JPH03123100U - - Google Patents
Info
- Publication number
- JPH03123100U JPH03123100U JP3234790U JP3234790U JPH03123100U JP H03123100 U JPH03123100 U JP H03123100U JP 3234790 U JP3234790 U JP 3234790U JP 3234790 U JP3234790 U JP 3234790U JP H03123100 U JPH03123100 U JP H03123100U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- vertical beam
- beams
- ladder
- vertical
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ladders (AREA)
Description
第１図及び第２図は本考案に係る固定型梯子の
要部の斜視図と同梯子の支持部を示す断面図、第
３図は同梯子の固定部の斜視図、第４図は同梯子
の全体を示す正面図、第５図は同梯子の使用態様
を示す側面図、第６図は同梯子を気中終端架台に
適用した例を示す構成図、第７図は同梯子を洞道
に適用した例を示す断面図、第８図及び第９図は
気中終端架台及び洞道における従来の昇降方式を
それぞれ示す構成図と断面図である。
１……支柱、３……気中終端部、２０……固定
型梯子、２１，２２……縦桁、２３……横桁、２
４……補助縦桁、２４ａ……当接部、２７……支
持部、３０，３０′……固定部。
1 and 2 are a perspective view of the main parts of a fixed ladder according to the present invention and a sectional view showing the supporting part of the ladder, FIG. 3 is a perspective view of the fixed part of the ladder, and FIG. 4 is the same. Fig. 5 is a front view showing the entire ladder, Fig. 5 is a side view showing how the ladder is used, Fig. 6 is a configuration diagram showing an example of applying the ladder to an aerial termination frame, and Fig. 7 is a diagram showing how the ladder is used in a cave. FIGS. 8 and 9 are a sectional view showing an example applied to a road, and FIGS. 8 and 9 are a configuration diagram and a sectional view, respectively, showing a conventional lifting system for an air terminal frame and a tunnel. DESCRIPTION OF SYMBOLS 1...Strut, 3...Aerial end, 20...Fixed ladder, 21, 22...Longitudinal girder, 23...Horizontal girder, 2
4...Auxiliary longitudinal girder, 24a...Abutting part, 27...Supporting part, 30, 30'...Fixing part.
Claims (1)
固定型梯子において、一方の縦桁にその長さ方向
に沿つて突出可能に取付けられる補助縦桁と、前
記一方の縦桁に設けられて前記補助縦桁を突出状
態で支持する支持部と、前記縦桁を所定箇所に固
定する固定部とを含むことを特徴とする固定型梯
子。 In a fixed ladder in which a plurality of horizontal beams are provided between a pair of vertical beams, an auxiliary vertical beam is attached to one of the vertical beams so as to be able to protrude along its length, and an auxiliary vertical beam is installed on the one vertical beam. What is claimed is: 1. A fixed ladder comprising: a supporting part that supports the auxiliary longitudinal girder in a protruding state; and a fixing part that fixes the longitudinal girder at a predetermined location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990032347U JPH0732879Y2 (en) | 1990-03-28 | 1990-03-28 | Fixed ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990032347U JPH0732879Y2 (en) | 1990-03-28 | 1990-03-28 | Fixed ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03123100U true JPH03123100U (en) | 1991-12-16 |
| JPH0732879Y2 JPH0732879Y2 (en) | 1995-07-31 |
Family
ID=31535308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990032347U Expired - Lifetime JPH0732879Y2 (en) | 1990-03-28 | 1990-03-28 | Fixed ladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732879Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6376200U (en) * | 1986-11-06 | 1988-05-20 |
-
1990
- 1990-03-28 JP JP1990032347U patent/JPH0732879Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6376200U (en) * | 1986-11-06 | 1988-05-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0732879Y2 (en) | 1995-07-31 |
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