JPH02149099U - - Google Patents
Info
- Publication number
- JPH02149099U JPH02149099U JP5700189U JP5700189U JPH02149099U JP H02149099 U JPH02149099 U JP H02149099U JP 5700189 U JP5700189 U JP 5700189U JP 5700189 U JP5700189 U JP 5700189U JP H02149099 U JPH02149099 U JP H02149099U
- Authority
- JP
- Japan
- Prior art keywords
- link
- mold
- pin
- plate
- insertion hole
- 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図は従来技術の正面図、第２図は第１図の
一部断面図であり、第３図は本考案の一実施例の
分解斜視図、第４図は同例の組立て図である。
図中、１……横桟、３，４……リンク、５……
傾斜長孔、８……連結ピン、９……支え、１０…
…板状リンク、１１……長孔、２……型突片、
１２′……アーム、２０……型リンク、２１…
…ウエブ、２２……凹状カム面、２３，２４……
孔、３０……横桟、３１……天板、３２……突起
、３３，３４……孔、４０，４１，４２……ピン
である。
Fig. 1 is a front view of the prior art, Fig. 2 is a partial sectional view of Fig. 1, Fig. 3 is an exploded perspective view of an embodiment of the present invention, and Fig. 4 is an assembled view of the same example. be. In the figure, 1...Horizontal bar, 3, 4...Link, 5...
Slanted long hole, 8...Connection pin, 9...Support, 10...
...Plate link, 11...Long hole, 2...Mold protrusion,
12'...Arm, 20...Type link, 21...
... Web, 22 ... Concave cam surface, 23, 24 ...
Hole, 30... horizontal bar, 31... top plate, 32... protrusion, 33, 34... hole, 40, 41, 42... pin.
Claims (1)
エブを内側にした前面型リンクとし、下方のリ
ンクを板状リンクとして両リンクをピンによつて
連結し、下方の板状リンクを横桟両端上面に突設
した突起に連結ピンによつて連結し、上方の型
リンクを上段の横桟の両端部に挿入してピンによ
つて連結した折りたたみ自在の避難梯子において
、板状リンクの型リンクとの連結部に上方に延
びる型突片を突設し、板状リンク上端のピン挿
入孔を縦長の長孔とし、型リンク下端のピン挿
入孔を丸孔とし、型リンクの内方側面に凹状カ
ム面を設けて、このカム面に上記型突片の上端
を当接させた、折りたたみ自在の避難梯子。 The horizontal crosspiece is a cross-sectional member, the upper link is a front type link with the web inside, the lower link is a plate-like link, and both links are connected by a pin, and the lower plate-like link is connected to both ends of the horizontal crosspiece. In a collapsible evacuation ladder that is connected to a protrusion protruding from the top surface with a connecting pin, and the upper molded link is inserted into both ends of the upper horizontal rung and connected with the pin, the molded link of the plate-shaped link is used. A mold protrusion extending upward is provided protrudingly at the connection part with the mold link, the pin insertion hole at the upper end of the plate link is a vertically elongated hole, the pin insertion hole at the lower end of the mold link is a round hole, and the pin insertion hole at the lower end of the mold link is a round hole. A collapsible evacuation ladder which is provided with a concave cam surface, and the upper end of the mold protrusion is brought into contact with the cam surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5700189U JPH02149099U (en) | 1989-05-19 | 1989-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5700189U JPH02149099U (en) | 1989-05-19 | 1989-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149099U true JPH02149099U (en) | 1990-12-18 |
Family
ID=31581324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5700189U Pending JPH02149099U (en) | 1989-05-19 | 1989-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149099U (en) |
-
1989
- 1989-05-19 JP JP5700189U patent/JPH02149099U/ja active Pending