JPH01105199U - - Google Patents
Info
- Publication number
- JPH01105199U JPH01105199U JP20032187U JP20032187U JPH01105199U JP H01105199 U JPH01105199 U JP H01105199U JP 20032187 U JP20032187 U JP 20032187U JP 20032187 U JP20032187 U JP 20032187U JP H01105199 U JPH01105199 U JP H01105199U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- evacuation
- spring
- lowest point
- prevents
- 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図は本考案の一実施例にかかる避難梯子の
折りたたんだ状態を示す正面図である。第２図は
避難梯子の最下点迄降下した状態を示す正面図及
び側面図である。第３図は避難梯子降下時、最下
点到達時においてスプリングの収縮を防止するロ
ツク機構図である。
符号の説明、１…梯子、２…梯子収納解除レバ
ー、３…梯子取付けスラブブラケツト、４…サイ
ドフレーム、５…スプリング、６…ガイド、７…
切缺き、８…タイロツド、９…梯子ふみ段、１０
…梯子収納ハツチ、１１…コンクリートスラブ。
FIG. 1 is a front view showing an evacuation ladder according to an embodiment of the present invention in a folded state. FIG. 2 is a front view and a side view showing the evacuation ladder lowered to its lowest point. FIG. 3 is a diagram of a lock mechanism that prevents the spring from contracting when the evacuation ladder reaches its lowest point when descending. Explanation of symbols, 1...Ladder, 2...Ladder storage release lever, 3...Ladder mounting slab bracket, 4...Side frame, 5...Spring, 6...Guide, 7...
Cut out, 8... Tie rod, 9... Ladder foot step, 10
...Ladder storage hatch, 11...Concrete slab.
Claims (1)
子のサイドフレームに梯子降下時、最下点到達時
の衝撃を緩和するスプリングを１個もしくは、複
数個取り付けると共に、該スプリングの収縮力に
よる梯子のはね上りを防止するロツク装置を設け
たことを特徴とする避難梯子。 In a hanging folding evacuation ladder, one or more springs are attached to the side frame of the ladder to cushion the impact when the ladder descends and reaches the lowest point, and the ladder is prevented from rising due to the contraction force of the spring. An evacuation ladder characterized by being equipped with a locking device that prevents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20032187U JPH01105199U (en) | 1987-12-31 | 1987-12-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20032187U JPH01105199U (en) | 1987-12-31 | 1987-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105199U true JPH01105199U (en) | 1989-07-14 |
Family
ID=31490734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20032187U Pending JPH01105199U (en) | 1987-12-31 | 1987-12-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105199U (en) |
-
1987
- 1987-12-31 JP JP20032187U patent/JPH01105199U/ja active Pending
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