-11 | 1981-11-11 | Manhole access ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5872398U true JPS5872398U (en) | 1983-05-16 |
Family
ID=29960663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16862581U Pending JPS5872398U (en) | 1981-11-11 | 1981-11-11 | Manhole access ladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872398U (en) |
-
1981
- 1981-11-11 JP JP16862581U patent/JPS5872398U/en active Pending
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