JPH02149100U - - Google Patents
Info
- Publication number
- JPH02149100U JPH02149100U JP5700289U JP5700289U JPH02149100U JP H02149100 U JPH02149100 U JP H02149100U JP 5700289 U JP5700289 U JP 5700289U JP 5700289 U JP5700289 U JP 5700289U JP H02149100 U JPH02149100 U JP H02149100U
- Authority
- JP
- Japan
- Prior art keywords
- tongue pieces
- joint member
- horizontal
- pair
- width
- 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)
Description
第１図は従来技術の概略を示す正面図、第２図
及び第３図は本考案の実施例の傾斜図、第４図は
、継手部材の展開図である。
図中、１，３０……横桟、２，２０……リンク
、３……連結ピン、１０……フラツプ、１０′…
…天板、１１……舌片、１２……ストツパ、１３
……端壁、１４……側壁、１５……横孔、３１…
…天板、３２……四角な孔、３３……横孔、Ｂ…
…ブランク、Ｊ……継手部材、Ｐ……連結ピンで
ある。
FIG. 1 is a front view schematically showing the prior art, FIGS. 2 and 3 are oblique views of an embodiment of the present invention, and FIG. 4 is a developed view of a joint member. In the figure, 1, 30... horizontal bar, 2, 20... link, 3... connecting pin, 10... flap, 10'...
...Top plate, 11... Tongue piece, 12... Stopper, 13
...End wall, 14...Side wall, 15...Horizontal hole, 31...
...Top plate, 32...Square hole, 33...Horizontal hole, B...
...Blank, J...Joint member, P...Connecting pin.
Claims (1)
舌片の間に挿入してピンで連結し、リンク上端を
上段の横桟両端に挿入してピンで連結した折りた
たみ自在の避難梯子において、金属板をプレス加
工して作つた断面型部材の上面に曲げ加工によ
り一対の舌片を突設して継手部材を構成し、舌片
の位置に対して側壁横孔を横にずらし、上記一対
の舌片間の最小間隙を規制するストツパを継手部
材の天板に一体に設け、継手部材の巾を横桟の内
巾より若干小さくし、さらに舌片の巾を横桟上面
両端に設けた四角な孔の長さより若干小さくした
ことを特徴とする折りたたみ自在な避難梯子。 A collapsible evacuation ladder in which the lower ends of the links are inserted between a pair of tongue pieces protruding from both ends of the upper surface of the horizontal beam and connected with pins, and the upper ends of the links are inserted into both ends of the upper horizontal beam and connected with pins, A pair of tongue pieces are formed by bending on the top surface of a cross-sectional member made by pressing a metal plate to form a joint member, and the side wall horizontal holes are laterally shifted relative to the position of the tongue pieces, and the above-mentioned pair A stopper that regulates the minimum gap between the tongue pieces is integrally provided on the top plate of the joint member, the width of the joint member is made slightly smaller than the inner width of the horizontal crosspiece, and the width of the tongue pieces is provided at both ends of the top surface of the horizontal crosspiece. A foldable evacuation ladder characterized by being slightly smaller than the length of the square hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5700289U JPH02149100U (en) | 1989-05-19 | 1989-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5700289U JPH02149100U (en) | 1989-05-19 | 1989-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149100U true JPH02149100U (en) | 1990-12-18 |
Family
ID=31581326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5700289U Pending JPH02149100U (en) | 1989-05-19 | 1989-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149100U (en) |
-
1989
- 1989-05-19 JP JP5700289U patent/JPH02149100U/ja active Pending
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