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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